PS31/PS51 - Kapton® Diaphragm OEM Subminiature Pressure Switch 5 to 300 psi (0.345 to 20 bar) Ideal for Low Temperature Pneumatic Applications Adjustable or Factory Set These compact pressure switches are designed for OEM applications. Made economical with metal blade contacts in lieu of microswitches, these switches feature Kapton® diaphragms. Kapton® polyimide maintains excellent physical properties over a wide temperature range. It also offers superb chemical resistance and has no known organic solvents. The PS31 and PS51 share identical construction and envelope dimensions, with the PS51 Series providing higher pressure ranges. Dimensions 1/4˝ Spades Flying Leads with IP Option Specifications Operating Temperature Switch* Repeatability Wetted Parts Diaphragm O-Ring Fitting Electrical Termination Deadband Proof Pressure Burst Pressure Approvals Weight, Approximate -40°F to +230°F (-40°C to +110°C) 100 VA Max. See Table 1 0.54˝ (14) Teflon Coated Kapton (Solid Teflon Available) Nitrile (Std.) Consult factory for other materials Brass (optional 316 Stainless Steel) Exposed Terminals IP00; IP option IP66 See Table 1 500 psi (35 bar) 1000 psi (69 bar) CE (limits switch voltage to 42 VDC) Brass: 0.14 lbs. (0.06 kg) ® ® * Gold contacts (option G) may be required for less than 12 VDC and 20 mA. ® HEX HEAD ADJUSTMENT SCREW 15/16˝ AF. (24) 1.120˝ (29) 1.85˝ (47) 0.36˝ (9.07) 1.58˝ (40.16) 1.51˝ (38.30) HEX 15/16˝ (24) PRESSURE PORT ø0.80˝ (ø20) PRESSURE SWITCHES I-11 Visit www.GemsSensors.com for most current information. PS31/51 Series / p1of2 / 07-MAY-14http://www.GemsSensors.com