Dwyer Instruments 1950G-5-B-120-NA | Differential Pressure Switch | Explosion Proof | 1.4-5.5in w.c.
The best features of the well-liked Dwyer® Series 1950 Pressure Switch are combined with the advantage of natural gas compatibility in the Series 1950G Explosion-Proof Differential Pressure Switch. The units are suitable for outdoor installations as they are waterproof. They are also listed by the UL for use in Class I, Groups A, B, C, and D; Class II, Groups E, F, and G; and Class III atmospheres. Additionally, they comply with Directive 2014/34/EU (ATEX) and are approved by CSA & FM for Class I, Div. 1, Groups B, C, and D; Class II, Div. 1, Groups E, F, and G; and Class III atmospheres. IIB+H2 T6 IECEx Ex db (-40°C It is simple to reach the power supply terminals and SPDT relay by removing the aluminum housing's top plate. It is necessary to have a supply voltage of 24 VDC, 120, or 240 VAC. The cover can be swung aside without loosing its attachment to the device thanks to a captive screw. It is possible to modify the switch's set point without having to disassemble the enclosure.
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