Copied Differential Pressure Switch
Differential Pressure Switch
Dwyer, 1950G-0-B-120-NA, Series 1950G Explosion-proof Differential Pressure Switch, Range .15-.50' w.c., Approx. DeadbandExplosion-proof, Weatherproof, Compatible with Natural GasesThe Model 1950G Explosion-Proof Switch combines the best features of the popular Dwyer® Series 1950 Pressure Switch with the benefit of natural gas compatibility. Unit are rain-tight for outdoor installations, and are UL listed for use in Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, CSA & FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G and Class III atmospheres . The 1950G is very compact, about half the weight and bulk of equivalent conventional explosion-proof switches.Easy access to the SPDT relay and power supply terminals is provided by removing the top plate of the aluminum housing. A supply voltage of 120 VAC. A captive screw allows the cover to swing aside while remaining attached to the unit. Adjustment to the set point of the switch can be made without disassembly of the housing.1950G-0-B-120-NA by Dwyer.
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