Resideo - Honeywell Home AT87A1106 Transformer

The AT87A1106 Transformer from Resideo - Honeywell Home delivers reliable 24 Volt AC power for residential control systems. It accepts a primary voltage of 120/208/240 VAC and provides a stable 24 VAC secondary, ensuring consistent control signals and dependable operation.

This compact unit is designed for residential combustion control systems and supports a UL listed, CSA approved build with a rugged NEMA Type E enclosure. It offers 48 VA of power at 50/60 Hz, with a safe temperature rise of -20 to 105°F, and a compact footprint for space-constrained installations. Built-in protection guards against primary winding burnout, while flexible mounting options simplify installation.

• Primary voltage: 120/208/240 VAC
• Secondary voltage: 24 VAC
• Frequency: 50/60 Hz
• Power rating: 48 VA
• Temperature rise: -20 to 105°F
• Enclosure: NEMA Type E; UL listed, CSA approved
• Mounting: Foot mounted or 4 Inch x 4 Inch Plate
• Protection: Built-in protection, primary winding burnout
• Application: Residential combustion control system
• Dimensions: 2-7/32 Inch Width x 2-1/4 Inch Depth x 2-15/16 Inch Height