Chapter 1 Ch1
User Manual: Chapter 1 IronHorse AC Motors Manual - AutomationDirect
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Page 1–1IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
GettinG Started 1
1
1
Chapter
Chapter
Chapter
in tHis CHapter...
Manual Overview � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–2
Overview of this Publication � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–2
Who Should Read This Manual� � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–2
Technical Support � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–2
Special Symbols� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–2
Available Models � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–3
MTF Farm-Duty T-Frame Single-Phase Motors Features and Specifications� � � � 1–3
MTR/MTR2 Rolled-Steel 56C/56HC-Frame Single-Phase Motors
– Features and Specifications � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–4
MTR and MTRP Rolled-Steel 56C/56HC-Frame Three-Phase Motors
Features and Specifications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–6
MTSS Stainless-Steel 56C-Frame Three-Phase Motors Features
and Specifications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–9
MTCP Premium-Efficiency Cast-Iron Three-Phase Motors Features
and Specifications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–11
MTC EPAct Cast-Iron Three-Phase Motors Features and Specifications � � � � � � 1–24
Receiving and Inspection � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–32
Unpacking � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–32
IronHorse® Part Number Explanation � � � � � � � � � � � � � � � � � � � � � � � � 1–32
Reshipping � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–33
Long Term Storage � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–33
Warranty � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 1–33
Page 1–2 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Manual Overview
The IronHorse® General Purpose AC Motor User Manual describes the installation, maintenance
and use of all IronHorse General Purpose Motors.
This manual contains important information for those who will install, maintain, use and/or resell
any of the IronHorse motors.
By Telephone: 770-844-4200 (Mon.-Fri., 9:00 a.m.-6:00 p.m. E.T.)
On the Web: support.automationdirect.com
Our technical support group is glad to work with you in answering your questions. If you cannot
find the solution to your particular application, or, if for any reason you need additional technical
assistance, please call technical support at 770-844-4200. We are available weekdays from 9:00
a.m. to 6:00 p.m. Eastern Time.
We also encourage you to visit our web site where you can find technical and non-technical
information about our products and our company. Visit us at www.automationdirect.com.
NOTE: When you see the “notepad” icon in the left-hand margin, the
paragraph to its immediate right will be a special note.
WARNING: WheN you see the “exclAmAtIoN mARk” IcoN IN the left-hANd mARGIN, the
pARAGRAph to Its ImmedIAte RIGht WIll be A WARNING. thIs INfoRmAtIoN could pReveNt
INjuRy, loss of pRopeRty, oR eveN deAth (IN extReme cAses).
Chapter 1: Getting Started
Page 1–3IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Available Models
IronHorse® single-phase farm-duty motors are available
from 2hp to 5hp. All models have a TEFC housing (steel
frame with iron end bells) that is fully gasketed for use in
dirty environments. All motors are NEMA L design.
All models include a class-10 manual-reset locked-rotor
thermal protector (motor thermal overload protection must
be provided separately).
We RecommeNd dIscoNNectING poWeR to the motoR
befoRe ResetING the theRmAl pRotectoR. do Not
Reset moRe thAN tWIce IN successIoN. the motoR
must cool to 40°c (104°f) befoRe A thIRd Reset.
Motor Specifications – Single-Phase Farm-Duty Motors (60Hz)
2
1800 230VAC
±10%
1.15 @ 230VAC
1.0 @ 208VAC L
182T
TEFC
IP55
8.5 74
3 184T 12.9 85
5 184T 21.2 105
* Operate on 230VAC +/- 10% (1.15 @ 230VAC; 1.0 S.F. @ 208V), single-phase power only.
Performance Data – Single-Phase Farm-Duty Motors (60Hz)
2
1725
2.7 8.5 70.0 6.04 20.54 15.10 82.5 0.92 0.35
3 3.9 12.9 95.0 9.11 32.80 23.69 81.5 0.93 0.60
5 6.6 21.2 160.0 15.30 58.14 36.72 81.0 0.90 0.81
Page 1–4 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
IronHorse® single-phase 56C/56HC-frame* motors are
available from 1/3 hp to 2 hp. All models have a TEFC
rolled steel frame, cast aluminum end bell and removable
mounting bases.
Motor Specifications – Single-Phase 56C/56HC-Frame Motors (60Hz except as indicated)
1/3
1800 115/208-230 1.15 N
56C
flange
mount
IP43
TEFC
rolled steel
frame
cast AL end
bell
F1 conduit
box location
6.6 / 3.3 26
1/2 8.8 / 4.4 28
3/4 11.0 / 5.5 32
1 13.6 / 6.8 38
1-1/2 15.2 / 7.6 45
MTR2-1P5-1AB18 1-1/2
(1) 1800
(1500)
115/230
(110/220)
1.15
(1) L 56HC
14.5 / 7.3
(14.0 / 7.0) 37
MTR2-002-1AB18 2
(1-1/2)
19.6 / 9.8
(23.4 / 11.7) 44
1/3
(1/4)
3600
(3000)
115/230
(110/220)
1.15
(1) N
56C
IP43
TEFC
rolled steel
frame
cast AL end
bell
F1 conduit
box location
5.4 / 2.7
(5.4 / 2.7) 21
1/2
(1/3)
6.5 / 3.3
(6.4 / 3.2) 23
3/4
(1/2)
9.2 / 4.6
(9.2 / 4.6) 27
1
(3/4)
11.5 / 5.8
(10.2 / 5.1) 30
MTR-1P5-1AB36 1-1/2 3600 115/208-230 1.15 N 14.2 / 7.1 37
1-1/2
(1) 3600
(3000)
115/230
(110/220)
1.15
(1) L
13.0 / 6.5
(11.4 / 5.7) 31
2
(1-1/2)
17.0 / 8.5
(14.6 / 7.3) 37
Note: Please review the AutomationDirect Terms & Conditions for warranty and service on this product.
NOTE: *56HC are suitable for 56C C-face mounting or 56, 143T, or 145T
frame foot mounting dimensions.
Chapter 1: Getting Started
Page 1–5IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data – Single-Phase 56C/56HC-Frame Motors
(230V / 60Hz data except as indicated)
1/3
1725
2.2 6.6 / 3.3 31 / 18 1.02 3.06 2.81 56.0 0.62 0.075
1/2 2.93 8.8 / 4.4 37 / 21 1.52 4.56 4.18 57.0 0.63 0.080
3/4 3.67 11.0 / 5.5 55 / 32 2.29 6.30 5.73 65.0 0.65 0.095
1 4.53 13.6 / 6.8 75 / 43 3.04 8.36 7.60 68.0 0.66 0.120
1-1/2 5.07 15.2 / 7.6 120 / 65 4.57 11.43 10.28 71.0 0.75 0.142
1-1/2
(1) 1725
(1425)
5.23 14.5 / 7.3 110 / 55 4.46 8.70 10.45 77.0 0.84 0.095
2
(1-1/2) 8.07 19.6 / 9.8 152 / 76 6.06 12.17 13.81 79.0 0.82 0.121
1/3
(1/4)
3450
(2850)
2.14 5.4 / 2.7 37 / 19 0.50 2.18 1.96 59.5 0.72 0.031
1/2
(1/3) 2.23 6.5 / 3.3 47 / 23 0.74 2.59 2.42 63.0 0.74 0.034
3/4
(1/2) 2.82 9.2 / 4.6 66 / 33 1.12 4.62 3.44 66.5 0.78 0.041
1
(3/4) 3.04 11.5 / 5.8 82 / 41 1.50 4.48 3.83 69.5 0.80 0.047
1-1/2 3450 3.0 14.2 / 7.1 116 / 58 2.2 7.5 5.4 72.0 0.9 0.03
1-1/2
(1) 3450
(2850)
3.90 13.0 / 6.5 109 / 55 2.21 3.22 5.08 77.0 0.94 0.047
2
(1-1/2) 4.51 17.0 / 8.5 131 / 65 3.02 4.45 6.82 79.5 0.94 0.060
Page 1–6 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
IronHorse® rolled steel 56C/56HC-frame* three-phase
motors are available from 1/3 hp to 3 hp. All models have
a TEFC frame, cast aluminum end bell and removable
mounting bases.
Motor Specifications – MTR/MTRP 3-Phase 56C/56HC-Frame Motors –
1800 & 3600 rpm
@
208-230/460 – 3-phase
1.15 B
56C
flange
mount
(MTRP
= 56HC)
TEFC
rolled
steel
frame
cast
aluminum
end bell
F1 conduit
box
location
1/3
1800
1.6 / 0.8 23
1/2 2.0 / 1.0 24
3/4 2.8 / 1.4 26
13.6 / 1.8 29
3.2 / 1.6 35
1-1/2 4.8 / 2.4 33
4.5 / 2.3 43
26.0 / 3.0 42
6.0 / 3.0 49
3600 RPM
1/3
3600
1.6 / 0.8 23
1/2 2.2 / 1.1 24
3/4 2.9 / 1.5 26
13.6 / 1.8 28
3.0 / 1.50 23
1-1/2 4.6 / 2.3 34
4.0 / 2.0 31
26.0 / 3.0 43
5.2 / 2.6 33
3 7.4 / 3.7 39
Note: Please review the AutomationDirect Terms & Conditions for warranty and service on this product.
NOTE: *56HC are suitable for 56, 143T, or 145T frame foot mounting
dimensions.
Chapter 1: Getting Started
Page 1–7IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data – MTR Three-Phase 56C/56HC-Frame Motors – 1800 rpm
(460V data except as indicated)
1/3
1725 863 345
2700
5400
0.53 / 0.27 1.6 / 0.8 8 / 4
1/2 0.67 / 0.33 2.0 / 1.0 12 / 6
3/4 0.93 / 0.47 2.8 / 1.4 18 / 9
11.2 / 0.6 3.6 / 1.8 24 / 12
1760 440 176 2700 2.2 / 1.1 3.2 / 1.6 31 / 16
1-1/2 1725 863 345 5400 1.5 / 0.8 4.8 / 2.4 36 / 18
1760 440 176 2700 2.8 / 1.4 4.5 / 2.3 47 / 24
21725 863 345 5400 2.0 / 1.0 6.0 / 3.0 48 / 24
1760 440 176 2700 3.6 / 1.8 6.0 / 3.0 61 / 31
1/3
n/a
1.02 2.55 2.81
n/a
67.0 0.70 0.058
1/2 1.52 3.80 4.18 69.0 0.72 0.068
3/4 2.29 5.73 6.30 71.0 0.74 0.075
13.02 7.55 8.31 73.0 0.76 0.086
3 12.35 14.51 85.0 0.69 0.107
1-1/2 4.57 10.28 11.43 75.0 0.78 0.108
4.4 21.68 21.76 86.5 0.72 0.135
26.09 13.70 15.23 77.0 0.80 0.143
6.03 27.3 27.46 86.5 0.74 0.158
* Maximum Constant HP rpm is for direct-coupled loads.
Page 1–8 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data – Three-Phase 56C/56HC-Frame Motors – 3600 rpm
(460V data except as indicated)
1/3 3450 1725 690
5400 5400
1.2 / 0.59 1.6 / 0.8 9 / 5
1/2 3450 1725 690 1.4 / 0.7 2.2 / 1.1 14 / 7
3/4 3450 1725 690 1.5 / 0.75 2.9 / 1.5 17 / 8.9
13450 1725 690 1.7 / 0.85 3.6 / 1.8 25 / 13
3500 875 350 1.52 / 0.76 3.00 / 1.50 22 / 11
1-1/2 3450 1725 690 1.8 / 0.9 4.6 / 2.3 29 / 17
3500 875 350 1.8 / 0.9 3.96 / 1.98 38 / 19
23450 1725 690 3.4 / 1.7 6.0 / 3.0 57 / 30
3500 875 350 2.28 / 1.14 5.22 / 2.61 53/27
33500 875 350 3.54 / 1.77 7.38 / 3.69 89 / 45
1/3
n/a
0.50 3.0 3.0
n/a
57.0 0.71 0.084
1/2 0.75 4.4 4.5 62.0 0.71 0.095
3/4 1.13 6.0 5.8 67.0 0.78 0.107
11.50 7.9 7.1 69.0 0.82 0.122
1.51 3.98 4.93 77 0.83 0.034
1-1/2 2.25 11.2 8.4 72.0 0.85 0.143
2.21 7.94 9.03 84.0 0.85 0.048
23.06 18.9 13.4 75.0 0.78 0.188
3.02 12.23 12.8 85.5 0.86 0.056
3 4.49 19.44 20.39 86.5 0.85 0.069
* Maximum Constant HP rpm is for direct-coupled loads.
Chapter 1: Getting Started
Page 1–9IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Stainless-Steel 56C-Frame ree-
Phase Motor with Round Body
Stainless-Steel 56C-Frame ree-
Phase Motor with Rigid Base
IronHorse stainless steel 56C-frame three-phase motors are available from 1/3 hp to 2 hp. All
models have TEFC frames and stainless steel end bells, and they are available with or without
rigid mounting bases.
Motor Specifications – MTSS 3-Phase 56C-Frame Motors – 1800 & 3600 rpm
208-230/460 – 3-phase
1.15 B
56C
flange
mount
TEFC
stainless steel
frame with
round body
F1 conduit box
location
1/3
1800
1.5-1.4 / 0.7 27
1/2 1.55-1.5 / 0.75 27
3/4 2.6-2.4 / 1.2 29
1 3.5-3.2 / 1.6 34
1-1/2 4.6-4.2 / 2.1 36
2 6.6-6.0 / 3.0 43
1/3
TEFC
stainless steel
frame with rigid
base
F1 conduit box
location
1.5-1.4 / 0.7 28
1/2 1.55-1.5 / 0.75 28
3/4 2.6-2.4 / 1.2 30
1 3.5-3.2 / 1.6 35
1-1/2 4.6-4.2 / 2.1 36
2 6.6-6.0 / 3.0 44
1/2
3600
1.99-1.8 / 0.9 29
3/4 2.4-2.3 / 1.15 31
1 3.3-3.0 / 1.5 31
1-1/2 4.2-4.0 / 2.0 36
2 5.0-4.8 / 2.4 43
Note: Please review the AutomationDirect Terms & Conditions for warranty and service on this product.
Page 1–10 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data
MTSS Three-Phase 56C-Frame Motors – 1800 rpm
(460V data except as indicated)
1725
900 360 2250 4500
0.29 4.2
1725 0.30 4.6
1725 0.44 7.3
1740 0.61 10.0
1740 0.70 13.8
1740 1.08 21.0
* Maximum Constant HP rpm is for direct-coupled loads.
1/3 1.0 2.9 3.9 82.5 0.71 0.078
1/2 1.5 3.8 5.2 82.5 0.76 0.078
3/4 2.2 5.0 7.0 82.5 0.78 0.081
1 3.0 7.2 9.9 84.0 0.78 0.090
1-1/2 4.4 10.3 14.5 84.0 0.83 0.087
2 5.9 13.9 18.9 84.0 0.83 0.101
Performance Data
MTSS Three-Phase 56C-Frame Motors – 3600 rpm
(460V data except as indicated)
3460
1800 720 4500 4500
0.36 6.0
3470 0.43 7.6
3470 0.58 10.0
3480 0.70 15.0
3480 0.85 18.0
* Maximum Constant HP rpm is for direct-coupled loads.
1/2 0.7 1.9 2.5 77.0 0.88 0.077
3/4 1.1 2.7 3.3 73.0 0.84 0.100
1 1.5 4.6 5.5 80.0 0.72 0.094
1-1/2 2.3 6.6 9.0 84.0 0.74 0.098
2 2.9 8.6 11.3 80.0 0.72 0.107
Chapter 1: Getting Started
Page 1–11IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Premium Eency
Cast-Iron T-Frame
Premium Eency
Cast-Iron TC-Frame
IronHorse cast-iron industrial-duty Premium Efficiency motors are available in
T-frame housings in speeds of 1200, 1800, and 3600 rpm, and in TC-frame housings in speeds of
1800 rpm. Optional C-face kits are available for IronHorse T-frame Premium Efficiency motors.
(Premium Efficiency C-face kits are NOT compatible with EPAct motors.) All models have a
TEFC frame and full length mounting feet.
Motor Specifications
Premium-Efficiency T & TC Frame Three-Phase Motors
60Hz / 1800 rpm (50Hz / 1500 rpm)
1143T
208-230/460 – 3-phase
(200/400 – 3-phase)
TEFC cast iron
1045 carbon steel
F1(F2)
2
1.15
(1.0)
3.22 / 1.61
(3.70 / 1.85)
41
143TC 45
1-1/2 145T 44.64 / 2.32
(5.34 / 2.67)
47
145TC 50
2145T 46.00 / 3.00
(6.90 / 3.50)
56
145TC 60
3182T 28.05 / 4.02
(9.26 / 4.63)
84
182TC 92
5184T 413.4 / 6.71
(15.4 / 7.71)
99
184TC 107
7-1/2 213T 218.7 / 9.34
(21.5 / 10.7)
150
213TC 154
1) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2
(as shown on dimensional diagram).
2) For warranty on motors 50 hp and above, motors must be inspected by an EASA motor repair or
service center. See AutomationDirect Terms & Conditions for details.
***** Table Continued Next Page (for 10–200 hp motors) *****
Page 1–12 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
***** Table Continued From Previous Page (for 1–7.5hp motors) *****
Motor Specifications
Premium-Efficiency T & TC Frame Three-Phase Motors
60Hz / 1800 rpm (50Hz / 1500 rpm)
10 215T
208-230/460 – 3-phase
(200/400 – 3-phase)
TEFC cast iron
1045 carbon steel
F1(F2)
4
1.15
(1.0)
24.9 / 12.5
(28.6 / 14.3)
186
215TC 190
15 254T 235.8 / 17.9
(41.2 / 20.6)
329
254TC 325
20 256T 447.9 / 24.0
(55.1 / 27.6)
390
256TC 370
25 284T 259.6 / 29.8
(68.5 / 34.3)
455
284TC 467
30 286T 470.0 / 35.0
(80.5 / 40.2)
488
286TC 497
40 324T 294.8 / 47.4
(109 / 54.5)
611
324TC 626
50 326T 4117 / 58.4
(134 / 67.2)
690
326TC 706
60 364T 2139 / 69.6
(160 / 80.1)
851
364TC 864
75 365T 4173 / 86.7
(199 / 99.7)
948
365TC 961
100 405T 4229 / 114
(263 / 132)
1199
405TC 1236
125 444T 2 285 / 143
(328 / 164) 1500
150 445T 4 342 / 171
(414 / 207) 1630
200 445/7T 4 453 / 227
(521 / 261) 2127
1) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2
(as shown on dimensional diagram).
2) For warranty on motors 50 hp and above, motors must be inspected by an EASA motor repair or service
center. See AutomationDirect Terms & Conditions for details.
Chapter 1: Getting Started
Page 1–13IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Motor Specifications
Premium Efficiency T-Frame Three-Phase Motors
60Hz / 1200 & 3600 rpm (50Hz / 1000 & 3000 rpm)
1 145T
208-230/460 – 3-phase
(200/400 – 3-phase)
TEFC cast iron
1045 carbon steel
F1(F2)
4
1.15
(1.0)
3.16 / 1.58
(3.63 / 1.82) 60
1-1/2 182T 2 4.46 / 2.23
(5.13 / 2.57) 104
2 184T 4 5.72 / 2.86
(6.58 / 3.29) 110
3 213T 2 8.48 / 4.24
(9.75 / 4.88) 160
5 215T 4 13.8 / 6.88
(15.8 / 7.91) 180
7-1/2 254T 2 20.9 / 10.4
(24.0 / 12.0) 325
10 256T 4 27.8 / 13.9
(32.0 / 16.0) 325
15 284T 2 40.3 / 20.2
(46.4 / 23.2) 420
20 286T 4 52.4 / 26.2
(60.2 / 30.1) 470
1-1/2 143T
208-230/460 – 3-phase
(200/400 – 3-phase)
TEFC cast iron
1045 carbon steel
F1(F2)
2
1.15
(1.0)
4.08 / 2.04
(4.69 / 2.35) 44
2 145T 4 5.40 / 2.70
(6.20 / 3.10) 53
3 182T 2 7.74 / 3.87
(8.90 / 4.45) 79
5 184T 4 12.6 / 6.30
(14.5 / 7.25) 92
7-1/2 213T 2 18.5 / 9.23
(21.2 / 10.6) 140
10 215T 4 24.4 / 12.2
(28.1 / 14.1) 161
15 254T 2 35.0 / 17.5
(40.3 / 20.1) 278
20 256T 4 46.4 / 23.2
(53.4 / 26.7) 306
1) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2
(as shown on dimensional diagram).
Page 1–14 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data @ 60Hz
Premium-Efficiency T & TC Frame Three-Phase Motors – 1800 rpm
(460 Volt except as indicated)
1
B
1750
450 180 2700
5400
86.3 0.690 0.089
1-1/2 1750 87.3 0.726 0.11
2 1750 87.3 0.725 0.13
3 1750 90.3 0.786 0.28
5 1750 90.3 0.786 0.33
7-1/2 1760 91.8 0.825 1.814
10 1750
4200
92.5 0.826 1.97
15 1750 92.5 0.890 3.33
20 1770 93.8 0.846 4.09
25 1770 93.6 0.860 7.01
30 1780 93.7 0.846 8.3
40 1780 94.4 0.850 9
50 1775 94.5 0.855 14.1
60 1788 95.0 0.850 16.27
75 1787 95.4 0.850 18.8
100 1790 95.4 0.860 45.5
125 1790 95.4 0.860 65.1
150 1790 95.8 0.860 69.26
200 1790 96.3 0.860 84.0
1) Maximum Constant HP RPM is for direct-coupled loads.
*** TABLE CONTINUED NEXT PAGE ***
Chapter 1: Getting Started
Page 1–15IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
***** Table Continued From Previous Page *****
Performance Data @ 60Hz
Premium-Efficiency T & TC Frame Three-Phase Motors – 1800 rpm
(460 Volt except as indicated)
1 2.3 / 1.1 3.2 / 1.6 30.0 / 15.0 3.0 9.0 11.4
1-1/2 3.1 / 1.6 4.6 / 2.3 40.0 / 20.0 4.5 9.0 14.0
2 3.6 / 1.8 6.0 / 3.0 50.0 / 25.0 6.0 17.4 19.2
3 4.1 / 2.1 8.1 / 4.0 64.0 / 32.0 9.0 20.7 25.2
5 6.2 / 3.1 13.4 / 6.7 92.0 / 46.0 15.0 34.5 43.5
7-1/2 8.4 / 4.2 18.7 / 9.3 127 / 63.5 22.4 44.8 69.4
10 10.5 / 5.3 24.9 / 12.5 163 / 81.5 30.0 61.5 93.0
15 15.4 / 7.7 35.8 / 17.9 232 / 116 45 92 126
20 17.1 / 8.6 47.9 / 24.0 290 / 145 59.4 118.8 166.3
25 24 / 12 59.6 / 29.8 365 / 182.5 74.2 155.8 185.5
30 27 / 13.5 70.0 / 35.0 435 / 217.5 88.6 203.8 248.1
40 29.6 / 14.8 94.8 / 47.4 580 / 290 118.1 248.0 271.6
50 36.2 / 18.1 116.8 / 58.4 725 / 362.5 148 326 414
60 45.6 / 22.8 139.3 / 69.6 870 / 435 179 376 519
75 58.4 / 29.2 173.4 / 86.7 1085 / 542.5 221 464 619
100 75 / 37.5 228.6 / 114.3 1450 / 725 293.2 645.0 703.7
125 94.5 / 47.3 285.2 / 142.6 1816 / 908 367 624 918
150 104.4 / 52.2 342 / 171 2170 / 1085 443 797 1108
200 133.3 / 66.6 453.2 / 226.6 2900 / 1450 587 1174 1644
*** TABLE CONTINUED NEXT PAGE ***
Page 1–16 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
***** Table Continued From Previous Page *****
Performance Data @ 60Hz
Premium-Efficiency T & TC Frame Three-Phase Motors
1800 rpm – (460 Volt except as indicated)
1 1.81
20 seconds
80°C [176°F]
1-1/2 2.80
2 2.80
3 1.60
5 2.00
7-1/2 1.54
10 1.31
15 1.22
20 1.70
25 1.67
30 1.10
40 1.11
50 0.78
60 0.66
75 0.69 13 seconds
100 0.56 20 seconds
125 0.56
150 0.53 18 seconds
200 0.52
Chapter 1: Getting Started
Page 1–17IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data @ 60Hz – Premium Efficiency T-Frame 3-Phase Motors
– 1200 rpm – (460 Volt except as indicated)
1
B
1162
300 120 1800 3600
1-1/2
1180
2
3
5
7-1/2
10
15
20
1 2.5 / 1.25 3.2 / 1.6 30 / 15 4.5 10.8 14.4
1-1/2 3.2 / 1.6 4.5 / 2.2 40 / 20 6.68 15.36 21.38
2 4.2 / 2.1 5.7 / 2.9 50.0 / 25.0 8.61 20.66 29.88
3 6.4 / 3.2 8.5 / 4.2 68.0 / 34.0 13.36 29.39 40.08
5 9.2 / 4.6 13.8 / 6.9 92.0 / 46.0 22.2 48.8 66.6
7-1/2 12.0 / 6.0 20.9 / 10.4 127 / 63.5 33.4 76.8 116.9
10 10.8 / 5.4 27.8 / 13.9 162 / 81 44.5 97.9 106.8
15 18.0 / 9.0 40.3 / 20.2 232 / 116 60.23 132.51 174.67
20 17.8 / 8.9 52.4 / 26.2 290 / 145 89.1 196.0 258.4
1
80°C
[176°F]
20
seconds
82.5 0.72 0.33 3.14
1-1/2 87.5 0.72 0.36 1.85
2 88.5 0.74 0.47 2.0
3 89.5 0.74 0.50 1.65
5 89.5 0.76 1.97 1.85
7-1/2 91.1 0.74 2.74 1.51
10 91.0 0.74 2.98 1.56
15 91.7 0.76 5.49 1.16
20 91.7 0.78 12.9 1.21
2) Maximum Constant HP RPM is for direct-coupled loads.
Page 1–18 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data @ 60Hz – Premium Efficiency T-Frame 3-Phase Motors
– 3600 rpm – (460 Volt except as indicated)
1-1/2
B
3570
900 360 5400 5400
2 3520
3 3520
5 3570
7-1/2 3520
10 3550
15 3550
20 3570
1-1/2 2.0 / 1.0 4.1 / 2.0 40.0 / 20.0 2.2 6.4 7.9
2 3.1 / 1.6 5.4 / 2.7 50.0 / 25.0 3.0 9.0 12.0
3 3.9 / 2.0 7.7 / 3.9 64.0 / 32.0 4.48 12.54 17.02
5 5.2 / 2.6 12.6 / 6.3 92.0 / 46.0 7.36 16.19 22.82
7-1/2 6.7 / 3.3 18.5 / 9.2 127 / 63.5 11.2 28.0 34.7
10 8.8 / 4.4 24.4 / 12.2 163 / 81.5 14.8 37.0 50.3
15 12 / 6 35.0 / 17.5 232 / 116 22.2 46.6 64.4
20 15 / 7.5 46.4 / 23.2 290 / 145 29.4 61.7 85.3
1-1/2
80°C
[176°F]
20
seconds
85.5 0.83 0.08 2.00
2 86.6 0.82 0.10 2.20
3 87.0 0.85 0.20 1.60
5 89.0 0.84 0.22 1.46
7-1/2 89.7 0.85 0.50 1.67
10 90.3 0.85 1.2 1.40
15 91.2 0.85 1.86 1.11
20 91.2 0.85 2.01 0.97
2) Maximum Constant HP RPM is for direct-coupled loads
Chapter 1: Getting Started
Page 1–19IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data @ 50Hz
Premium-Efficiency T & TC Frame Three-Phase Motors – 1500 rpm
(400 Volt except as indicated)
1
B
1453
450 180 2700
5400
86.3 0.690 0.089
1.5 1453 87.3 0.726 0.11
2 1453 87.3 0.725 0.13
3 1453 90.3 0.786 0.28
5 1453 90.3 0.786 0.33
7-1/2 1461 91.8 0.825 1.814
10 1453
4200
92.5 0.826 1.97
15 1453 92.5 0.890 3.33
20 1469 93.8 0.846 4.09
25 1469 93.6 0.860 7.01
30 1477 93.7 0.846 8.3
40 1477 94.4 0.850 9
50 1473 94.5 0.855 14.1
60 1484 95.0 0.850 16.27
75 1483 95.4 0.850 18.8
100 1486 95.4 0.860 45.5
125 1486 95.4 0.860 65.1
150 1486 95.8 0.860 69.26
200 1486 96.3 0.860 84.0
1) Maximum Constant HP RPM is for direct-coupled loads.
*** TABLE CONTINUED NEXT PAGE ***
Page 1–20 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
***** Table Continued From Previous Page *****
Performance Data @ 50Hz
Premium-Efficiency T & TC Frame Three-Phase Motors – 1500 rpm
(400 Volt except as indicated)
1 2.62 / 1.31 3.70 / 1.85 34.5 / 17.3 3.61 10.8 13.7
1-1/2 3.59 / 1.80 5.34 / 2.67 46.0 / 23.0 5.40 10.8 16.7
2 4.10 / 2.10 6.90 / 3.50 57.5 / 28.8 7.20 20.9 23.0
3 4.70 / 2.35 9.26 / 4.63 73.6 / 36.8 10.8 24.8 30.2
5 7.13 / 3.57 15.42 / 7.71 106 / 52.9 18.1 41.6 52.5
7-1/2 9.71 / 4.86 21.5 / 10.7 146 / 73.0 27.0 54.0 83.7
10 12.1 / 6.06 28.6 / 14.3 187 / 93.7 36.1 74.0 112
15 17.7 / 8.85 41.2 / 20.6 267 / 133 54.2 111 152
20 19.7 / 9.84 55.1 / 27.6 334 / 167 71.5 143 200
25 27.6 / 13.8 68.5 / 34.3 420 / 210 89.4 188 224
30 31.1 / 15.5 80.5 / 40.2 500 / 250 107 246 300
40 34.0 / 17.0 109 / 54.5 667 / 334 142 298 327
50 41.6 / 20.8 134 / 67.2 834 / 417 178 392 498
60 52.4 / 26.2 160 / 80.1 1001 / 500 212 445 615
75 67.2 / 33.6 199 / 99.7 1248 / 624 266 559 745
100 86.3 / 43.1 263 / 132 1668 / 834 353 777 847
125 109 / 54.4 328 / 164 2088 / 1044 442 751 1105
150 126 / 63.2 414 / 207 2627 / 1314 530 954 1325
200 153 / 77 521 / 261 3335 / 1668 707 1414 1980
*** TABLE CONTINUED NEXT PAGE ***
Chapter 1: Getting Started
Page 1–21IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
***** Table Continued From Previous Page *****
Performance Data @ 50Hz
Premium-Efficiency T & TC Frame Three-Phase Motors
1500 rpm – (400 Volt except as indicated)
1 1.81
20 seconds
80°C [176°F]
1-1/2 2.80
2 2.80
3 1.60
5 2.00
7-1/2 1.54
10 1.31
15 1.22
20 1.70
25 1.67
30 1.10
40 1.11
50 0.78
60 0.66
75 0.69 13 seconds
100 0.56 20 seconds
125 0.56
150 0.53 18 seconds
200 0.52
Page 1–22 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data @ 50Hz – Premium Efficiency T-Frame 3-Phase Motors
– 1000 rpm – (400 Volt except as indicated)
1
B
964
300 120 1800 3600
1-1/2
979
2
3
5
7-1/2
10
15
20
1 2.88 / 1.44 3.63 / 1.82 34.5 / 17.3 5.40 13.0 17.3
1-1/2 3.70 / 1.85 5.13 / 2.57 46.0 / 23.0 8.04 18.5 25.7
2 4.83 / 2.42 6.58 / 3.29 57.5 / 28.8 10.7 25.7 37.1
3 7.36 / 3.68 9.75 / 4.88 78.2 / 39.1 16.1 35.4 48.3
5 10.6 / 5.29 15.8 / 7.91 106 / 52.9 26.8 59.0 80.4
7-1/2 13.8 / 6.90 24.0 / 12.0 146 / 73.0 40.2 92.5 141
10 12.4 / 6.21 32.0 / 16.0 186 / 93.2 53.6 118 129
15 20.7 / 10.4 46.4 / 23.2 267 / 133 80.4 177 233
20 20.4 / 10.2 60.2 / 30.1 334 / 167 107 235 310
1
80°C
[176°F]
20
seconds
82.5 0.72 0.33 3.14
1-1/2 87.5 0.72 0.36 1.85
2 88.5 0.74 0.47 2.00
3 89.5 0.74 0.50 1.65
5 89.5 0.76 1.97 1.85
7-1/2 91.1 0.74 2.74 1.51
10 91.0 0.74 2.98 1.56
15 91.7 0.76 5.49 1.16
20 91.7 0.78 12.9 1.21
2) Maximum Constant HP RPM is for direct-coupled loads.
Chapter 1: Getting Started
Page 1–23IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data @ 50Hz – Premium Efficiency T-Frame 3-Phase Motors
– 3000 rpm – (400 Volt except as indicated)
1-1/2
B
2963
1800 720 5400 5400
2 2922
3 2922
5 2963
7-1/2 2922
10 2947
15 2947
20 2963
1-1/2 2.30 / 1.20 4.69 / 2.35 46.0 / 23.0 2.66 7.71 9.58
2 3.60 / 1.80 6.20 / 3.10 57.5 / 28.8 3.60 10.8 14.4
3 4.49 / 2.25 8.90 / 4.45 73.6 / 36.8 5.39 15.1 20.5
5 5.98 / 2.99 14.5 / 7.25 106 / 46.0 8.88 19.5 27.5
7-1/2 7.66 / 3.83 21.2 / 10.6 146 / 73.0 13.5 33.7 41.8
10 10.1 / 5.04 28.1 / 14.1 188 / 93.8 17.8 44.5 60.5
15 13.8 / 6.90 40.3 / 20.1 267 / 133 26.7 56.1 77.4
20 17.3 / 8.63 53.4 / 26.7 334 / 167 35.4 74.4 103
1-1/2
80°C
[176°F]
20
seconds
85.5 0.83 0.08 2.00
2 86.6 0.82 0.10 2.20
3 87.0 0.85 0.20 1.60
5 89.0 0.84 0.22 1.46
7-1/2 89.7 0.85 0.50 1.67
10 90.3 0.85 1.20 1.40
15 91.2 0.85 1.86 1.11
20 91.2 0.85 2.01 0.97
2) Maximum Constant HP RPM is for direct-coupled loads
Page 1–24 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
EPAct Cast-Iron T-Frame
EPAct Cast-Iron TC-Frame
IronHorse 1800 rpm T-frame cast-iron industrial duty EPAct motors are available from 1–300
hp, and TC-frame motors are available from 1–100 hp. Optional C-face kits are available for
IronHorse T-frame EPAct motors. (EPAct C-face kits are NOT compatible with Premium
Efficiency motors.) All models have a TEFC frame and full length mounting feet.
Motor Specifications – EPAct T & TC(1) Frame Three-Phase Motors – 1800 rpm
@
1143T
208-230/460 – 3-phase
TEFC cast iron
1045 CS
F1(F2)
2
1.15
3.0 / 1.5 58
143TC 61
1-1/2 145T 3 4.2 / 2.1 60
145TC 67
2145T 3 5.4 / 2.7 70
145TC 69
3182T 2 7.72 / 3.86 90
182TC 112
5184T 3 11.8 / 5.9 110
184TC 125
7-1/2 213T 2 18.6 / 9.3 160
213TC 170
1) TC-frame motors are T-frame motors with applicable C-face accessory kits installed.
2) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2.
(Refer to “Chapter 5: Reference” for further information regarding F1 and F2 mounting.)
3) For warranty on motors 50 hp and above, motors must be inspected by an EASA motor repair or
service center. See AutomationDirect Terms & Conditions for details.
*** TABLE CONTINUED ON NEXT PAGE ***
Chapter 1: Getting Started
Page 1–25IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
***** Table Continued From Previous Page (for 1–7.5hp motors) *****
Motor Specifications – EPAct T & TC(1) Frame Three-Phase Motors – 1800 rpm
@
10 215T
208-230/460 – 3-phase
TEFC cast iron
1045 CS
F1(F2) 3
1.15
24.8 / 12.4 179
215TC 198
15 254T F1(F2) 2 35.4 / 17.7 290
254TC 310
20 256T F1(F2) 3 47.6 / 23.8 326
256TC 360
25 284T F1 2 56.4 / 28.2 400
284TC 440
30 286T F1 3 67.2 / 33.6 451
286TC 470
40 324T F1 2 93.0 / 46.5 589
324TC 608
50 326T F1 3 114.6 / 57.3 640
326TC 652
60 364T F1 2 139.4 / 69.7 780
364TC 780
75 365T F1 3 172.8 / 86.4 870
365TC 837
100 405T F1 3 230 / 115 1350
405TC 1335
125 444T F1(F2) 2 274 / 137 1500
150 445T F1(F2) 3 326 / 163 1630
200 445/7T F1(F2) 3 446 / 223 1858
250 449T
460
4140
CS
F1 2 – / 282 2508
300 449T – / 334 2728
1) TC-frame motors are T-frame motors with applicable C-face accessory kits installed.
2) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2.
(Refer to “Chapter 5: Reference” for further information regarding F1 and F2 mounting.)
3) For warranty on motors 50 hp and above, motors must be inspected by an EASA motor repair or service
center. See AutomationDirect Terms & Conditions for details.
Page 1–26 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Motor Specifications – EPAct T-Frame Three-Phase Motors – 1200 & 3600 rpm
@
1 145T
208-230/460
3-phase
TEFC cast iron
1045 carbon steel
F1(F2)
4
1.15
3.2 / 1.6 62
1-1/2 182T 2 4.8 / 2.4 106
2 184T 4 6.1 / 3.1 119
3 213T 2 8.4 / 4.2 171
5 215T 4 13.6 / 6.8 189
7-1/2 254T 2 21.2 / 10.6 272
10 256T 4 28.0 / 14.0 307
1-1/2 143T
208-230/460
3-phase
TEFC cast iron
1045
carbon steel
F1(F2)
2
1.15
3.8 / 1.9 62
2 145T 4 5.0 / 2.5 66
3 182T 2 7.2 / 3.6 107
5 184T 4 11.3 / 5.7 112
7-1/2 213T 2 16.8 / 8.4 165
10 215T 4 22.4 / 11.2 185
2) F1(F2) indicates F1 conduit box mounting location, eld convertible to F2.
(Refer to “Chapter 5: Reference” for further information regarding F1 and F2 mounting.)
3) For warranty on motors 50 hp and above, motors must be inspected by an EASA motor repair or
service center. See AutomationDirect Terms & Conditions for details.
Chapter 1: Getting Started
Page 1–27IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data – EPAct T & TC(1) Frame Three-Phase Motors – 1800 rpm
(460 Volt except as indicated)
1
B
1760
900 360 2700
5400 82.5 0.71 0.068
1-1/2 1755 5400 84.0 0.74 0.083
2 1750 5400 84.0 0.77 0.09
3 1750 5400 87.5 0.81 0.22
5 1750 5400 87.5 0.84 0.285
7-1/2 1760 5400 89.5 0.81 0.602
10
A
1760 4200 89.5 0.83 0.742
15 1770 4200 91.0 0.83 1.71
20 1770 4200 91.0 0.84 2.18
25 1775 4200 92.4 0.87 3.3
30 1775 4200 92.4 0.86 3.76
40 1775 3600 93.0 0.86 5.84
50 1775 3600 93.0 0.86 6.34
60
B
1785 3600 93.6 0.85 11.4
75 1785 3600 94.1 0.84 12.7
100 1785 2800 94.5 0.87 28.5
125 1785 2800 94.5 0.86 38.9
150 1785 2800 95.0 0.87 47.2
200 1785 2800 95.0 0.87 62.3
250 1790 2800 95.9 0.87 86.0
300 1790 2800 95.7 0.88 105.0
1) TC-frame motors (MTC-xxx-xxxxCK) are T-frame motors with applicable C-face accessory kits installed.
2) Maximum Constant HP RPM is for direct-coupled loads.
*** TABLE CONTINUED NEXT PAGE ***
Page 1–28 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
***** Table Continued From Previous Page *****
Performance Data – EPAct T & TC(1) Frame 3-Phase Motors – 1800 rpm
(460 Volt except as indicated)
1 1.9 / 0.95 3.0 / 1.5 30.0 / 15.0 3.00 7.50 10.50
1-1/2 2.44 / 1.22 4.2 / 2.1 40.0 / 20.0 4.41 10.58 14.11
2 2.76 / 1.38 5.4 / 2.7 50.0 / 25.0 6.05 13.92 17.55
3 3.74 / 1.87 7.72 / 3.86 64.0 / 32.0 9.07 25.40 29.93
5 5.1 / 2.55 11.8 / 5.9 92.0 / 46.0 15.1 40.8 46.8
7-1/2 8.98 / 4.49 18.6 / 9.3 127 / 63.5 22.0 44.0 72.6
10 13.0 / 6.5 24.8 / 12.4 200 / 100 29.8 59.6 92.4
15 15.6 / 7.8 35.4 / 17.7 280 / 140 44.5 89.0 124.6
20 19.0 / 9.5 47.6 / 23.8 400 / 200 59.7 119.4 155.2
25 24.0 / 12.0 56.4 / 28.2 440 / 220 73.9 152.2 206.9
30 27.0 / 13.5 67.2 / 33.6 520 / 260 88.7 177.4 257.2
40 35.0 / 17.5 93.0 / 46.5 720 / 360 118 248 355
50 38.6 / 19.3 114.6 / 57.3 880 / 440 148 311 444
60 48.0 / 24.0 139.4 / 69.7 870 / 435 179 322 483
75 59.2 / 29.6 172.8 / 86.4 1086 / 543 221 398 530
100 72.0 / 36.0 230 / 115 1450 / 725 296 592 858
125 82.0 / 41.0 274 / 137 1815 / 908 355 604 888
150 97.6 / 48.8 326 / 163 2170 / 1085 433 779 1083
200 140 / 70.0 446 / 223 2900 / 1450 590 1180 1652
250 – / 85.6 – / 282 – / 2017 728 1660 2402
300 – / 96.6 – / 334 – / 2351 864 1953 2817
1) TC-frame motors (MTC-xxx-xxxxCK) are T-frame motors with applicable C-face accessory kits installed.
*** TABLE CONTINUED NEXT PAGE ***
Chapter 1: Getting Started
Page 1–29IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
*** TABLE CONTINUED FROM PREVIOUS PAGE ***
Performance Data
EPAct T & TC(1) Frame Three-Phase Motors
1800 rpm – (460 Volt except as indicated)
1 2.22
20 seconds
80° C (176°F)
1-1/2 2.50
2 2.78
3 2.78
5 2.78
7-1/2 2.22
10 2.20 13 seconds
15 1.67 20 seconds
20 1.67
25 1.38 16 seconds
30 1.38
20 seconds
40 1.39
50 1.39
60 0.83
75 0.83
100 0.83
15 seconds
125 0.83
150 0.83
200 0.83
250 0.54 20 seconds 85° C (185°F)
300 0.53
1) TC-frame motors (MTC-xxx-xxxxCK) are T-frame motors with applicable
C-face accessory kits installed.
Page 1–30 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Performance Data – EPAct T-Frame Three-Phase Motors – 1200 rpm
(460 Volt except as indicated)
1
B
1150
600 240 1800 3600
1-1/2 1170
2
3
1180
5
7-1/2
10 A
1 3.2 / 1.6 3.2 / 1.6 25.0 / 12.5 4.59 11.48 14.69
1-1/2 3.5 / 1.8 4.8 / 2.4 40.0 / 20.0 6.60 18.5 24.4
2 4.0 / 2.0 6.1 / 3.1 50.0 / 25.0 9.02 24.4 30.7
3 4.7 / 2.4 8.4 / 4.2 64.0 / 32.0 13.4 22.8 37.5
5 7.3 / 3.7 13.6 / 6.8 92.0 / 46.0 22.2 37.7 53.3
7-1/2 12.6 / 6.3 21.2 / 10.6 127 / 63.5 32.9 75.7 98.7
10 7.6 / 3.8 28.0 / 14.0 168 / 84.0 44.8 98.6 139
1
80°C
(176°F)
20
seconds
81.1 0.72 0.009 3.3
1-1/2 85.5 0.65 0.068 2.5
2 86.5 0.70 0.100 2.5
3 87.5 0.72 0.207 1.7
5 87.5 0.72 0.258 1.7
7-1/2 89.5 0.71 0.480 1.7
10 89.5 0.74 2.487 1.7
2) Maximum Constant HP RPM is for direct-coupled loads
Chapter 1: Getting Started
Page 1–31IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Performance Data – EPAct T-Frame Three-Phase Motors – 3600 rpm
(460 Volt except as indicated)
1-1/2
B
3480
1800 720 5400 5400
2
3 3520
5 3510
7-1/2 3520
10 3530
1-1/2 1.4 / 0.7 3.8 / 1.9 40.0 / 20.0 2.23 4.01 5.58
2 1.5 / 0.8 5.0 / 2.5 50.0 / 25.0 3.03 6.06 8.18
3 2.8 / 1.4 7.2 / 3.6 64.0 / 32.0 4.50 10.4 16.2
5 4.0 / 2.0 11.3 / 5.7 92.0 / 46.0 7.46 15.7 26.5
7-1/2 5.0 / 2.5 16.8 / 8.4 127 / 63.5 11.0 22.0 36.3
10 5.7 / 2.8 22.4 / 11.2 162 / 81.0 15.0 33.0 49.5
1-1/2
80°C
(176°F) 20 seconds
82.5 0.86 0.009 3.3
2 84.0 0.87 0.010 3.3
3 85.5 0.86 0.034 2.2
5 87.5 0.88 0.040 2.5
7-1/2 88.5 0.89 0.258 2.2
10 89.5 0.89 0.109 1.9
2) Maximum Constant HP RPM is for direct-coupled loads
Page 1–32 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
Receiving and Inspection
After receiving an IronHorse motor, please check for the following:
• Open the motor packaging and inspect for damage during shipment.
• Make sure the part number indicated on the motor nameplate corresponds with the part
number on your order.
• For all 56C and 56HC framed motors, make sure that the shipment contains the motor, the
removable mounting foot and mounting foot bolts.
• Read the enclosed Product Advisory.
0707121305
Motor nameplate
Mounting foot
Mounting foot bolts
MT CP - 7P5 - 3 BD 18 C
Nominal RPM
12: 1200 rpm
18: 1800 rpm
36: 3600 rpm
Voltage Class (multiple letters possible)
A: 115 VAC
B: 208-230 VAC
C: 230 VAC
D: 460 VAC
L: 90 VDC
M: 180 VDC
IronHorse Motors Series Designation
Rated Horsepower
P: Decimal Point
# left of P: Rated full hp
# right of P: Rated fractional hp
Phase
1: Single phase
3: Three phase
Optional Identifier
C: C-face cast-iron motor
R: Round body (no mounting feet)
Motor type
A: Motor Accessory
AP: Motor Accessory for
Premium-efficiency motor
C: AC EPAct motor with Cast-iron frame
CP: AC Premium-efficiency motor with
Cast-iron frame
F: Farm Duty
R(2): AC Motor w Rolled-steel frame
RP: AC Premium-efficiency motor with Rolled-steel frame
PM: DC Permanent Magnet
SS: AC Motor w Stainless-steel frame
Chapter 1: Getting Started
Page 1–33IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Reshipping
If an IronHorse motor needs to be reshipped from the initial shipping point, the following
procedures should be followed to protect the motor from damage.
1) If the original packaging is to be used for reshipment, inspect the packaging for previous
shipping damage and repackage if necessary. Take care to protect the motor body, fan
cover and shaft.
2) It is a good idea to bolt the motor to a platform that fits securely in the bottom of the
shipping crate or box. This helps prevent the motor from shifting during transport and thus
protects the bearings from damage.
3) A shaft lock device should be installed on motors from 100 to 300 hp prior to shipment.
The shaft lock helps prevent bearing damage.
4) Motors should only be lifted by the the eyebolt(s) provided on the motor. When lifting
motors with more than one eyebolt, use every bolt provided.
Long Term Storage
The following preventative measures should be taken when storing IronHorse motors for a long
period of time.
1) Store motors in a controlled temperature, dry atmosphere free of excess dirt, dust and
airborne particles.
2) Rotate the motor shaft every sixty days to prevent hardening of the bearing grease.
3) Warehoused motors should have the bearing grease purged and replaced every six months.
Use only Mobil POLYREX® EM Polyurea grease.
Warranty
• IronHorse MTSS stainless steel motors carry a one year warranty from the date of invoice.
• All other IronHorse motors (except MTSS) carry a two year warranty from the date of
invoice.
For motors 40 hp and smaller, valid warranty claims will be resolved by product replacement.
Motors 50 hp and larger must be evaluated by an authorized Electrical Apparatus Service
Association (EASA) service center. Valid warranty claims will be resolved by repair or
replacement at the discretion of AutomationDirect. See AutomationDirect Terms and Conditions
in our current catalog or online at http://www.automationdirect.com/static/specs/adpolicy.pdf for
complete details.
Authorized EASA service centers are available nationwide. Visit the EASA website at www.easa.
com to find the nearest authorized service center. These shops may also be able to assist with
non-warranty service.
Page 1–34 IronHorse® General Purpose AC Motors User Manual – 7th Edition – January 12, 2017
Chapter 1: Getting Started
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