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Class 1, Divisions 1 & 2, Zone 1
UL listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant
Compact, 316 stainless steel enclosure
Belleville spring design provides set-point stability and vibration resistance
SPDT or DPDT hermetically sealed switches
Variety of pressure sensor materials, including welded stainless steel diaphragm
Convenient field adjustment through concealed adjustment compartment; optional cover locking ring prevents incidental tampering
72” lead-wire with strain relief provided
Adjustable set-point ranges:
Pressure: 1 to 6000 psi, 0,1 to 413,7 bar
Differential Pressure: 0.7 “wcd to 150 psid, 1,7 mbar to 10,3 bar
Temperature: -130 to 650 ºF, -90 to 343.3 ºC

United Electric (UE) 120 Series - Rugged, Explosion-proof Pressure, Vacuum and Differential Pressure Switches

Class 1, Divisions 1 & 2, Zone 1
UL listed, cUL certified, ATEX flame-proof & CE (LVD, PED) compliant
Dual electrical conduit openings provide mounting flexibility while terminal block provides ease of wiring
SPDT, DPDT, or dual SPDT switch output
Variety of pressure sensor materials, including welded stainless steel diaphragms and bellows
Internal or external set-point adjustment
Heat trace & freeze protection temperature models
Adjustable set-point ranges:
Pressure & Vacuum: 30 ”Hg Vac to 6000 psi, -1 to 413.7 bar
Water Column: 300 “wc Vac to 250 “wc, -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 ºF, -117.8 to 343.3 ºC

Compact design
Division 2
SPDT or DPDT hermetic switch output
Terminal block wiring
Adjustable ranges:
- 30 "Hg Vac to 3500 psi 1 bar Vac to 241 bar
- -120 to 650 ºF -85 to 340ºC
Approvals: UL, CSA, CENELEC, CE, NACE