PS71 - General Purpose Mini Pressure Switches 10 to 5000 psi (0.7 to 344 bar) These versatile general purpose switches with snap action microswitches can be used in a wide range of hydraulic and pneumatic applications. Their proven piston/ diaphragm design offers outstanding accuracy over a very wide pressure range with an outstanding 6000 psi proof pressure. Their modular construction allows Gems to offer a large number of standard pressure fittings in two materials as well as numerous electrical ratings and terminations. Users can easily configure this model to meet their needs. Specifications Dimensions SPST; SPDT See Table 1 DIN 43650A with Cable Clamp Nitrile (optional EPDM, Viton(R) or Neoprene) Zinc-Plated Steel (Optional 316 SS) DIN 43650A IP65; Spade Terminals IP00; Flying Leads IP65; Conduit with Flying Leads IP65; IP option IP66 6000 psi (414 bar) 9000 psi (621 bar) CE, UL Approved units available 0.4 lbs. (0.15 kg) Proof Pressure Burst Pressure Approvals Weight, Approximate B Switch Repeatability Wetted Parts Diaphragm Fitting Electrical Termination 2.20 (56) 2.87 (73) Flying Lead Recommended Operating Temperature Limits Options Selected No option, -10A, -SP or -RD -RD or -RD and -G -SP or -10A Nitrile 15F to 185F (-9C to +85C) 15F to 250F (-9C to +121C) 15F to 212F (-9C to +100C) Viton(R) 0F to 185F (-18C to +85C) 0F to 250F (-18C to +121C) 0F to 212F (-18C to +100C) EPDM -10F to +185F (-23C to +85C) -10F to +250F (-23C to +121C) -10F to +212F (-23C to +100C) Neoprene -10F to +185F (-23C to +85C) -10F to +250F (-23C to +121C) -10F to +212F (-23C to +100C) Diaphragm Material SPDT Shown ADJUSTMENT SCREW UNDER CAP SCREW 1.84 (47) RED, NO. GREEN, NC. BLACK, COM. IP66 Option o1.25 (o32) 2.45 (62) PRESSURE SWITCHES Note: Switches may function below the cold temperature limit but the set points and deadband will increase. Consult factory for details. Right Angle DIN 43650A with Cable Clamp Electrical Switch Ratings Options Selected No option or -RD -G only or -RD with -G -10A only or -SP without -G -SP with -G AC DC 5 amps @ 125/250 Volts 5 amps resistive, 3 amps inductive @ 28 Volts 1 amp @ 125 Volts 1 amp resistive, 0.5 amp inductive @ 28 Volts 10.1 amps @ 125/250 Volts -- 2 amps @ 125/250 Volts -- OPTIONAL PORT THREAD SIZES SEE ORDERING DATA 2.80 (71) 1.75 (38) 2.36 (60) ADJUSTMENT SCREW UNDER CAP SCREW I-17 Visit www.GemsSensors.com for most current information. 1-1/8 AF (28) PS71 Series / p1of2 / 07-MAY-14 MINIATURE How To Order Use the Bold characters from the chart below to construct a product code. Please reference Notes. 1 1 Pressure Range Code Insert Pressure Range Code from Table 1, below. 2 Pressure Fitting1 12L14 Zinc-Plated Steel -2MNZ = 1/8 NPTM -4MNZ = 1/4 NPTM -8MNZ = 1/2 NPTM -2MGZ = 1/8 BSPM (G type) -4MGZ = 1/4 BSPM (G type) -4MSZ = 7/16-20 SAE Male -6MSZ = 9/16-18 SAE Male -M10Z = M10 x 1.0, Straight -M12Z = M12 x 1.5, Straight -M14Z = M14 x 1.5, Straight 316 Stainless Steel -2MNS = 1/8 NPTM -4MNS = 1/4 NPTM -2MGS = 1/8 BSPM (G type) -4MGS = 1/4 BSPM (G type) 3 Circuit -A = SPST/N.O. -B = SPST/N.C. -C = SPDT 4 Electrical Termination -SP = Spade Terminals2 -FLXX = Flying Leads3 -FLSXX = Flying Leads w/PVC Shrink Tubing3 -ELXX = 1/2 NPT Male Conduit w/Flying Leads4 -CABXX = 18 AWG PVC Cable5 -H = DIN 43650A Male Half Only6 -HR = Right Angle DIN 43650A Male Half Only6 -HC = DIN 43650A 9mm Cable Clamp6 -HCR = Right Angle DIN 43650A 9mm Cable Clamp6 -HN = DIN 43650A with 1/2 Female NPT Conduit6 -HNR = Right Angle DIN 43650A with 1/2 Female NPT Conduit6 2 3 -H 4 -XX -XXXX 5 6 5 Options7 -V = Viton(R) Diaphragm -E = EPDM Diaphragm -N = Neoprene Diaphragm -10A = 10A @ 125/250 VAC Max. Rating -G = Gold Contacts (for loads less than 12 mA @ 12 VDC) -RD = Reduced Differential (25% reduction typical) -IP = Ingress Protection8 -OF = Oil Free Cleaned9 -R = Restrictor (low damping coefficient) Brass -SR = Spiral Restrictor (high damping coefficient) 300 Series Stainless Steel10 -WF = Weather Pack Connector, Female -WM = Weather Pack Connector, Male -DE = Deutsch Connector, Male, DT04 Series 6 Fixed Set Point (optional) A. Specify set point -FS (in PSI or BAR, see example)11 B. Set Point Actuation R on Rising Pressure F on Falling Pressure Example: -FS2BARF for 2 BAR Falling or -FS20PSIR for 20 PSI Rising Notes: 1. Other fittings available. Consult factory. 2. 20% increase in deadband typical. 3. 18 is standard. Specify lead length in inches (max. 48). e.g. -FL18 or -FLS30. 4. 18 is standard. Specify lead length in inches (max. 48). e.g. -EL18 or -EL30. 5. 36 is minimum. Specify cable length in inches. e.g. -CAB36 or -CAB120. 6. DIN connectors require -C SPDT circuit. 7. Options -10A, -G or -RD cannot be combined. 8. Ingress Protection is available only with -FL, -FLS or -CAB Electrical Termination choices. Ingress Protection requires Fixed Set Point -FS. 9. Requires stainless steel housing. 10. -SR will result in wider deadbands and slower response time. 11. Set Point must be within Pressure Range selected in Step 1. Table 1 -- Pressure Range Codes Pressure Range Code Pressure Range Accuracy* Average Deadband** 10 10-30 psi (0.7-2.1 bar) 1.5 psi (0.103 bar) +2% of setting 3.5 psi (0.28 bar) +11% of setting 20 25-75 psi (1.7-5.2 bar) 2.5 psi (0.172 bar) +2% of setting 3.5 psi (0.28 bar) +11% of setting 30 65-300 psi (4.5-20.7 bar) 5.0 psi (0.345 bar) +2% of setting 20 psig (1.38 bar) +11% of setting 40 250-1000 psi (17.2-69.0 bar) 15 psi (1.03 bar) +2% of setting 45 psig (3.10 bar) +12% of setting 50 1000-3000 psi (69-206.8 bar) 30 psi (2.06 bar) +3% of setting 70 psig (4.83 bar) +12% of setting 60 2500-5000 psi (172.4-344.7 bar) 50 psi (3.45 bar) +4% of setting 140 psi (9.65 bar) +13% of setting PRESSURE SWITCHES PS71 -10 -4MNZ -C * Accuracy and set point of units may change due to the effects of temperature. ** These numbers are for the standard microswitch. With either the -SP or -10A option, the values are typically 20% greater than those listed. With the -RD option, the values will be typically 25% less than those listed. In certain applications deadband can be tailored and controlled to customer specifications. Consult factory for details. PS71 Series / p2of2 / 07-MAY-14 Visit www.GemsSensors.com for most current information. I-18