United Electric H100-189-M201-M277 Pressure Switch

The 100 Series is a cost-effective pressure and temperature switch for process plants and OEM equipment. The rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. Typical applications that utilize the 100 Series are heat tracing, freeze protection, processing equipment (pumps, compressors), inputs for annunciator panels, and fire suppression systems.

Features

• Single switch Output
• Epoxy coated and Gasketed cast aluminum enclosure type 4X
• Tamper-resistant set Point “lock”
• Heat trace and freeze Protection thermostats
• Proof Pressures to 10,000 psi (689,5 bar)
• Adjustable ranges: Pressure – 30 “Hg Vac to 5000 psi (-1 to 344,7 bar), “wc ranges – 300 “wc Vacuum to 250 “wc Pressure (-746,7 to 622,3 mbar), Differential Pressure – 0.2 “wcd to 500 psid (0,5 mbar to 34,5 bar), Temperature – 180 to 650°f (-117.8 to 343.3°c)
• UL listed and cUL certified
• CE compliant to low voltage directive and pressure equipment directive
• Optional ATEX or GOST intrinsic safety compliance
• Single switch (SPDT or DPDT) output
• Welded stainless steel diaphragm models
• Ultra low pressure, “wc models
• Optional sensor material for corrosive media
• Polished stainless steel flush-mount connection
• Pump switch models with wide adjustable deadband