Dwyer H2S-2S is a dual-action explosion-proof pressure switch with a temperature range of 275°F (135°C). It is CSA approved for -20 to 90°C (-4 to 184°F) and meets UL listed explosion-proof standards with an enclosure rating of Class I, Groups B, C, and D, as well as Class II Groups E, F, and G. The switch has a NEMA 4X (IP66) rating and can be mounted in any position. It has a 316 SS chamber with FEP diaphragm and Buna-N O-ring standard. The pressure limit is 1500 psig (103 bar) and the electrical rating is 5 A @ 125/250 VAC, 5 A res., 3 A ind. @ 30 VDC. The switch has two SPDT snap switches with internal nut set point adjustment. The conduit connection is 3/4" female NPT and the deadband is approximately 10% of the range.