Resideo AT175A1008 Transformer
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Resideo AT175A1008 Transformer

Resideo AT175A1008 Transformer

The Resideo AT175A1008 is a heavy-duty, multi-tap 75VA HVAC transformer engineered for reliable 24Vac power distribution in commercial and industrial control circuits. Built to handle the demands of multi-zone hydronic systems, large air handlers, and complex relay logic, this NEMA Type E rated component features a versatile primary compatible with 120V, 208V, and 240V inputs. The unit provides a stable 27.5 V.O.C. secondary output, ensuring consistent performance even under uniform, predictable loads. For simplified field integration, it utilizes 9-inch color-coded lead wires for primary connections and secondary screw terminals, supplemented by fixed 1/4-inch male quick-connects. The inclusion of metal end bells protects the internal windings from mechanical damage and environmental debris, while the multi-option mounting frame allows for versatile foot, plate, or panel mount configurations. Compliant with UL 1585 and NEC Class 2 (not wet) standards, this Resideo transformer is a standard-issue replacement for maintaining system integrity in high-demand HVACR environments.

Key Benefits
  • Multi-Tap Primary: Supports 120V, 208V, and 240V, reducing the number of truck-stock SKUs required for field service.
  • Enhanced Power Capacity: The 75VA rating provides significant headroom for systems driving multiple zone valves, contactors, and high-draw controllers.
  • Robust Protection: Integrated metal end bells and a heavy-duty frame withstand high-vibration and industrial cabinet environments.
  • Flexible Mounting: Fully compatible with 2x4 inch and 4x4 inch outlet boxes, panel knockouts, or standard foot-mount placement.
  • Standard Compliance: Meets UL 1585 (Class 2) specifications for safety and predictable thermal performance.
Common Questions

Can the AT175A1008 replace a lower VA rated transformer?
Yes, this 75VA unit can safely replace transformers with lower ratings, such as 40VA or 50VA, provided the primary and secondary voltage requirements match. It offers more available current for the control circuit.

What are the secondary connection options?
The secondary side features both standard screw terminals and 1/4-inch male quick-connect terminals, allowing for secure pigtail or spade-terminal connections depending on the existing harness.

Is this transformer suitable for wet environments?
It is identified as Class 2 "not wet." While it is robust, it should be installed within a protective NEMA-rated enclosure if there is any risk of direct moisture exposure.

This item is not eligible for free shipping.

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.

$19.69

Original: $56.25

-65%
Resideo AT175A1008 Transformer

$56.25

$19.69

Resideo AT175A1008 Transformer

The Resideo AT175A1008 is a heavy-duty, multi-tap 75VA HVAC transformer engineered for reliable 24Vac power distribution in commercial and industrial control circuits. Built to handle the demands of multi-zone hydronic systems, large air handlers, and complex relay logic, this NEMA Type E rated component features a versatile primary compatible with 120V, 208V, and 240V inputs. The unit provides a stable 27.5 V.O.C. secondary output, ensuring consistent performance even under uniform, predictable loads. For simplified field integration, it utilizes 9-inch color-coded lead wires for primary connections and secondary screw terminals, supplemented by fixed 1/4-inch male quick-connects. The inclusion of metal end bells protects the internal windings from mechanical damage and environmental debris, while the multi-option mounting frame allows for versatile foot, plate, or panel mount configurations. Compliant with UL 1585 and NEC Class 2 (not wet) standards, this Resideo transformer is a standard-issue replacement for maintaining system integrity in high-demand HVACR environments.

Key Benefits
  • Multi-Tap Primary: Supports 120V, 208V, and 240V, reducing the number of truck-stock SKUs required for field service.
  • Enhanced Power Capacity: The 75VA rating provides significant headroom for systems driving multiple zone valves, contactors, and high-draw controllers.
  • Robust Protection: Integrated metal end bells and a heavy-duty frame withstand high-vibration and industrial cabinet environments.
  • Flexible Mounting: Fully compatible with 2x4 inch and 4x4 inch outlet boxes, panel knockouts, or standard foot-mount placement.
  • Standard Compliance: Meets UL 1585 (Class 2) specifications for safety and predictable thermal performance.
Common Questions

Can the AT175A1008 replace a lower VA rated transformer?
Yes, this 75VA unit can safely replace transformers with lower ratings, such as 40VA or 50VA, provided the primary and secondary voltage requirements match. It offers more available current for the control circuit.

What are the secondary connection options?
The secondary side features both standard screw terminals and 1/4-inch male quick-connect terminals, allowing for secure pigtail or spade-terminal connections depending on the existing harness.

Is this transformer suitable for wet environments?
It is identified as Class 2 "not wet." While it is robust, it should be installed within a protective NEMA-rated enclosure if there is any risk of direct moisture exposure.

This item is not eligible for free shipping.

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

Shipping & Returns

Description

The Resideo AT175A1008 is a heavy-duty, multi-tap 75VA HVAC transformer engineered for reliable 24Vac power distribution in commercial and industrial control circuits. Built to handle the demands of multi-zone hydronic systems, large air handlers, and complex relay logic, this NEMA Type E rated component features a versatile primary compatible with 120V, 208V, and 240V inputs. The unit provides a stable 27.5 V.O.C. secondary output, ensuring consistent performance even under uniform, predictable loads. For simplified field integration, it utilizes 9-inch color-coded lead wires for primary connections and secondary screw terminals, supplemented by fixed 1/4-inch male quick-connects. The inclusion of metal end bells protects the internal windings from mechanical damage and environmental debris, while the multi-option mounting frame allows for versatile foot, plate, or panel mount configurations. Compliant with UL 1585 and NEC Class 2 (not wet) standards, this Resideo transformer is a standard-issue replacement for maintaining system integrity in high-demand HVACR environments.

Key Benefits
  • Multi-Tap Primary: Supports 120V, 208V, and 240V, reducing the number of truck-stock SKUs required for field service.
  • Enhanced Power Capacity: The 75VA rating provides significant headroom for systems driving multiple zone valves, contactors, and high-draw controllers.
  • Robust Protection: Integrated metal end bells and a heavy-duty frame withstand high-vibration and industrial cabinet environments.
  • Flexible Mounting: Fully compatible with 2x4 inch and 4x4 inch outlet boxes, panel knockouts, or standard foot-mount placement.
  • Standard Compliance: Meets UL 1585 (Class 2) specifications for safety and predictable thermal performance.
Common Questions

Can the AT175A1008 replace a lower VA rated transformer?
Yes, this 75VA unit can safely replace transformers with lower ratings, such as 40VA or 50VA, provided the primary and secondary voltage requirements match. It offers more available current for the control circuit.

What are the secondary connection options?
The secondary side features both standard screw terminals and 1/4-inch male quick-connect terminals, allowing for secure pigtail or spade-terminal connections depending on the existing harness.

Is this transformer suitable for wet environments?
It is identified as Class 2 "not wet." While it is robust, it should be installed within a protective NEMA-rated enclosure if there is any risk of direct moisture exposure.

This item is not eligible for free shipping.

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.

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