IDEC Relays RH4B-ULAC24V Relay R-407C or extensive DDC controller networks

or extensive DDC controller networks where standard 40VA or 75VA transformers fall short

it ensures optimal superheat maintenance and peak efficiency in residential and light commercial cooling configurations

this direct replacement housing ensures the system meets factory exhaust specifications and operational pressure requirements

Environmental Protection: The potted design seals internal components against extreme vibration

With a robust differential range of 15 to 73 psig

IDEC Relays RH4B-ULAC24V Relay R-407C or extensive DDC controller networksThe IDEC RH4B ULAC24V is a heavy duty, 4PDT relay designed for demanding industrial and HVACR control circuits. As a staple in the IDEC RH Series, this compact power relay delivers a robust 10A contact rating, making it a reliable choice for switching multiple loads simultaneously in tight control panels. Featuring silver cadmium oxide contacts (AgCdO), this unit is engineered to reduce voltage arcing and provide a mechanical life of up to 50 million