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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