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the 644 model is rated for dual-frequency 50/60 Hz operation
NEMA 1 Rating: Meets standard requirements for indoor HVAC duct mount sensors while providing protection for internal wiring
The externally equalized design accurately monitors evaporator outlet pressure
Proper heat distribution prevents liquid slugging at startup
and fan coils utilizing standard 24V wiring
Nidec-US Motors D12P2AH Blower Motor 320734-701 the 644 model is ratedThe Nidec US Motors D12P2AH Blower Motor is a rugged, 1 2HP powerhouse engineered for high demand commercial HVACR applications. Operating at a synchronous speed of 1725 RPM, this three phase blower motor supports multi tap voltage configurations, including 208 230 460Vac, ensuring seamless integration into varied electrical infrastructures. Built on a standard 56H NEMA frame size with a rigid mount, it provides the structural stability required for
