PSW27

PSW27, PSW28, PSW29 Series Pressure & vacuum switches Compact, rugged, pre-fixed setpoint INSTRUCTION SHEET M4070-0504 Shop online at: omega.com e-mail: [email protected] For latest product manuals: omegamanual.info Installation instructions for OMEGA PSW27, PSW28 & PSW29 Series: Pressure and vacuum switches, compact, rugged, pre-fixed setpoint. General These reliable, compact single pole switches are used in pressure and vacuum applications where moderate accuracy is sufficient. The fixed setpoint is factory set. Additional Information Temperature Range: -10 to 75°C (14 to 167°F) Setpoint Accuracy: +/- 10% at 70°F. Note: pressure settings may change over the temperature range. Pressure Connection: PSW27: 1/8" NPT male. PSW28: Center spout for 1/8" ID tubing. Provided with 9/16-18 mounting nut. PSW29: Radial spout for 1/8" ID tubing. Approvals: UL recognized, CSA certified, microswitches bear the ENEC & CE Mark. PSW27 Series Mounting Instructions PSW27 series come with a 1/8 NPT male pressure connection with a 9/16 threaded mounting, and nut is included. Electrical/Pneumatic Specification for PSW27 Series Pressure Switches Model No. Fixed Setpoint Proof Pressure SPDT Switch Rating PSW27-1P 1 psig 30 psig 10 amps (resistive) PSW27-2P 2 psig 50 psig 21 amps (resistive) PSW27-5P 5 psig 50 psig 21 amps (resistive) PSW27-10P 10 psig 50 psig 21 amps (resistive) PSW27-20P 20 psig 50 psig 21 amps (resistive) PSW27-30P 30 psig 80 psig 21 amps (resistive) ...