The Honeywell/Resideo AT72D1188 Transformer is a reliable, multi-voltage step-down transformer designed for control circuits in heating and cooling systems. With a primary voltage range of 120/208/240 VAC and a 24 VAC, 40VA secondary output, this UL-listed transformer is perfect for thermostats, relays, zone valves, and other low-voltage HVAC applications.
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
