MARS Contactor Reference
User Manual: MARS-contactor-reference
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DEFINITE PURPOSE CONTACTORS
®
Delivering Confidence
www.marsdelivers.com
®
Delivering Confidence
www.marsdelivers.com
• Designed for the most demanding
applications
HVAC
Refrigeration
Food Equipment
• Meets the following standards-
cULus
ARI 780 & 790
CE
• Large Arch Window Box Lugs
• Compact Enclosed Body Design
• Push to Test Button On All Models Except
75 and 90 Amp Contactors
• Screw Attached Contact Cover On All
Models
• Replacement Coils For 3 Pole Contactors
• Auxiliary Switches and Interlocks
• Silver-Cadium Oxide Contacts
Industrial
Lighting
Welding Equipment
MARS 780 Definite Purpose Contactors Feature the Following:
Canadian Heater Rated
SCCR 600 VAC
780
®
http://waterheatertimer.org/Water-heater-contactors.html

1 Pole with Shunt 30 - 40 Amps
MARS 780 Definite Purpose Contactors
MARS SERIES 614
2
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
1 Pole with Shunt - 30 - 40 Amps
MARS 780
Definite Purpose
Contactors
MARS 780 - 1 pole with shunt contactors are
designed for demanding applications. The
enclosed body design provides quiet operation
and improved durability by reducing the
intrusion of dust and dirt. Silver-cadmium oxide
contacts provide increased contact life when
switching inductive loads.
Features:
• Enclosed body and coil – standard cover
• Push to test button
• Quad quick connects
• Box lugs - large window arch design
• Screw terminals and or box lugs available on
30 amp
• Coils - class F insulation
MARS
No.
Furnas
No. FLA
Locked Rotor Amps Non
Inductive
Amps
Coil
Volts Termination
240V 277V
61320 45EG10AJA, 45CG10AJA, 45DG10AJA
30 180 180 40
24
Screw Type
61321 45EG10AFA, 45CG10AFA, 45DG10AFA 120
61322 45EG10AGA, 45CG10AGA, 45DG10AGA 208-240
61323 45EG10ALA, 45CG10ALA, 45DG10ALA 277
61324 45EG10AHA, 45CG10AHA, 45DG10AHA 480
61720 45EG10AJAL
30 180 180 40
24
Box Lug
61721 45EG10AFAL 120
61722 45EG10AGAL 208-240
61723 45EG10ALAL 277
61724 45EG10AHAL 480
61730 45GG10AJAL, 45FG10AJA, 45GG10AJA
40 240 240 50
24
Box Lug
61731 45GG10AFAL, 45FG10AFA, 45GG10AFA 120
61732 45GG10AGAL, 45FG10AGA, 45GG10AGA 208-240
61733 45GG10ALAL, 45FG10ALA, 45GG10ALA 277
61734 45GG10AHAL, 45FG10AHA, 45GG10AHA 480
61720
61320

MARS 780 Definite Purpose Contactors
MARS SERIES 614
3
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
2 Pole 30 - 40 Amps
MARS 780
Definite Purpose
Contactors
MARS 780 - 2 pole contactors are designed
for demanding applications. The enclosed
body design provides quiet operation and
improved durability by reducing the intrusion of
dust and dirt. Silver-cadmium oxide contacts
provide increased contact life when switching
inductive loads.
Features:
• Enclosed body and coil – standard cover
• Push to test button
• Quad quick connects
• Box lugs - large window arch design
• Screw terminals and or box lugs available on
30 amp
• Coils - class F insulation
61345
MARS
No.
Furnas
No. FLA
Locked Rotor Amps Non
Inductive
Amps
Coil
Volts Termination
240V 480V 600V
61345 45EG20AJ, 45CG20AJ, 45DG20AJ
30 180 150 120 40
24
Screw Type
61346 45EG20AF, 45CG20AF, 45DG20AF 120
61347 45EG20AG, 45CG20AG, 45DG20AG 208-240
61348 45EG20AL, 45CG20AL, 45DG20AL 277
61349 45EG20AH, 45CG20AH, 45DG20AH 480
61745 45EG20AJL
30 180 150 120 40
24
Box Lug
61746 45EG20AFL 120
61747 45EG20AGL 208-240
61748 45EG20ALL 277
61749 45EG20AHL 480
61755 45GG20AJL, 45FG20AJ, 45GG20AJ
40 240 200 160 50
24
Box Lug
61756 45GG20AFL, 45FG20AF, 45GG20AF 120
61757 45GG20AGL, 45FG20AG, 45GG20AG 208-240
61758 45GG20ALL, 45FG20AL, 45GG20AL 277
61759 45GG20AHL, 45FG20AH, 45GG20AH 480
61755

MARS 780 Definite Purpose Contactors
MARS SERIES 614
4
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
2 Pole - Large Body 30 - 40 Amp
MARS 780
Definite Purpose
Contactors
MARS 780 - 2 pole “Large Body” contactors
feature a 2 pole configuration in a 3 pole body
for increased durability in demanding
applications.
Features:
• Large arch window box lugs
• Recessed push to test button
• Accepts MARS 780 and Furnas auxiliary
switches
• Use standard MARS 780 replacement coils
• Dual QC coil terminals plus screw terminal for
easy termination and jumper arrangements
• Coils - class F insulation
61425
61440
MARS
No. Furnas No. FLA
Locked Rotor Amps
Non
Inductive
Amps
Coil Volts
Horsepower
Termination
240V 480V 600V
1 PH 3 PH
240V 240V
61425 42BF15AJ, 42AF15AJ
30 180 150 120 40
24
3 HP 7.5 HP Box Lug
61426 42BF15AF, 42AF15AF 120
61427 42BF15AG, 42AF15AG 208-240
61428 42BF15AL, 42AF15AL 277
61440 42CF15AJ
40 240 200 160 50
24
5 HP 10 HP Box Lug
61441 42CF15AF 120
61442 42CF15AG 208-240
61443 42CF15AL 277

MARS 780 Definite Purpose Contactors
MARS SERIES 614
5
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
3 Pole 30 - 90 Amp
61445
61480
MARS No. Furnas No. FLA
Locked Rotor Amps Non
Inductive
Amps
Coil
Volts
Horsepower
Termination
240V 480V 600V 1 PH 3 PH
240V 240V 480V 600V
61430* 42BF35AJ
30 180 150 120 40
24
3 HP 7.5 HP 10 HP 15 HP Screw Type
61431* 42BF35AF 120
61432* 42BF35AG 208-240
61433* 42BF35AL 277
61434* 42BF35AH 480
61750 -
30 180 150 120 40
24
3 HP 7.5 HP 10 HP 15 HP Box Lug
61751 -120
61752 -208-240
61753 -277
61754 -480
61445 42CF35AJ
40 240 200 160 50
24
5 HP 10 HP 15 HP 20 HP Box Lug
61446 42CF35AF 120
61447 42CF35AG 208-240
61448 42CF35AL 277
61449 42CF35AH 480
61460 42DF35AJ
50 300 250 200 63
24
5 HP 15 HP 20 HP 25 HP Box Lug
61461 42DF35AF 120
61462 42DF35AG 208-240
61463 42DF35AL 277
61464 42DF35AH 480
61470 42EF35AJ
60 360 300 240 75
24
7.5 HP 20 HP 25 HP 30 HP Box Lug
61471 42EF35AF 120
61472 42EF35AG 208-240
61473 42EF35AL 277
61474 42EF35AH 480
61480 42FE35AJ106
75 450 375 300 94
24
15 HP 25 HP 40 HP 40 HP Box Lug
61481 42FE35AF106 120
61482 42FE35AG106 208-240
61483 42FE35AL106 277
61484 42FE35AH106 480
61490 42GE35AJ106
90 540 450 360 120
24
15 HP 30 HP 50 HP 50 HP Box Lug
61491 42GE35AF106 120
61492 42GE35AG106 208-240
61493 42GE35AL106 277
61494 42GE35AH106 480
MARS 780 - 3 Pole Contactors
MARS 780 - 3 pole contactors are designed for demanding applications.
The enclosed body design provides quiet operation and improved durability
by reducing the intrusion of dust and dirt. Side attachment rails for auxiliary
switches (30-60 amp contactors) allow attachment of MARS 780 or Furnas
auxiliary switches. Silver-cadmium oxide contacts provide increased
contact life when switching inductive loads.
Features:
• Large arch window box lugs
• SEMS screws or box lugs available on 30 amp contactors
• Recessed push to test button (not on 75 and 90 amp contactors)
• Enclosed body design
• Accepts MARS 780 and Furnas auxiliary switches
• Use standard MARS 780 replacement coils
• Dual QC coil terminals plus screw terminal for easy termination and
jumper arrangements
• Coils - class F insulation • 600 volt rating • Foot print compatible
* For 25 Amp Contactors - Use 30 Amp in Place of 25Amp

MARS 780 Definite Purpose Contactors
MARS SERIES 614
6
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
30-40A 1 Pole with Shunt
30-40A 2 Pole
30-40A 2* Pole & 3 Pole
MARS No. FLA Poles A B C D D1 E Mtg Screw
G
Max Wire
Size
61320-61324 30 1 3.19 1.97 2.46 1.5 1.77 1.61 10 8
61720-61724 61730-61734 30-40 1 3.19 1.97 2.46 1.5 1.77 1.61 10 4
61345-61349 30 2 3.19 1.97 2.46 1.5 1.77 1.61 10 8
61745-61749 61755-61759 30-40 2 3.19 1.97 2.46 1.5 1.77 1.61 10 4
61430-61434 30 3 3.69 2.38 2.87 3.13 3.25 1.98 10 8
61750-61754 61445-61449 30-40 3 3.69 2.38 2.87 3.13 3.25 1.98 10 4
61425-61428 61440-61443 30-40 2(at 3P) 3.69 2.38 2.87 3.13 3.25 1.98 10 4
Note - 2* Pole is a 3 pole body with center contacts removed.

MARS 780 Definite Purpose Contactors
MARS SERIES 614
7
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
50-60A 3 Pole
75-90A 3 Pole
MARS No. FLA Poles A B C D D1 E Mtg Screw
G
Max Wire
Size
61460-61464
61470-61474 50-60 3 4.04 2.87 3.11 3.13 3.25 2.24 10 2
61480-61484
61490-61494 75-90 3 5.02 3.5 4.39 4.43 4.63 2.87 10 1/10

MARS 780 Definite Purpose Contactors
MARS SERIES 614
®
Auxiliary Switches MARS 780 Replacement Coils
Renewal Parts and Accessories
• Snap on Side Mounted Auxiliary Switches
• Replacement Coils
61614
61616
61625
61679
61684
61692
MARS
No.
Furnas
No. Description Contactor
F.L.A. Used On
61610 49ACRO 1 NO
30 - 60
61320-61324
61720-61724
61730-61734
61345-61349
61745-61749
61755-61759
61430-61434
61750-61754
61445-61449
61425-61428
61440-61443
61460-61464
61470-61474
61611 49ACRC 1 NC
61612 49ACR6 1 NO- 1 NC
61613 49ACR7 2 NO
61614 49ACR8 2 NC
61615 49D36098001 SPDT
61616 49D36098003 DPDT
61623 - SPDT
75-90 61480-61484
61490-61494
61624 - 1 NO
61625 - 1 NC
MARS
No.
Furnas
No. Contactor Size Coil
Voltage
61679 -
3 Pole 30-40 Amp
24V
61680 - 120V
61681 - 208-240 V
61682 - 277V
61683 - 480 V
61684 -
3 Pole 50-60 Amp
24V
61685 - 120V
61687 - 208-240 V
61690 - 277V
61691 - 480 V
61692 -
3 Pole 75-90 Amp
24V
61693 - 120V
61694 - 208-240 V
61695 - 277V
61696 - 480 V
©2012 MOTORS & ARMATURES, Inc.
All rights reserved. This catalog may not be reproduced in whole or in part in any form without written permission from Motors & Armatures, Inc.
MARS is a registered trademark of Motors & Armatures, Inc. MARS part numbers are trademarks of Motors & Armatures, Inc. 98720