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T R A N S F O R M E R S
®
www.marsdelivers.com
www.marsdelivers.com
Transformers
MARS SERIES
503
MARS Control Transformers
NEMA Class II Open
Construction
50351
MARS compact open construction transformers are less than
21/4” in height. This makes them ideal as replacements within
existing equipment.
MARS control transformers are available with various outputs
and voltages for special applications.
Application:
Provide power source for control circuit for air conditioning,
heating, or refrigeration systems.
50354
Features:
•
•
•
•
•
UL class 2 recognized
Low heat rise
Primary color coded leads
Secondary color coded leads, or 1/4” male quick connects
Foot-mount
®
50364
Delivering Confidence
Foot-Mount Open Construction
MARS
NO.
FORMER
MARS2 NO.
VA
RATING
50351
50201
40
50352
50353
50354
50355*
-
50203
-
50350
-
50357
50359(1)
50308
* Not UL listed
(1) In line fuse protection
-
HZ
20
50/60
40
40
40
20
40
40
50
PRIMARY
VOLTAGE
CONNECTIONS
120
Color coded leads
50/60
120/208/240
Color coded leads
50/60
277
50/60
50/60
60
50/60
50/60
50/60
120
208/240
120
120/208/240
120/208/240
120/208/240
SECONDARY
VOLTAGE
CONNECTIONS
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
Color coded leads
24
Color coded leads
Color coded leads
12/24
Color coded leads
24/12/2.5
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
Color coded leads
Color coded leads
Color coded leads
Color coded leads
Foot-Mount Open Construction With Primary & Secondary Quick Connects
MARS
NO.
50362
50364
50363
2
VA
RATING
40
40
50
HZ
50/60
50/60
50/60
PRIMARY
VOLTAGE
CONNECTIONS
120
120/208/240
208/240
1/4” Male quick connects
1/4” Male quick connects
1/4” Male quick connects
SECONDARY
VOLTAGE
CONNECTIONS
24
24
24
1/4” Male quick connects
1/4” Male quick connects
1/4” Male quick connects
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
Transformers
MARS SERIES
503
MARS Control Transformers
NEMA Class II End Bell Type
50301
MARS end bell transformers provide enclosures for the
primary and secondary windings, MARS multi-mount
models offer three mounting options - Foot, Plate, or
Conduit mount.
MARS control transformers are available with various
outputs and voltages for special applications.
Application:
Provide power source for control circuit for air conditioning,
heating, or refrigeration systems.
50306
50302
50303
50304
Features:
•
•
•
•
•
UL class 2 recognized
Low heat rise
Primary color coded leads
Secondary color coded leads, or screw terminals
Multi-mount or plate-mount
50337
®
50305
Delivering Confidence
Foot-Mount End Bell Type
MARS
NO.
VA
RATING
20
50301
PRIMARY
VOLTAGE
CONNECTIONS
HZ
60
120
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
24
Color coded leads
Multi-Mount End Bell Type
MARS
NO.
50302
50303
FORMER
MARS2 NO.
VA
RATING
-
40
50210(1), 50213
50215
-
50304
50306*
50314
50333*
50212, 50216(2)
-
50337
PRIMARY
VOLTAGE
CONNECTIONS
HZ
40
50/60
48
60
50/60
40
50
75
Color coded leads
277
Color coded leads
60
120/208/240
50/60
120/208/240
50/60
48
120
208/240
Color coded leads
120/208/240
Color coded leads
Color coded leads
* Not UL listed (1) Color coded leads on secondary, (2) Screw terminals on secondary
Color coded leads
24
Screw terminals
24
Color coded leads
24
Color coded leads
24
Color coded leads
120/208/240
50/60
SECONDARY
VOLTAGE
CONNECTIONS
24
24
24/12/2.5
Screw terminals
Screw terminals
Color coded leads
Color coded leads
Plate-Mount End Bell Type
MARS
NO.
VA
RATING
40
50305
HZ
50/60
PRIMARY
VOLTAGE
CONNECTIONS
120
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
24
Screw terminals
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
3
Transformers
MARS SERIES
503
MARS Control Transformers
NEMA Class II
Heavy Duty End Bell Type
50316
MARS control transformers are available with various
outputs and voltages for special applications.
Application:
MARS heavy duty end bell transformers offer a wide variety
of higher VA rated models. These models are the choice
when extra power is the solution.
Features:
•
•
•
•
•
UL class 2 recognized
50/60 Hz
Low heat rise
Color coded leads
Foot-mount
50340
®
Delivering Confidence
Foot-Mount End Bell Type
MARS
NO.
FORMER
MARS2 NO.
VA
RATING
50316
50225
75
50320(1)
50324
50326
50340*
-
60
50/60
75
50/60
75
-
100
-
HZ
*100 VA does not qualify for NEMA Class II
(1) Inline fuse
VOLTAGE
208/240
PRIMARY
CONNECTIONS
50/60
120/208/240/480
50/60
480
50/60
208/240
120/208/240/480
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
Color coded leads
24
Color coded leads
24
Color coded leads
Color coded leads
Color coded leads
Foot Mounted Open Construction
MARS
NO.
50339(2)
(2) UL 506
4
VA
RATING
75
HZ
50/60
PRIMARY
VOLTAGE
480
CONNECTIONS
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
120
Color coded leads
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
Transformers
MARS SERIES
503
MARS Control Transformers
NEMA Class II
Manual Reset Style
50321
50327
50341
50375
MARS control transformers are available with various
outputs and voltages for special applications.
Application:
Provide power source for control circuit for air conditioning,
heating, or refrigeration systems.
Features:
•
•
•
•
UL class 2 recognized
Low heat rise
Color coded leads or quick connect terminals
Foot-mount
MARS Power Transformers
50380
Application:
Provide 120V power source for air conditioning, heating,
or refrigeration systems. MARS power transformers provide
dual purpose options — 120V or 24V secondary with
208V/240V/480V primary connections. Three VA selections
offer a true powerhouse!
Features:
• Color coded leads
• Compact size
• Low heat rise
Foot-Mount End Bell Type with Manual Reset
MARS
NO.
FORMER
MARS2 NO.
VA
RATING
HZ
50327
50231
75
50/60
60
50/60
50227
-
50321
50375
100
-
100
-
50312
50370
50371
75
50232
50230
50341*
50
75
PRIMARY
VOLTAGE
CONNECTIONS
60
120/208/240/480
Color coded leads
50/60
120/208/240/480
Color coded leads
50/60
50/60
50/60
120/208/240/480
120/208/240/575
120/208/240/480
120/277/380/575
120/208/277/575
Color coded leads
Color coded leads
Color coded leads
Color coded leads
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
24
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
24
Color coded leads
Power Transformers Foot-Mount Open Construction
MARS
NO.
VA
RATING
HZ
50380(1)
100
60
50
50381(2)
60
* 100VA and higher does not qualify for NEMA Class II
(1) Not UL listed
(2) UL 506
PRIMARY
VOLTAGE
CONNECTIONS
208/240/480
208/240/480
Color coded leads
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
120/24
120/24
Color coded leads
Color coded leads
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
5
Transformers
MARS SERIES
503
MARS Control Transformers
NEMA Class II
Hub-Mounted Transformers
with Circuit Breakers and Multiple
Inputs of 120/208/240/480 VAC
Available either in 50VA or 75VA, these 2 versatile
transformers replace Honeywell® AT150F and AT175F. All
leads pass through the chase nipple.
•
•
•
•
50319
50372
MARS 50319, 50VA, MARS 50372, 75VA
3 Way mounting
Four inputs including 120/208/240/480 VAC
UL Recognized
Fully Enclosed Junction
Box Ready
•
•
•
•
50332
50374
Several models with dual voltage input
Welded laminations for quiet operation
Conservative heat rise characteristics
UL 506
®
Delivering Confidence
Hub Mount End Bell Type
MARS
NO.
50319
50372
VA
RATING
50
75
HZ
50/60
50/60
PRIMARY
VOLTAGE
CONNECTIONS
120/208/240/480
Color coded leads
120/208/240/480
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
24
24
Color coded leads
Color coded leads
Fully Enclosed
MARS
NO.
50332
50374
6
VA
RATING
50
100
HZ
50/60
50/60
PRIMARY
VOLTAGE
CONNECTIONS
240/480
Color coded leads
240/480
Color coded leads
SECONDARY
VOLTAGE
CONNECTIONS
120
120
Color coded leads
Color coded leads
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
Transformers
MARS SERIES
503
®
Transformers are of the highest quality
our customers have come to expect
Cross Reference
MARS NO.
FORMER
MARS2 NO.
50301
50302
50303
50304
50305
50306
50308
50312
50314
50316
50319
50320
50321
50324
50326
50327
50332
50333
50337
50339
50340
50341
50350
50351
50352
50353
50354
50355
50357
50359
50362
50363
50364
50370
50371
50372
50374
50375
50380
50381
50210, 50213
50215
50230
50212, 50216
50225
50321
50227
50232
50201
50203
-
DESCRIPTION
20VA, 120 to 24V, Foot End Bell, Leads
40VA, 120 to 24V, 3 Way, Leads/Screws
40VA, 208/240 to 24V, 3 Way, Leads/Screws
40VA, 120/208/240 to 24V, 3 Way, Leads/Screws
40VA, 120 to 24V, Plate Mount, Screws
48VA, 277 to 24V, 3 Way, Leads
50VA, 120/208/240 to 24V, Foot, Leads
60VA, 120/208/240/480 to 24V w/Breaker, Foot, Leads
50VA, 120/208/240 to 24V, 3 Way, Leads
60VA, 208/240 to 24V, Foot, Leads
50VA, 120/208/240/480 to 24V, 3 Way, Leads
75VA, 120/208/240/480 to 24V, Foot, Leads
75VA, 120/208/240/480 to 24V w/Breaker, Foot, Leads
75VA, 208/240 to 24V, Foot, Leads
75VA, 480 to 24V, Foot, Leads
50VA, 120/208/240/480 to 24V w/Breaker, Foot, Leads
50VA, 240/480 to 120V, 3 Way, Leads
48VA, 120/208/240 to 24/12/2.5V, 3 Way, Leads
75VA, 120/208/240/480 to 24V, 3 Way, Leads
75VA, 480 to 120V, Foot, Leads
100VA, 120/208/240/480 to 24V, Foot, Leads
100VA, 120/208/240/480 to 24V w/Breaker, Foot, Leads
20VA, 120/208/240 to 24V, Foot, Leads
20VA, 120 to 24V, Foot, Leads
40VA, 120 to 24V, Foot, Leads
40VA, 208/240 to 24V, Foot, Leads
40VA, 120/208/240 to 24V, Foot, Leads
40VA, 120 to 24/12V, Foot, Leads
40VA, 277 to 24V, Foot, Leads
40VA, 120/208/240 to 24/12/2.5V w/Fuse, Foot, Leads
40VA, 120 to 24V, Foot, Quick Connects
40VA, 208/240 to 24V, Foot, Quick Connects
40VA, 120/208/240 to 24V, Foot, Quick Connects
75VA, 120/277/380/575 to 24V w/Breaker, Foot, Leads
100VA, 120/208/277/575 to 24V w/Breaker, Foot, Leads
75VA, 120/208/240/480 to 24V, 3 Way, Leads
100VA, 240/480 to 120V, 3 Way, Leads
75VA, 120/208/240/575 to 24V w/Breaker, Foot, Leads
50VA, 208/240 to 120/24V, Foot, Leads
100VA, 208/240/480 to 120/24V, Foot, Leads
®
The largest selection of motors, components, and accessories for the HVAC/R Industry
7
98719
www.marsdelivers.com