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Page Count: 20

Quick selector

reference guide

Pow-R-Stock panelboards,

safety switches, and

transformers

EATON CORPORATION www.eaton.com 3

Questions to ask .................................. 15

Catalog numbering ............................... 16

General-purpose transformers ............. 17

Sizing tables ......................................... 19

Pow-R-Stock panelboards

Safety switches

Transformers

Table of contents

Questions to ask ..................................... 5

Catalog numbering .................................. 6

Interiors, EZ boxes, and EZ trims ............ 7

Branch and main circuit breakers ............ 8

Questions to ask ...................................11

Catalog numbering ................................12

General-duty safety switches ................13

Heavy-duty safety switches ..................14

EATON CORPORATION www.eaton.com

4

Product contact information

Call 877-ETN-CARE (877-386-2273)

Notes: _______________________________________________

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EATON CORPORATION www.eaton.com 5

Step

1Select an Interior

What is your voltage?

— Single-phase is 3-wire 120/240V

— Three-phase is 4-wire 208Y/120V, 3-wire 240 Vac

or 4-wire 480Y/277 Vac

What is your busbar rating?

— 100A (aluminum or copper)

— 225A (aluminum or copper)

— 400A (aluminum or copper)

What is the number of branch circuits/poles?

— 18

— 30

— 42

Step

2Enclosure Type

Do you need NEMA姞 Type 1 (indoor) or Type 3R (outdoor)?

— If NEMA Type 1, go to trim

— If NEMA Type 3R, skip trim and go to main device

Step

3Trim Type

What is the trim type?

— Surface

— Flush mount

Step

4

What is your cable entry?

— Top

— Bottom

Step

5Main Device

Main lug or main circuit breaker (MCB)?

— Select main breaker amperage from

options available

QA

QA

QA

QA

QA

QA

QA

Pow-R-Stock

panelboards

(unassembled)

Questions to ask

EATON CORPORATION www.eaton.com

6

Phase

1 = Single-phase

3 = Three-phase

Panel Type

PRL1A = PRL1a

PRL2A = PRL2a

NEMA 1 Pow-R-Stock Panelboard Trims

EZT 20 36 S

EZT are available laser cut trims used on all PRL1a, PRL2a, and PRL3a panels

Width in inches = 20 Height in inches = 36, 48, 60, or 72

Mounting

S = Surface

F = Flush

NEMA 1 Pow-R-Stock Panelboard Boxes

EZB 20 36 R BS

EZB are available boxes used for all Type 1 PRL1a, PRL2a, and PRL3a panels

Width in inches = 20 Height in inches = 36, 48, 60, or 72

R = Right-hand flange

Main Breaker Kits

BK ED 100 T

Breaker kit

Breaker frame

ED or FD or KD

Trip rating 100, 125 150, 175, 200, 225, 250, 300, 350, 400

Mounting

T = Top

B = Bottom

Bus Type

A = Aluminum bus

C = Copper bus

Main Device

X indicates no main/

use main breaker or

main lug kit

Number of Circuits

18, 30, and 42

PRL1A 1 225 X 42 A S

Catalog numbering system—Pow-R-Stock panelboard

interiors

Bus Amps

100 = 100A

225 = 225A

400 = 400A

Option

S = Short—no TFL or SFB provisions

Special note: This option applies only to

42 circuit 225A interiors.

Note: Top-feed provision for main lugs or

main breaker, no provision for through-feed

lugs or sub-feed breaker.

EATON CORPORATION www.eaton.com 7

Pow-R-Stock panelboards—EZ姠 Boxes and EZ Trims

Single-Phase, 3-Wire 120/240 Vac

Catalog Number

Interiors (Less Main Device)

Ampere Rating Max. No. of Poles Aluminum Bus Copper Bus

100 18 PRL1A1100X18A PRL1A1100X18C

100 30 PRL1A1100X30A PRL1A1100X30C

225 30 PRL1A1225X30A PRL1A1225X30C

225 42 PRL1A1225X42AS PRL1A1225X42CS 

225 42 PRL1A1225X42A PRL1A1225X42C

400 42 PRL1A1400X42A PRL1A1400X42C

Three-Phase, 4-Wire 208Y/120 Vac or Three-Phase, 3-Wire 240 Vac

Catalog Number

Interiors (Less Main Device)

Ampere Rating Max. No. of Poles Aluminum Bus Copper Bus

100 18 PRL1A3100X18A PRL1A3100X18C

100 30 PRL1A3100X30A PRL1A3100X30C

225 30 PRL1A3225X30A PRL1A3225X30C

225 42 PRL1A3225X42AS PRL1A3225X42CS 

225 42 PRL1A3225X42A PRL1A3225X42C

400 42 PRL1A3400X42A PRL1A3400X42C

Three-Phase, 4-Wire 480Y/277 Vac

Catalog Number

Interiors (Less Main Device)

Ampere Rating Max. No. of Poles Aluminum Bus Copper Bus

100 18 PRL2A3100X18A PRL2A3100X18C

100 30 PRL2A3100X30A PRL2A3100X30C

225 30 PRL2A3225X30A PRL2A3225X30C

225 42 PRL2A3225X42AS PRL2A3225X42CS 

225 42 PRL2A3225X42A PRL2A3225X42C

400 42 PRL2A3400X42A PRL2A3400X42C

Single-Phase, 3-Wire 120/240 Vac; Three-Phase, 4-Wire 208Y/120 Vac

or Three-Phase, 3-Wire 240 Vac; Three-Phase, 4-Wire 480Y/277 Vac

Boxes and Trims

Boxes Trims (NEMA 1)

NEMA 1 Surface Flush NEMA 3R Enclosures

EZB2036R EZT2036S EZT2036F GWPBQ2036PR

EZB2048R EZT2048S EZT2048F GWPBQ2048PR

EZB2048R EZT2048S EZT2048F GWPBQ2048PR

EZB2048R EZT2048S EZT2048F GWPBQ2048PR

EZB2060R EZT2060S EZT2060F GWPBQ2060PR

EZB2072R EZT2072S EZT2072F GWPBQ2072PR

 S = Short—no TFL or SFB provisions.

Note 1: The colors shown in the tables correspond to the color coding

on the trim, interior, and box product packaging labels. Be sure all three

parts match when delivering to your customer.

Note 2: Distributors can purchase boxes in quantities via the

Distributor toolbox.

EATON CORPORATION www.eaton.com

8

Summary of Branch Breakers Available

Breaker

Frame

No. of

Poles

Ampere

Rating Voltage

kAIC

Rating Example

Panel

Type

BAB 1

2

15–60

15–100

120 Vac

120/240 Vac

10

10

BAB1020

BAB2020

PRL1a

PRL1a

BAB H 2

3

15–100

15–100

240 Vac

240 Vac

10

10

BAB2040H

BAB3030H

PRL1a

PRL1a

QBGF 1

2

15–30

15–40

120 Vac

120/240 Vac

10

10

QBGF1020

QBGF2040

PRL1a

PRL1a

QBHW 1

2

2

3

15–60

15–100

15–100

15–100

120 Vac

120/240 Vac

240 Vac

240 Vac

22

22

22

22

QBHW1020

QBHW2020

QBHW2040H

QBHW3030H

PRL1a

PRL1a

PRL1a

PRL1a

GHQ 1 15–20 277 Vac 14 GHQ1020 PRL2a

GHB 1

2

3

15–100

15–100

15–100

277 Vac

480Y/277 Vac

480Y/277 Vac

14

14

14

GHB1020

GHB2040

GHB3060

PRL2a

PRL2a

PRL2a

Branch circuit breakers

Main circuit breaker kits

Kits—Main Circuit Breaker (Includes Circuit Breaker and Terminals)

Max.

Volt.

Ampere

Rating Service

Catalog

Number

Breaker

Frame

Mounting

Location

Wire Range

AI/Cu

(in kcmil)

240

Vac

100 Single- or

three-phase

BKED100T ED Top (1) #14–1/0

125 Single- or

three-phase

BKED125T ED Top (1) #4–4/0

150 Single- or

three-phase

BKED150T ED Top (1) #4–4/0

175 Single- or

three-phase

BKED175T ED Top (1) #4–4/0 

200 Single- or

three-phase

BKED200T ED Top (1) #4–4/0 

225 Single- or

three-phase

BKED225T ED Top (1) #4–4/0 

240

Vac

100 Single- or

three-phase

BKED100B ED Bottom (1) #14–1/0

125 Single- or

three-phase

BKED125B ED Bottom (1) #4–4/0

150 Single- or

three-phase

BKED150B ED Bottom 1) #4–4/0

175 Single- or

three-phase

BKED175B ED Bottom (1) #4–4/0 

200 Single- or

three-phase

BKED200B ED Bottom (1) #4–4/0 

225 Single- or

three-phase

BKED225B ED Bottom (1) #4–4/0 

 Order optional lug kit catalog no. 3TA225FDK for 175–225A ED- and FD-Frame

three-pole circuit breakers to provide terminations for (1) #6–300 kcmil.

EATON CORPORATION www.eaton.com 9

Main circuit breaker kits

Kits—Main Circuit Breaker (Includes Circuit Breaker and Terminals)

Max.

Volt.

Ampere

Rating Service

Catalog

Number

Breaker

Frame

Mounting

Location

Wire Range

AI/Cu

(in kcmil)

480

Vac

100 Single- or

three-phase

BKFD100T FD Top (1) #14–1/0

125 Single- or

three-phase

BKFD125T FD Top (1) #4–4/0

150 Single- or

three-phase

BKFD150T FD Top (1) #4–4/0

175 Single- or

three-phase

BKFD175T FD Top (1) #4–4/0 

200 Single- or

three-phase

BKFD200T FD Top (1) #4–4/0 

225 Single- or

three-phase

BKFD225T FD Top (1) #4–4/0 

480

Vac

100 Single- or

three-phase

BKFD100B FD Bottom (1) #14–1/0

125 Single- or

three-phase

BKFD125B FD Bottom (1) #4–4/0

150 Single- or

three-phase

BKFD150B FD Bottom (1) #4–4/0

175 Single- or

three-phase

BKFD175B FD Bottom (1) #4–4/0 

200 Single- or

three-phase

BKFD200B FD Bottom (1) #4–4/0 

225 Single- or

three-phase

BKFD225B FD Bottom (1) #4–4/0 

480

Vac

250 Single- or

three-phase

BKKD250T KD Top (1) 250–500

300 Single- or

three-phase

BKKD300T KD Top (1) 250–500

350 Single- or

three-phase

BKKD350T KD Top (1) 250–500

400 Single- or

three-phase

BKKD400T KD Top (2) 3/0–250

or (1) 3/0–500

480

Vac

250 Single- or

three-phase

BKKD250B KD Bottom (1) 250–500

300 Single- or

three-phase

BKKD300B KD Bottom (1) 250–500

350 Single- or

three-phase

BKKD350B KD Bottom (1) 250–500

400 Single- or

three-phase

BKKD400B KD Bottom (2) 3/0–250

or (1) 3/0–500

 Order optional lug kit catalog no. 3TA225FDK for 175–225A ED- and FD-Frame

three-pole circuit breakers to provide terminations for (1) #6–300 kcmil.

ote: N KD kits are to be used on 400A panels only.

EATON CORPORATION www.eaton.com

10

Kits—Main Lugs or Through-Feed Lugs

Ampere Rating Service Catalog Number Wire Range AI/Cu

100 Single- or

three-phase

LUGKIT100 (1) #14–1/0

225 Single- or

three-phase

LUGKIT225 (1) #6–300 Kcmil

400 Single- or

three-phase

LUGKIT400 (2) #2–500 Kcmil

Kits—Service Entrance

Ampere Rating Service Catalog Number Panel Type

100/225 Single- or

three-phase

SEK1/2 PRL1a or PRL2a

400 Single- or

three-phase

SEK4/6 PRL1a or PRL2a

Kits—Insulated/Isolated Ground (Carton Qty. of 5)

Ampere Rating Service Catalog Number Panel Type

100/225/400 Single- or

three-phase

ISOGROUND PRL1a or PRL2a

Kits—200% Neutral

Ampere Rating Service Catalog Number Panel Type

100 Single- or

three-phase

2NK100 PRL1a or PRL2a

225 Single- or

three-phase

2NK225 PRL1a or PRL2a

Lug kits and accessories

EATON CORPORATION www.eaton.com 11

Step

1

Which type of switch do you need?

— Heavy-duty (DH)

— General-duty (DG)

— Double-throw (DT)

Step

2

What current (amp) rating do you need?

— 30, 60, 100, 200, 400, 600, 800, 1200

Step

3

Should it be fused, non-fused, or fusible with neutral?

— F = Fusible without neutral

— U = Non-fusible

— N = Fusible with neutral

Step

4

How many poles?

— 1, 2, 3, 4, 6

Step

5

What voltage do you need?

— 120 Vac

— 240 Vac

— 600 Vac

Step

6

What type of enclosure do you need?

— NEMA 1

— NEMA 3R

— NEMA 12

— NEMA 4 painted steel

— NEMA 4X stainless steel

— NEMA 4X non-metallic

QA

QA

QA

QA

QA

QA

Safety switches/

disconnects

Questions to ask

EATON CORPORATION www.eaton.com

12

Catalog numbering system—safety switches

Poles/Blades

1 = 1 pole

2 = 2 poles

3 = 3 poles

4 = 4 poles

6 = 6 poles

Switch Type

DG = General-

duty

DH = Heavy-duty

DT = Double-throw

Fusible/Non-Fusible

or Neutral

F = Fusible without

neutral

U = Non-fusible

N = Fusible with

neutral

DH 3 6 1 N D K

Voltage

1 = 120 Vac

2 = 240 Vac

6 = 600 Vac

Amperes

1 = 30A

2 = 60A

3 = 100A

4 = 200A

5 = 400A

6 = 600A

7 = 800A

8 = 1200A

Series

K = Design all general-duty

switches above 200A

and all heavy-duty

switches incorporate

K-Series switch design

B = Design general-duty

30–100A

NEMA Enclosure

Ratings

C = NEMA 4X

Non-metallic

G = NEMA 1

P = NEMA 4

Painted steel

R = NEMA 3R

W = NEMA 4X

Stainless steel

EATON CORPORATION www.eaton.com 13

Neutral and Ground Lug Kits

Catalog Number Description

DG030NB Neutral kit for 30A switches

DG100NB Neutral kit for 60–100A switches

DG030GB Ground lug kit for 30–100A switches

General-duty safety switches (disconnects)

Three-Pole—240 Vac (Suitable for Service Entrance Use

with a Neutral or Ground Lug Kit)

Catalog

Number

Current

Rating

(A) Type

Enclosure

Type

Max. HP

Ratings

Max. HP

Ratings

Single-

Phase

Three-

Phase

240 Vac 240 Vac

DG321NGB 30 Fusible with neutral NEMA 1 1.5–3 3–7.5

DG321UGB 30 Non-fusible NEMA 1 3 7.5

DG321NRB 30 Fusible with neutral NEMA 3R 1.5–3 3–7.5

DG321URB 30 Non-fusible NEMA 3R 3 7.5

DG322NGB 60 Fusible with neutral NEMA 1 3–10 7.5–15

DG322UGB 60 Non-fusible NEMA 1 10 15

DG322NRB 60 Fusible with neutral NEMA 3R 3–10 7.5–15

DG322URB 60 Non-fusible NEMA 3R 10 15

DG323NGB 100 Fusible with neutral NEMA 1 7.5–15 15–30

DG323UGB 100 Non-fusible NEMA 1 15 30

DG323NRB 100 Fusible with neutral NEMA 3R 7.5–15 15–30

DG323URB 100 Non-fusible NEMA 3R 15 30

EATON CORPORATION www.eaton.com

14

Three-Pole—480–600 Vac (Suitable for Service Entrance Use

with a Neutral or Ground Lug Kit Below)

Catalog

Number

Current

Rating

(A) Type

Enclosure

Type

Max. HP

Ratings

Max. HP

Ratings

Single-Phase Three-Phase

480V 600V 480V 600V

DH361FGK 30 Fusible NEMA 1 7.5 15 10 20

DH361UGK 30 Non-fusible NEMA 1 7.5 15 10 20

DH361FRK 30 Fusible NEMA 3R 7.5 15 10 20

DH361URK 30 Non-fusible NEMA 3R 7.5 15 10 20

DH362FGK 60 Fusible NEMA 1 20 30 25 50

DH362UGK 60 Non-fusible NEMA 1 20 30 25 50

DH362FRK 60 Fusible NEMA 3R 20 30 25 50

DH362URK 60 Non-fusible NEMA 3R 20 30 25 50

DH363FGK 100 Fusible NEMA 1 30 60 40 75

DH363UGK 100 Non-fusible NEMA 1 30 60 40 75

DH363FRK 100 Fusible NEMA 3R 30 60 40 75

DH363URK 100 Non-fusible NEMA 3R 30 60 40 75

DH364FGK 200 Fusible NEMA 1 50 125 50 150

DH364UGK 200 Non-fusible NEMA 1 50 125 50 150

DH364FRK 200 Fusible NEMA 3R 50 125 50 150

DH364URK 200 Non-fusible NEMA 3R 50 125 50 150

Heavy-duty safety switches (disconnects)

Neutral and Ground Lug Kits

Catalog Number Description

DH030NK Neutral kit for 30–60A switches

DH100NK Neutral kit for 100A switches

DG200NK Neutral kit for 200A switches

DS100GK Ground lug kit for 30–100A switches

DS200GK Ground lug kit for 200A switches

EATON CORPORATION www.eaton.com 15

Step

1

How many phases?

— Single-phase

— Three-phase

Step

2

What type of enclosure is required?

— Ventilated

— Encapsulated

Step

3

What is the primary voltage? (input voltage)

— Single-phase is 240V x 480V

— Three-phase is 480V Delta (three-phase, 3-wire)

Step

4

What is the secondary voltage? (output voltage)

— Single-phase

— 120/240

— Three-phase

— 208Y/120 (three-phase, 4-wire) or 240V Delta

Step

5

What kVA transformer is required?

— If single-phase encapsulated, kVAs are:

0.05, 0.075, 0.1, 0.15, 0.25, 0.5, 0.75, 1,

1.5, 2, 3, 5, 7.5, 10, 15, 25, 37.5

— If single-phase ventilated, kVAs are:

15, 25, 37.5, 50, 75, 100

— If three-phase encapsulated, kVAs are:

3, 6, 9, 15, 30, 45, 75

— If three-phase ventilated, kVAs are:

15, 30, 45, 75, 112.5, 150, 225, 300, 500

Step

6

If a ventilated transformer was selected

— Field kits: Lug kits or weathershields

— Select from selection tables

QA

QA

QA

QA

QA

QA

Transformers

Questions to ask

Transformers

EATON CORPORATION www.eaton.com

16

Catalog numbering system—transformers

Phase

S = Single-phase

T = Three-phase

Type

S = EP

(single-phase

encapsulated)

T = DS-3

(single-phase

ventilated)

V = DT-3

(three-phase

ventilated)

Y = EPT

(three-phase

encapsulated)

Secondary Voltage

11 = 120/240

28 = 208Y/120

22 = 240V Delta

w/120V lighting

tap

T 20 N 11 S 05 A

Primary Voltage

20 = 240 x 480

48 = 480

Taps

D = 2@+2.5%, 2@–2.5%

G = 2@–5%

L = 2@–5% X 4@–2.5%

M = 2@+2.5%,4@–2.5%

N = None

P = 1@+5%, 2@–5%x

2@+2.5%,4@–2.5%

Suffix Options

A ... Z = 

EE = 

kVA

81 = 0.05

85 = 0.075

82 = 0.10

83 = 0.15

26 = 0.25

51 = 0.50

76 = 0.75

01 = 1

16 = 1.5

02 = 2

03 = 3

05 = 5

06 = 6

07 = 7.5

09 = 9

10 = 10

15 = 15

25 = 25

30 = 30

37 = 37.5

45 = 45

50 = 50

75 = 75

99 = 100

12 = 112.5

49 = 150

67 = 167

22 = 225

33 = 300

55 = 500

 Model number for encapsulated transformers.

 NEMA TP-1 transformers. Valid only with ventilated transformers.

EATON CORPORATION www.eaton.com 17

Three-Phase Ventilated, 480 Delta—208Y/120, 150°C Rise,

Aluminum Windings, TP-1

kVA Style Number Outline #

Wiring

Diagram Weathershield

Typical

Lug Kit

15 V48M28T15EE 912B 280B WS38 LKS1

30 V48M28T30EE 912B 280B WS38 LKS1

45 V48M28T45EE 912B 280B WS38 LKS1

75 V48M28T75EE 914D 280B WS39 LKS2

112.5 V48M28T12EE 916A 280B WS19 LKS2

150 V48M28T49EE 916A 280B WS19 LKS3

225 V48M28T22EE 917 280B WS34 LKS3

300 V48M28T33EE 918A 275A WS34 LKS3

500 V48M28T55EE 919 275A WS35 LKS4

Three-Phase Ventilated, 480 Delta—240 Delta/120 Lighting Tap, 150°C Rise,

Aluminum Windings, TP-1

kVA Style Number Outline #

Wiring

Diagram Weathershield

Typical

Lug Kit

15 V48M22T15EE 912B 282B WS38 LKS1

30 V48M22T30EE 912B 282B WS38 LKS1

45 V48M22T45EE 912B 282B WS38 LKS1

75 V48M22T75EE 914D 282B WS39 LKS2

112.5 V48M22T12EE 916A 282B WS19 LKS2

150 V48M22T49EE 916A 282B WS19 LKS3

225 V48M22T22EE 917 282B WS34 LKS3

300 V48M22T33EE 923 282B WS37 LKS3

500 V48M22T55EE 919 291A WS35 LKS4

 Suitable for use with wall-mounted bracket WMB01.

General-purpose transformers

EATON CORPORATION www.eaton.com

18

General-purpose transformers

Single-Phase Encapsulated 240x480—120/240, 115°C Rise

kVA Style Number Outline #

Wiring

Diagram

0.05 S20N11S81N 52 3A

0.075 S20N11S85N 53 3A

0.1 S20N11S82N 54 3A

0.15 S20N11S83N 55 3A

0.25 S20N11S26N 56 3A

0.5 S20N11S51N 57 3A

0.75 S20N11S76N 58A 3A

1 S20N11S01N 59A 3A

1.5 S20N11S16N 67 3A

2 S20N11S02N 68 3A

3 S20N11S03N 176 3A

5 S20N11S05N 177 3A

7.5 S20N11S07N 178 3A

10 S20N11S10N 179 3A

15 S20N11S15N 180 3A

25 S20L11S25N 182 23A

37.5 S20L11S37 300A 248A

Single-Phase Ventilated, 240x480—120/240, 150°C Rise, Aluminum

Windings, TP-1

kVA Style Number Outline #

Wiring

Diagram Weathershield Typical Lug Kit

15 T20P11S15EE 816 3XA WS11 LKS1

25 T20P11S25EE 818 3XA WS11 LKS1

37.5 T20P11S37EE 818 3XA WS11 LKS1

50 T20P11S50EE 819 3XA WS16 LKS2

75 T20P11S75EE 820 3XA WS16 LKS2

100 T20P11S99EE 821 3XA WS13 LKS3

Three-Phase Encapsulated, 480—208Y/120, 115°C Rise

kVA Style Number Outline # Wiring Diagram

3 Y48G28T03N 201 70A

6 Y48G28T06N 200 70A

9 Y48G28T09N 103 70A

15 Y48D28T15N 95 72B

30 Y48M28T30N 243 84A

45 Y48M28T45N 244 84A

75 Y48M28T75N 245 84A

 Suitable for use with wall-mounted bracket WMB01.

EATON CORPORATION www.eaton.com 19

Single-Phase Transformer Sizing Table

Rated Line–Line Voltage

kVA 120 208 240 277 480 600 2400 4160 4800

0.5 4.2 2.4 2.1 1.8 1.0 0.8 0.2 0.1 0.1

1 8.3 4.8 4.2 3.6 2.1 1.7 0.4 0.2 0.2

1.5 12.5 7.2 6.3 5.4 3.1 2.5 0.6 0.4 0.3

2 16.7 9.6 8.3 7.2 4.2 3.3 0.8 0.5 0.4

3 25.0 14.4 12.5 10.8 6.3 5.0 1.3 0.7 0.6

5 41.7 24.0 20.8 18.1 10.4 8.3 2.1 1.2 1.0

7.5 62.5 36.1 31.3 27.1 15.6 12.5 3.1 1.8 1.6

10 83.3 48.1 41.7 36.1 20.8 16.7 4.2 2.4 2.1

15 125.0 72.1 62.5 54.2 31.3 25.0 6.3 3.6 3.1

25 208.3 120.2 104.2 90.3 52.1 41.7 10.4 6.0 5.2

37.5 312.5 180.3 156.3 135.4 78.1 62.5 15.6 9.0 7.8

50 416.7 240.4 208.3 180.5 104.2 83.3 20.8 12.0 10.4

75 625.0 360.6 312.5 270.8 156.3 125.0 31.3 18.0 15.6

100 833.3 480.8 416.7 361.0 208.3 166.7 41.7 24.0 20.8

167 1391.7 802.9 695.8 602.9 347.9 278.3 69.6 40.1 34.8

250 2083.3 1201.9 1041.7 902.5 520.8 416.7 104.2 60.1 52.1

333 2775.0 1601.0 1387.5 1202.2 693.8 555.0 138.8 80.0 69.4

ote: N Line current = (kVA x 1000)/line voltage

Three-Phase Transformer Sizing Table

Rated Line–Line Voltage

kVA 208 240 480 600 2400 4160 4800

3 8.3 7.2 3.6 2.9 0.7 0.4 0.4

6 16.7 14.4 7.2 5.8 1.4 0.8 0.7

9 25.0 21.7 10.8 8.7 2.2 1.2 1.1

15 41.6 36.1 18.0 14.4 3.6 2.1 1.8

30 83.3 72.2 36.1 28.9 7.2 4.2 3.6

45 124.9 108.3 54.1 43.3 10.8 6.2 5.4

75 208.2 180.4 90.2 72.2 18.0 10.4 9.0

112.5 312.3 270.6 135.3 108.3 27.1 15.6 13.5

150 416.4 360.9 180.4 144.3 36.1 20.8 18.0

225 624.6 541.3 270.6 216.5 54.1 31.2 27.1

300 832.7 721.7 360.9 288.7 72.2 41.6 36.1

500 1387.9 1202.8 601.4 481.1 120.3 69.4 60.1

750 2081.9 1804.3 902.1 721.7 180.4 104.1 90.2

1000 2775.8 2405.7 1202.8 962.3 240.6 138.8 120.3

ote: N Line current = (kVA x 1000)/(line voltage x 1.732)

General-purpose transformers sizing tables

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