Resideo AT72D1725 Multi Mount Transformer, 40VA, 120 VAC

Resideo AT72D1725 Multi Mount Transformer, 40VA, 120 VAC.

Resideo AT72 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