MARS 44514 Transformer
For industrial-grade power distribution and control circuits, the MARS 44514 Transformer provides a high-reliability solution for modern HVACR systems. This 75 VA control transformer features multi-tap primary connections for 120V and 277V, making it highly versatile for rooftop units and commercial equipment. Engineered with NEMA Class II construction, this open-frame unit includes wire lead terminals for both primary and secondary connections, facilitating rapid field wiring. The MARS 44514 is specifically designed to isolate and step-down voltage to 24V for thermostat circuits, motor contactors, and relay logic. The integrated, UL-recognized manual reset circuit breaker provides essential overcurrent protection, significantly reducing downtime from secondary shorts. Whether performing a retrofit or a new installation, this step-down transformer ensures stable power delivery with low heat rise, maintaining the integrity of sensitive control components across demanding heating and cooling cycles.
Key Benefits
- Dual-voltage flexibility supporting 120V and 277V primary inputs for versatile commercial applications.
- High 75 VA power rating capable of handling larger inductive loads and complex control strings.
- Features a manual reset circuit breaker on the secondary side for enhanced component protection and easier troubleshooting.
- NEMA Class II rated construction ensures reliable electrical isolation and safety standard compliance.
- Foot-mount design with flexible wire leads allows for easy integration into existing control panels or blower housings.
Common Questions
What is the output voltage of this transformer?
The MARS 44514 delivers a nominal 24V secondary output, optimized for standard HVACR control circuits and low-voltage accessories.
Can I use this to replace a 40 VA or 50 VA transformer?
Yes. Upgrading to a 75 VA transformer is a common practice when adding extra components, such as high-draw 24V contactors or logic boards, as it provides more headroom than the original 40 VA or 50 VA units.
Does this unit have internal fuse protection?
No, it utilizes a manual reset circuit breaker. This is preferred in technical applications as it allows for a quick reset once a fault is cleared, rather than requiring a fuse replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $129.19
-65%$129.19
$45.22MARS 44514 Transformer
For industrial-grade power distribution and control circuits, the MARS 44514 Transformer provides a high-reliability solution for modern HVACR systems. This 75 VA control transformer features multi-tap primary connections for 120V and 277V, making it highly versatile for rooftop units and commercial equipment. Engineered with NEMA Class II construction, this open-frame unit includes wire lead terminals for both primary and secondary connections, facilitating rapid field wiring. The MARS 44514 is specifically designed to isolate and step-down voltage to 24V for thermostat circuits, motor contactors, and relay logic. The integrated, UL-recognized manual reset circuit breaker provides essential overcurrent protection, significantly reducing downtime from secondary shorts. Whether performing a retrofit or a new installation, this step-down transformer ensures stable power delivery with low heat rise, maintaining the integrity of sensitive control components across demanding heating and cooling cycles.
Key Benefits
- Dual-voltage flexibility supporting 120V and 277V primary inputs for versatile commercial applications.
- High 75 VA power rating capable of handling larger inductive loads and complex control strings.
- Features a manual reset circuit breaker on the secondary side for enhanced component protection and easier troubleshooting.
- NEMA Class II rated construction ensures reliable electrical isolation and safety standard compliance.
- Foot-mount design with flexible wire leads allows for easy integration into existing control panels or blower housings.
Common Questions
What is the output voltage of this transformer?
The MARS 44514 delivers a nominal 24V secondary output, optimized for standard HVACR control circuits and low-voltage accessories.
Can I use this to replace a 40 VA or 50 VA transformer?
Yes. Upgrading to a 75 VA transformer is a common practice when adding extra components, such as high-draw 24V contactors or logic boards, as it provides more headroom than the original 40 VA or 50 VA units.
Does this unit have internal fuse protection?
No, it utilizes a manual reset circuit breaker. This is preferred in technical applications as it allows for a quick reset once a fault is cleared, rather than requiring a fuse replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
For industrial-grade power distribution and control circuits, the MARS 44514 Transformer provides a high-reliability solution for modern HVACR systems. This 75 VA control transformer features multi-tap primary connections for 120V and 277V, making it highly versatile for rooftop units and commercial equipment. Engineered with NEMA Class II construction, this open-frame unit includes wire lead terminals for both primary and secondary connections, facilitating rapid field wiring. The MARS 44514 is specifically designed to isolate and step-down voltage to 24V for thermostat circuits, motor contactors, and relay logic. The integrated, UL-recognized manual reset circuit breaker provides essential overcurrent protection, significantly reducing downtime from secondary shorts. Whether performing a retrofit or a new installation, this step-down transformer ensures stable power delivery with low heat rise, maintaining the integrity of sensitive control components across demanding heating and cooling cycles.
Key Benefits
- Dual-voltage flexibility supporting 120V and 277V primary inputs for versatile commercial applications.
- High 75 VA power rating capable of handling larger inductive loads and complex control strings.
- Features a manual reset circuit breaker on the secondary side for enhanced component protection and easier troubleshooting.
- NEMA Class II rated construction ensures reliable electrical isolation and safety standard compliance.
- Foot-mount design with flexible wire leads allows for easy integration into existing control panels or blower housings.
Common Questions
What is the output voltage of this transformer?
The MARS 44514 delivers a nominal 24V secondary output, optimized for standard HVACR control circuits and low-voltage accessories.
Can I use this to replace a 40 VA or 50 VA transformer?
Yes. Upgrading to a 75 VA transformer is a common practice when adding extra components, such as high-draw 24V contactors or logic boards, as it provides more headroom than the original 40 VA or 50 VA units.
Does this unit have internal fuse protection?
No, it utilizes a manual reset circuit breaker. This is preferred in technical applications as it allows for a quick reset once a fault is cleared, rather than requiring a fuse replacement.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
