[VARIOUS APPLICATION] These Pressure Switches are designed for 5 reciprocating air compressor, including models 2340L5/N5/D5-V Three Phase, 2475N5/D5-V, 2475N5/D5-P, 2475N7.5/D7.5-V, 2475N7.5/D7.5-P, 2545E10/K10-V, 2545E10/K10-, 7100E15-V, and 7100E15- models. [WHEN TO REPLACE]The pressure switch will often need to be replaced if the compressor does not turn on at the lower setpoint or does not turn off at the upper pressure setpoint causing the safety valve on the tank to . [SPECS]The pre-set cut-in pressure is 135 psi and the cut-off pressure is 175 psi. Come with unloader valve & 4 port manifold. [HIGH TENSILE STRUCTURE]These switches are made from premium steel & aluminum, rust-resistant, -resistant. Designed using state-of-the-art technology with the client in mind. It will meet your needs and provide excellent quality at an affordable cost. Colour:Black & Silver Material:ABS+Metal Package Contents: 1x Pressure Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.