PSW-500 OMEGA | Alldatasheet

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Technical content

  • Exceeding these values may cause a shift in the setpoint. Comes complete with operator’s manual. Ordering Example: PSW-525, gage model switch for maximum system pressure of 500 psi. To Order pressure AdjustAble rAnge (psig) deAdbAnd repeAtAbility MAx systeM Models decreAsing i ncreAsing (psig) (psi) pressure (psi)* switcH psw-525 15 to 485 20 to 500 5.0 to 21 ±10 500 1 A psw-534 10 to 222 10 to 250 2.2 to 28 ±10 5000 5 A psw-535 20 to 432 20 to 500 3.5 to 68 ±20 5000 5 A psw-536 50 to 700 100 to 800 20 to 100 ±40 5000 5 A AdjustAble rAnge (inHg) MAx systeM vAcuuM deAdbAnd repeAtAbility pressure s witcH Models decreAsing increAsing (inHg) (inHg) (inHg vac/psig)* Vacuum to 800 psi U external pressure scale and pointer for easy setpoint Adjustments U 5 A Model switches with High proof pressures U 1 A gold-plated switches for ttl and dry-contact closures U stainless steel, sealing compound and/or o-ring wetted parts See Switch Accessories at omega.com for Audible Alarms and Relay Modules. psw-523 both shown actual size. psw-541 PSW-500 Series

shown actual size. psw-571shown actual size. To Order MAx systeM prooF

1 A 5 A AdjustAble rAnge (psig) pressure pressure

Model Model decreAsing increAsing (psig) (psig) psw-561 psw-571 500 to 2390 500 to 2500 3000 4500 psw-562 psw-572 600 to 4500 600 to 5000 5000 7500 psw-563 psw-573 700 to 5500 700 to 6000 6000 9000 caution: Pressure switches are manufactured to the highest-quality specifications. However, because of their economical construction, they should be used only for applications in which, in the event of product failure, the risk of damage to equipment or personnel is minimal. MINIATURE HIGH-PRESSURE SWITCHES U 500 to 6000 psi U 1 A and 5 A switch Models U Heavy-duty overpressure protection noMinAl Model setpoint deAdbAnd repeAtAbility (psi) 1 A/5 A (±psi) psw-561 500 70/120 25 psw-571 1000 80/130 50 1500 90/145 75 2000 100/160 100 2500 110/180 125 psw-562 600 113/186 45 psw-572 1000 145/220 60 1500 190/262 85 2000 235/305 100 2500 280/345 125 3000 325/385 150 3500 364/430 175 4000 410/470 200 5000 410/470 250 psw-563 700 177/455 65 psw-573 1000 210/620 75 1500 247/730 85 2000 300/820 100 3000 315/980 150 4000 340/1000 200 5000 355/1110 250 6000 375/1280 300 * Exceeding these values may cause a shift in the setpoint. psw-560 (1 A) And psw-570 (5 A) series perForMAnce tAble Use gold contacts for dry and TTL circuitry (e.g., 5 Vdc @ 50 mA or less). switcH rAting volts AMps MAx rAting Ac/dc resistive AMps inductive contActs 1 A SPDT 115/28 1/1 1/0.5 Gold**

5 A SPDT 250/28 5/5 5/3 Silver

Approvals: UL (1 A switches PSW-520 and PSW-540 Series only) process temp: -55 to 105°C (-65 to 221°F) [2% setpoint shift can occur below -25°C (-13°F) or above 50°C (122°F)] cycling: Not to exceed 20 cycles/min warranty: 3 year/1 million cycles sensor: Piston (PSW-520 and PSW-540: diaphragm) proof pressure: 150% max system pressure (PSW-530 and PSW-550: proof pressure is the max system pressure) wetted parts: psw-520 and 540 series: 17-7 PH SS, 303 SS and loctite #271 psw-530 and 550 series: 303 SS,

316 SS, Buna-N O-ring, loctite #271

psw-560 and 570 series: 17-7 PH SS, 303 SS, Buna-N O-ring and loctite #271 enclosure: body: 303 SS internal switch Housing and lock ring: Zinc alloy, chromate finish cap: Black Valox dimensions: psw-520 and psw-540: 65 L x 28.6 mm Dia. (2.56 x 1.13") psw-560 and psw-570: 71 L x 27.8 mm Dia. (1.75 x 1.09") pressure port: 1⁄8-27 NPT electrical connection: 20 AWG, 3 polyvinyl-insulated, unjacketed, 300 mm (12") pigtail leads wiring code (pressure): Red = N/C White = N/O Black = Common wiring code (vacuum): Red = N/O White = N/C Black = Common weight: 113 g (4 oz); PSW-520 and PSW-540 Series: 85 g (3 oz)