Robust Construction: Housed within a protective box to safeguard sensitive SPDT switch components from debris and mechanical damage

These parts are functionally identical

For technicians managing refrigerant oil return

Durable Construction: The 180-degree channel head orientation resists soot buildup and optimizes thermal transfer

Manual Reset Mechanism: Ensures the system cannot automatically restart after a safety event

Functional Devices PSH100A Power Supply Els PW 17895 Robust Construction: Housed within aThe Functional Devices PSH100A is a robust 100VA enclosed power supply engineered for demanding building automation and HVAC control applications. Designed to step down 120 VAC to 24 VAC, this Class 2 transformer provides consistent power for controllers, actuators, and sensors requiring precise voltage stability. Housed in a NEMA 1 rated metal enclosure, the PSH100A features a built in circuit breaker that eliminates the need for external fuse