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Dwyer H2S-3 Dual-Action Explosion-Proof Pressure Switch
$1,445$1,734 (-17%)
Dwyer H2S-3 is a dual-action explosion-proof pressure switch with a temperature range of -20 to 275°F (-4 to 135°C). It has a UL listed explosion-proof enclosure and is CSA approved for various hazardous locations. The switch has a 316 SS chamber, FEP diaphragm, and Buna-N O-ring. The electrical rating is 5 A @…
Dwyer H2S-3 is a dual-action explosion-proof pressure switch with a temperature range of -20 to 275°F (-4 to 135°C). It has a UL listed explosion-proof enclosure and is CSA approved for various hazardous locations. The switch has a 316 SS chamber, FEP diaphragm, and Buna-N O-ring. The electrical rating is 5 A @ 125/250 VAC and 3 A @ 30 VDC. It has two SPDT snap switches and a pressure limit of 1500 psig. The set point can be adjusted using the internal nut, and it can be mounted in any position. The switch has a 10% deadband and a 1/4" female NPT process connection. It also has a 3/4" female NPT conduit connection and an 18 AWG electrical connection.
Specifications
| (Instrument-Sensor) NEMA Protection | NEMA 4X |
|---|---|
| (Instrument-Sensor) IP Protection | IP66 |
| Component | Pressure Switch |
| (Instrument-Sensor) Type | Explosion-Proof |
| (Instrument-Sensor) Temperature Range | 275°F/135°C |
| (Instrument-Sensor) Temperature Range | -20 – 90°C/ -4 – 184°F |
| Manufacturer | Dwyer Instruments |
Features
Explosion-proof and weather-proof housing provides device protection for outdoor use or harsh environment operation
UL listed, CSA approved to support rigorous process applications and regulations
Independent piston action design for either gas or liquid allows switches to active together or independently based on settings
Mounting in any position and not affected by vibration provides reliable switching for equipment
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