The AT72D1956/U is a 120V power supply from Honeywell Homes (Resideo), designed for 50/60 Hz applications. This model features 9-inch primary and secondary leads that extend through the plate for easy installation. It is engineered for reliability and efficiency, making it suitable for various HVAC applications. The power supply ensures consistent performance and is an essential component for powering HVAC control systems, providing technicians with a dependable solution for their installations.
Residential Comfort/Combustion : Electrical Components : Transformers : AT72 : AT72D1956/U
Multi mounting 120/208/240 Vac Transformer with 9 in. lead wires
Overview
Honeywell 40 VA transformers power 24V systems including thermostats, gas valves and relays.
Features
- Override protection
- Color-coded lead wires for primary connections
- Energy limiting and meets NEMA Standard DC20-1992
- Transformers are marked NEMA Type D enclosure
- Meets NEC Class 2 not wet, Class 3 wet and UL 1585 requirements
Product Specifications
- Dimensions (in.)
- 6 7/16 in. high x 3 in. wide x 2 5/16 in. deep
- Dimensions (mm)
- 164 mm high x 76 mm wide x 67 mm deep
- Temperature Range (F)
- -20 F to +105 F
- Temperature Range (C)
- -29 C to +41 C
- Mounting
- Multi-mounting
- Electrical Ratings
- Primary voltage--120 Vac
- Frequency
- 50 Hz; 60 Hz
- Approvals, Underwriters Laboratories Inc.
- UL Component Recognized.
- Approvals, CSA
- CSA Certified:
- NEMA Rating
- NEMA type D
- Approvals, N.E.C.
- NEC Class 2
- Electrical Connections (Primary)(in.)
- 9 in. leadwires
- Electrical Connections (Primary)(mm)
- 229 mm leadwires
- Electrical Connections (Secondary)(in.)
- (2) screw terminals
- Electrical Connections (Secondary)(mm)
- (2) screw terminals
- Electrical Ratings, Output
- 24 Vac at 40 VA
