PSW-12

Vibration Resistant Switches for Class I Hazardous Locations

3.0

(2)

Compact Stainless Steel Construction
Belleville Technology for Long Life, Vibration Resistance and Stability
Easy Field Setting and Adjustment
SPDT Sealed Switches

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PSW-12

From ^C$ 490.00

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13 Variations available

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Data Sheet

Product Overview

Approvals UL listed, cUL certified; Class I, Groups A, B, C, and D; Class II, Groups E, F, and G; Class III
Control Output SPDT Relay
Deadband Type Fixed
Diameter 1.25 in
Electrical Connection 1/2 NPT male Conduit with Wire Leads
Enclosure Ratings IP66, NEMA Type 4X, NEMA Type 7, NEMA Type 9
Height 4.88 in
Operating Temperature, Max 80 °C
Operating Temperature, Min -50 °C
Operating Temperature Note -50 to 80°C (-58 to 176°F); setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change.
Output Note 5 A @ 250 Vac,5 A Resistive and 3 A Inductive @ 28 Vdc; Silver Contacts
Output Value 5A @ 250 Vac
Pressure Type Gauge
Process Connection Size 1/4 in
Process Connection Type NPT Female
Repeatability ± 1%
Repeatability Note ± 1% of adjustable range
Sensor Type Diaphragm
Shock Setpoint repeats after 75 g, 10 ms duration
Storage Temperature, Max 80 °C
Storage Temperature, Min -50 °C
Switch Note Switch Output: 1 or 2 SPDT, factory sealed lead wires; mechanical contact life: 10 million cycles
Switch Type SPDT NO/NC, Selectable
Vibration Setpoint repeats after 15 g, 10 to 2000 Hz
Weight 12 oz
Wiring/Connector Table Red - N/C, Blue - N/O, Brown - Common, Green - Ground

OMEGA'S PSW12 offers reliability, repeatability and durability in a compact design. This switch is rack mountable and has an accessible adjustment when installed. Snap-Action Belleville spring design contributes to a long stable life and vibration resistance. An optional mounting bracket provides easy retrofit, and an optional cover lock adds security. Ranges are from 8 to 6000 psi (0.6 to 414 bar).

SPECIFICATIONS
Approval: UL listed, cUL certified; Class I, Groups ABCD; Class II, Groups EFG: Class III
Storage Temperature: -50°C to 95°C (-58°F to 203°F)
Process Temperature: Stainless Steel Diaphragm: -17 to 160°C (0 to 320°F) Polyimide Diaphragm: -28 to 93°C (-20 to 200°F)
Ambient Temperature: -50 to 80°C (-58 to 176°F). Setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change.
Shock: Setpoint repeats after 75 g, 10 ms duration
Vibration: Setpoint repeats after 15 g, 10-2000 Hz
Enclosure: 300 series stainless steel
Setpoint Repeatability: ± 1% of adjustable range
Switch Output: One or two SPDT, factory sealed leadwires.
Mechanical contact life: 10 million cycles.
Electrical Ratings: 5 amps @ 250 Vac, 5 amp resistive and 3 amps inductive @ 28 Vdc. Silver contacts
Enclosure: 300 stainless steel; NEMA-4X, -7, -9 and IP66
Weight: Approximately 0.34 kg (12 oz)
Electrical Connection: 1/2 NPT (male) with 1.8 m (72') lead wires.
Pressure Connection: 1/4 NPT (Female), 316 SS

PDFs & Manuals

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