IDEC Relays RH3B-ULAC120V Relay and 243-SR models where a

and 243-SR models where a robust 1-piece clamp is required for the upper housing assembly

preventing ground loops and protecting sensitive controllers from noise or transients on the primary 24V line

protecting the heat exchanger from improper thermal stress

Direct Supercession: Seamlessly replaces the legacy 311100 gasket with updated material specs for improved longevity

The 50+5 uF oval capacitor design ensures a compact footprint for tight control boxes while providing the reliable torque necessary for peak "start and run" efficiency in air conditioners and heat pumps

IDEC Relays RH3B-ULAC120V Relay and 243-SR models where aFor contractors requiring a dependable, high capacity switching solution, the IDEC RH3B ULAC120V is a professional grade 3PDT relay designed for demanding HVACR and industrial control applications. This 120VAC power relay features a robust 10 amp contact rating, providing the necessary overhead for inductive motor loads and heavy duty solenoid cycles without premature pitting. Built into a compact midget housing, it maximizes rail space in crowded