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Step-Open Functionality: Provides a delayed full-fire sequence for smoother ignition and reduced mechanical stress on the heat exchanger
including the V400A1095 and V400A5005
optimizing energy consumption in fan coil units
making it highly reliable in applications where solid-state electronics might fail
The AFBUP-S is reversible
Functional Devices RIBT243P Relay 340793-762 Step-Open Functionality: Provides a delayedThe Functional Devices RIBT243P is a heavy duty, enclosed power relay designed for demanding BAS, HVAC, and motor control applications. This 20 Amp 3PST relay features three poles with normally open (N O) contacts, making it ideal for simultaneous switching of three phase loads or multiple independent circuits. Designed with high low voltage separation, the internal 24Vac dc coil is safely isolated from the high voltage power contacts, ensuring
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