Hartland Controls HCT-03J2BB07 Transformer
As a veteran HVAC technician, I know that reliable control power is the backbone of any commercial system. The Hartland Controls HCT-03J2BB07 Transformer is a heavy-duty, 75VA solution designed for stepping down 277V primary power to 24V secondary circuits. Engineered for the rigors of industrial environments, this foot-mount transformer is a standard for powering 24VAC control circuits, including contactors, relays, and building management system (BMS) controllers. Its 75VA power rating provides ample overhead to prevent voltage drops during inrush events, ensuring stable operation for multi-stage air handlers and rooftop units (RTUs).
This unit is UL/CUL recognized (File No. E223730) under the UL 5085 standard, meeting the strict safety requirements for HVAC replacement parts. Note that this is a non-inherently limited transformer, meaning you must integrate secondary fusing to protect the 24V side of the circuit from overcurrent. The rugged foot-mount frame is built for easy installation in tight control cabinets, and its 50/60 Hz compatibility makes it versatile for a variety of commercial HVAC equipment and industrial control panels.
Key Benefits for Technicians:
- High Output Capacity: The 75VA rating provides significant power for complex circuits without the risk of logic board resets.
- Secure Foot Mounting: Features a robust base for stable, vibration-resistant installation in air handlers and furnaces.
- Industry Compliance: UL/CUL recognized safety standards ensure this Hartland Controls transformer meets code in industrial settings.
- Universal 277V Application: Optimized for commercial lighting circuits and industrial facilities running on 277V mains.
- OEM Reliability: Genuine HCT-03J2BB07 part ensures precise electrical characteristics and physical dimensions for direct replacements.
Common Questions:
Does this transformer require an external fuse?
Yes. Because it is non-inherently limited, you must install a secondary fuse (typically a 3A or 4A automotive-style or midget fuse) to protect the downstream 24V components.
Can I use this for 208V or 240V systems?
No. This specific model is designed for a 277V primary input. Using it on lower voltages will result in insufficient secondary output, which can damage contactors and control boards.
What is the maximum current output for the 24V side?
With a 75VA rating at 24V, this transformer provides approximately 3.13 Amps, making it suitable for larger HVAC systems with multiple solenoid valves or relays.
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.
Hartland Controls HCT-03J2BB07 Transformer
As a veteran HVAC technician, I know that reliable control power is the backbone of any commercial system. The Hartland Controls HCT-03J2BB07 Transformer is a heavy-duty, 75VA solution designed for stepping down 277V primary power to 24V secondary circuits. Engineered for the rigors of industrial environments, this foot-mount transformer is a standard for powering 24VAC control circuits, including contactors, relays, and building management system (BMS) controllers. Its 75VA power rating provides ample overhead to prevent voltage drops during inrush events, ensuring stable operation for multi-stage air handlers and rooftop units (RTUs).
This unit is UL/CUL recognized (File No. E223730) under the UL 5085 standard, meeting the strict safety requirements for HVAC replacement parts. Note that this is a non-inherently limited transformer, meaning you must integrate secondary fusing to protect the 24V side of the circuit from overcurrent. The rugged foot-mount frame is built for easy installation in tight control cabinets, and its 50/60 Hz compatibility makes it versatile for a variety of commercial HVAC equipment and industrial control panels.
Key Benefits for Technicians:
- High Output Capacity: The 75VA rating provides significant power for complex circuits without the risk of logic board resets.
- Secure Foot Mounting: Features a robust base for stable, vibration-resistant installation in air handlers and furnaces.
- Industry Compliance: UL/CUL recognized safety standards ensure this Hartland Controls transformer meets code in industrial settings.
- Universal 277V Application: Optimized for commercial lighting circuits and industrial facilities running on 277V mains.
- OEM Reliability: Genuine HCT-03J2BB07 part ensures precise electrical characteristics and physical dimensions for direct replacements.
Common Questions:
Does this transformer require an external fuse?
Yes. Because it is non-inherently limited, you must install a secondary fuse (typically a 3A or 4A automotive-style or midget fuse) to protect the downstream 24V components.
Can I use this for 208V or 240V systems?
No. This specific model is designed for a 277V primary input. Using it on lower voltages will result in insufficient secondary output, which can damage contactors and control boards.
What is the maximum current output for the 24V side?
With a 75VA rating at 24V, this transformer provides approximately 3.13 Amps, making it suitable for larger HVAC systems with multiple solenoid valves or relays.
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
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Description
As a veteran HVAC technician, I know that reliable control power is the backbone of any commercial system. The Hartland Controls HCT-03J2BB07 Transformer is a heavy-duty, 75VA solution designed for stepping down 277V primary power to 24V secondary circuits. Engineered for the rigors of industrial environments, this foot-mount transformer is a standard for powering 24VAC control circuits, including contactors, relays, and building management system (BMS) controllers. Its 75VA power rating provides ample overhead to prevent voltage drops during inrush events, ensuring stable operation for multi-stage air handlers and rooftop units (RTUs).
This unit is UL/CUL recognized (File No. E223730) under the UL 5085 standard, meeting the strict safety requirements for HVAC replacement parts. Note that this is a non-inherently limited transformer, meaning you must integrate secondary fusing to protect the 24V side of the circuit from overcurrent. The rugged foot-mount frame is built for easy installation in tight control cabinets, and its 50/60 Hz compatibility makes it versatile for a variety of commercial HVAC equipment and industrial control panels.
Key Benefits for Technicians:
- High Output Capacity: The 75VA rating provides significant power for complex circuits without the risk of logic board resets.
- Secure Foot Mounting: Features a robust base for stable, vibration-resistant installation in air handlers and furnaces.
- Industry Compliance: UL/CUL recognized safety standards ensure this Hartland Controls transformer meets code in industrial settings.
- Universal 277V Application: Optimized for commercial lighting circuits and industrial facilities running on 277V mains.
- OEM Reliability: Genuine HCT-03J2BB07 part ensures precise electrical characteristics and physical dimensions for direct replacements.
Common Questions:
Does this transformer require an external fuse?
Yes. Because it is non-inherently limited, you must install a secondary fuse (typically a 3A or 4A automotive-style or midget fuse) to protect the downstream 24V components.
Can I use this for 208V or 240V systems?
No. This specific model is designed for a 277V primary input. Using it on lower voltages will result in insufficient secondary output, which can damage contactors and control boards.
What is the maximum current output for the 24V side?
With a 75VA rating at 24V, this transformer provides approximately 3.13 Amps, making it suitable for larger HVAC systems with multiple solenoid valves or relays.
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.
