Dwyer H2S-3S Dual-Action Explosion-Proof Pressure Switch

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 Be the first to review “Dwyer H2S-3S Dual-Action Explosion-Proof Pressure Switch” Cancel replyYour email address will not be published. Required fields are marked *Your rating of this product Rate… Perfect Good Average Not that bad Very poor Name * Email * Save my name, email, and website in this browser for the next time I comment. Reviews There are no reviews yet.