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Dwyer H2S-3S Dual-Action Explosion-Proof Pressure Switch
$1,432$1,719 (-17%)
Dwyer H2S-3S dual-action explosion-proof pressure switch is designed for temperature ranges from -20 to 90°C (-4 to 184°F). It has a UL listed explosion-proof enclosure rating, making it suitable for Class I, Groups B, C, and D, and Class II Groups E, F, and G. The switch is made of 316 SS chamber with FEP diaphragm…
Dwyer H2S-3S dual-action explosion-proof pressure switch is designed for temperature ranges from -20 to 90°C (-4 to 184°F). It has a UL listed explosion-proof enclosure rating, making it suitable for Class I, Groups B, C, and D, and Class II Groups E, F, and G. The switch is made of 316 SS chamber with FEP diaphragm and Buna-N O-ring standard, with an option for Fluoroelastomer or EPDM O-ring. It has a pressure limit of 1500 psig (103 bar) and electrical rating of 5 A @ 125/250 VAC, 5 A res., 3 A ind. @ 30 VDC. The switch type is two SPDT snap switches, with set point adjustment through an internal nut. The H2S-3S can be mounted in any position and has a 3/4" female NPT conduit connection. Deadband is approximately 10% of the range.
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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