PSW27, PSW28, PSW29 Series
Pressure & vacuum switches Compact, rugged, pre-fixed setpoint
INSTRUCTION SHEET
M4070-0504...
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)
...