Heavy Duty "Division 1" Industrial Pressure Switches

PSW-400

^£705.03 PSW-404

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Dual Chamber Design Isolates Electronics from Pressure Media
Heavy Duty Cast Aluminum with Corrosion-Resistant Epoxy Coating
Meets NEMA-7 and -9 Classifications
Gasketed Covers
Tamper/Vibration Resistant Setpoint Adjustment
Surface and Mounting Bracket Standard

Description

Designed for applications in hazardous atmospheres, PSW-400 Series Pressure Switches offer complete reliability due to a rugged, die-cast aluminum enclosure with waterproof gaskets and two separate chambers for electronics and actuator. Single or dual setpoints are available, with all critical parts made of stainless steel. In addition, the PSW-400 Series employs vibration-resistant setpoints and a calibrated scale.

SPECIFICATIONS
Approval: UL listed, Class I, Divisions 1 and 2, Groups B, C, D. Class II, Divisions 1 and 2, Groups E, F, G CSA certified
Storage Temp.: -29 to 65°C (-20 to 150°F)
Ambient Temp. Limits: -29 to 65°C (-20 to 150°F)
Process Temp. Limits:
SS: 149°C (300°F)
Buna-N: 65°C (150°F)
Enclosure Classification: NEMA-7, -9 hazardous location, explosion proof, dust ignition proof
Setpoint Repeatability: ±1% of range
Switch Output: 1 or 2 SPDT switch can be wired "normally open" or "normally closed"
Electrical Rating: 10 A: 125/250 Vac; 0.5 A: 125 Vdc; 0.25 A: 250 Vdc; 15 A: 125/250 Vac. Optional hermetically sealed 5 A: 125/250 Vac
Enclosure: Dual chamber epoxy-coated cast aluminum, gasketed
Electrical Connection: 2 ea. 3/4 NPT electrical conduit hubs
Pressure Connection: 1/4 NPT female; vacuum to 600 psi; 1/2 NPT; Male 1/4 NPT female for 1000 to 3000 psi
Connection Material: Vacuum thru inches H₂O ranges; carbon steel All psi ranges; 316 SS
Dimensions: psi ranges: 206 (max) H x 140 W x 70 mm D (from Center line) (7.1 H x 5.5 W x 2.8" D from Center Line) inH₂O ranges: W & D = 140 mm (5.5")
Weight: 2.7 kg (6 lb)

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

Dual Setpoint, Adjustable Deadband, Buna-N Diaphragm, 1/4 FNPT Connection

Dual Setpoint, Fixed Deadband, Buna-N Diaphragm, 1/4 FNPT Connection

Dual Setpoint, Fixed Deadband, 316 SS Diaphragm, 1/4 FNPT Connection

† All amounts shown in EUR, GBP, or USD
Ordering Example: (1) PSW-407 is a 20-100 psi single setpoint switch with adjustable deadband, Buna-N diaphragm and O-ring and a 10 Amp SPDT switch, £654.04