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Series 1950/1950G Explosion-Proof Differential Pressure Switch The unit is very light and compact — about half the weight and bulk of other explosion-proof or weather-proof switches with separate enclosures.
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CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres NEMA 7 & 9. Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Series offers set points from 0.03 to 20" w.c. (7.5 to 5 kPa) and from 0.5 to 60 psi (0.035 to 3.5 bar).
UL listed for use in Class I, Groups A, B, C, & D; Class II, Groups E, F, & G and Class III atmospheres, Directive 94/9/EC (ATEX) Compliant for CE ATEX II 2G Exd IIB+H2 T6, CSA & FM approved for Class I, Div. 1, Groups B, C, D; Class II, Div. 1, Groups E, F, G and Class III atmospheres IECEx Ex d IIB+H2 T6 (-40°C < Ta < 60°C).
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