Resideo - Honeywell Home AT140A1018 General Purpose Transformer

General Purpose Transformer for HVAC and control applications, the Resideo Honeywell Home AT140A1018 delivers stable 24 V AC power from 120/208/240 V AC input. This 60 Hz transformer provides 40 VA to support relays, thermostats, and control boards in residential or commercial settings. UL and CSA listed for safety, it combines reliability with compact dimensions and flexible mounting options.

Designed for versatility, it features a metal end bell and color-coded leadwires for easy wiring, plus a fixed 1/4 inch male quick connect. The unit measures 3-3/16 in H x 2-3/8 in W x 3-1/8 in D and weighs 2.0 lb, making it suitable for panel, foot, plate, or clamp mounting.

• Primary voltage: 120/208/240 VAC
• Secondary voltage: 24 VAC
• Power rating: 40 VA at 24 VAC
• Frequency: 60 Hz
• Temperature rise: -20 to 105 °F
• Dimensions: 3-3/16" H x 2-3/8" W x 3-1/8" D
• Weight: 2.0 lb
• Mounting: Foot/Plate/Clamp/Panel Mount
• Approvals: UL, CSA
• Includes: Metal End Bell, Fixed 1/4" Male Quick Connect / Color-Coded Leadwire

Ideal for general-purpose power needs in HVAC controls and low-voltage installations.