Functional Devices TR40VA040 Transformer
The Functional Devices TR40VA040 is a versatile 40VA multi-tap transformer designed for reliable 24VAC control voltage delivery in HVAC systems and building automation. Engineered to handle input voltages of 120VAC, 208VAC, or 240VAC, this Class 2 power source simplifies inventory by replacing multiple single-voltage units. Its thermal fuse over-current protection ensures circuit integrity by preventing damage during secondary shorts or overload conditions. Designed for rugged field use, it features both foot mounting and a single threaded hub for flexible installation in junction boxes or control panels. This multi-tap control transformer is a staple for powering thermostats, contactors, and relays, offering a stable secondary output under varying load conditions. The high-quality copper windings reduce heat dissipation, maintaining efficiency during continuous operation in demanding commercial and industrial environments.
Key Benefits
- Versatile Voltage Input: Supports 120/208/240VAC primary taps for compatibility across diverse job sites.
- Integrated Safety: Built-in thermal fuse protection prevents transformer failure during electrical faults.
- Dual Mounting Options: Includes foot mount for flat surfaces and a threaded hub for secure knockout installation.
- Reliable Power Rating: Rated at 40VA, providing sufficient amperage for modern HVAC controls and electronic accessories.
- Compact Footprint: Efficient design fits into tight electrical enclosures without compromising cooling.
Common Questions
How do I select the correct primary lead for my application?
Capping off unused primary wires is critical; connect the common wire and the specific color lead matching your field voltage (120V, 208V, or 240V) to prevent internal shorts.
Can this transformer be used to power multiple HVAC accessories?
As long as the total load does not exceed 40VA (approximately 1.67 Amps at 24VAC), it can power multiple components like zone valves and Wi-Fi thermostats simultaneously.
What happens if the thermal fuse trips?
The TR40VA040 utilizes a non-resettable thermal fuse for safety. If the fuse blows due to an over-current event, the unit must be replaced after the circuit fault is identified and corrected.
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.
Functional Devices TR40VA040 Transformer
The Functional Devices TR40VA040 is a versatile 40VA multi-tap transformer designed for reliable 24VAC control voltage delivery in HVAC systems and building automation. Engineered to handle input voltages of 120VAC, 208VAC, or 240VAC, this Class 2 power source simplifies inventory by replacing multiple single-voltage units. Its thermal fuse over-current protection ensures circuit integrity by preventing damage during secondary shorts or overload conditions. Designed for rugged field use, it features both foot mounting and a single threaded hub for flexible installation in junction boxes or control panels. This multi-tap control transformer is a staple for powering thermostats, contactors, and relays, offering a stable secondary output under varying load conditions. The high-quality copper windings reduce heat dissipation, maintaining efficiency during continuous operation in demanding commercial and industrial environments.
Key Benefits
- Versatile Voltage Input: Supports 120/208/240VAC primary taps for compatibility across diverse job sites.
- Integrated Safety: Built-in thermal fuse protection prevents transformer failure during electrical faults.
- Dual Mounting Options: Includes foot mount for flat surfaces and a threaded hub for secure knockout installation.
- Reliable Power Rating: Rated at 40VA, providing sufficient amperage for modern HVAC controls and electronic accessories.
- Compact Footprint: Efficient design fits into tight electrical enclosures without compromising cooling.
Common Questions
How do I select the correct primary lead for my application?
Capping off unused primary wires is critical; connect the common wire and the specific color lead matching your field voltage (120V, 208V, or 240V) to prevent internal shorts.
Can this transformer be used to power multiple HVAC accessories?
As long as the total load does not exceed 40VA (approximately 1.67 Amps at 24VAC), it can power multiple components like zone valves and Wi-Fi thermostats simultaneously.
What happens if the thermal fuse trips?
The TR40VA040 utilizes a non-resettable thermal fuse for safety. If the fuse blows due to an over-current event, the unit must be replaced after the circuit fault is identified and corrected.
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
The Functional Devices TR40VA040 is a versatile 40VA multi-tap transformer designed for reliable 24VAC control voltage delivery in HVAC systems and building automation. Engineered to handle input voltages of 120VAC, 208VAC, or 240VAC, this Class 2 power source simplifies inventory by replacing multiple single-voltage units. Its thermal fuse over-current protection ensures circuit integrity by preventing damage during secondary shorts or overload conditions. Designed for rugged field use, it features both foot mounting and a single threaded hub for flexible installation in junction boxes or control panels. This multi-tap control transformer is a staple for powering thermostats, contactors, and relays, offering a stable secondary output under varying load conditions. The high-quality copper windings reduce heat dissipation, maintaining efficiency during continuous operation in demanding commercial and industrial environments.
Key Benefits
- Versatile Voltage Input: Supports 120/208/240VAC primary taps for compatibility across diverse job sites.
- Integrated Safety: Built-in thermal fuse protection prevents transformer failure during electrical faults.
- Dual Mounting Options: Includes foot mount for flat surfaces and a threaded hub for secure knockout installation.
- Reliable Power Rating: Rated at 40VA, providing sufficient amperage for modern HVAC controls and electronic accessories.
- Compact Footprint: Efficient design fits into tight electrical enclosures without compromising cooling.
Common Questions
How do I select the correct primary lead for my application?
Capping off unused primary wires is critical; connect the common wire and the specific color lead matching your field voltage (120V, 208V, or 240V) to prevent internal shorts.
Can this transformer be used to power multiple HVAC accessories?
As long as the total load does not exceed 40VA (approximately 1.67 Amps at 24VAC), it can power multiple components like zone valves and Wi-Fi thermostats simultaneously.
What happens if the thermal fuse trips?
The TR40VA040 utilizes a non-resettable thermal fuse for safety. If the fuse blows due to an over-current event, the unit must be replaced after the circuit fault is identified and corrected.
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.
