TE Connectivity PRD-11AY0-120 Relay R-410A Why is a crankcase heater

Why is a crankcase heater necessary for heat pumps

this specific model (TEX 2) is balanced for R22 and R407C

extending the operational life of the internal windings

ensuring consistent performance across varying climate conditions

The assembly centers on a Buna/Ceramic mechanical seal (SJB-2122 equivalent) that provides exceptional fluid containment and pressure stability

TE Connectivity PRD-11AY0-120 Relay R-410A Why is a crankcase heaterThe TE Connectivity PRD 11AY0 120 is a heavy duty DPDT power relay designed for demanding HVACR and industrial motor control applications. Engineered for high inrush loads, this Potter & Brumfield PRD series relay features a 120VAC coil and robust 25A silver contacts capable of switching up to 600VAC. The open power relay design facilitates superior heat dissipation during continuous operation, while the dual pole, double throw configuration provides