The Schneider Electric (Square D) 8910DPA43V09 Contactor is a heavy-duty 3-pole definite purpose contactor engineered for demanding HVACR applications

Compact 2x2 inch footprint with a single-hole mount ensures easy installation in crowded electrical panels

including the 27W model

preventing hunting and improving overall evaporator efficiency

Key Benefits Universal Compatibility: Serves as a direct replacement for 30686409-004 and JC-5310 pneumatic gauges

Ranco O12-1549 Pressure Control Els PW 17895 The Schneider Electric (Square D)The Ranco O12 1549 Dual Pressure Control is a versatile, commercial grade safety and operational switch designed for HVACR refrigeration units. This dual function control manages both low pressure cut out and high pressure safety limits within a single NEMA 1 enclosure. The low pressure side features a range of 10" Hg to 100 PSI with an adjustable differential of 10 to 40 PSI, while the high pressure side operates from 150 to 450 PSI with a fixed 65