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> Dwyer floating contact null switch series 1640-1
Dwyer floating contact null switch series 1640-1
Dwyer Floating Contact Null Switch Series 1640-1
* Manufacturer:Dwyer Instruments Inc.
* Applications: Differential pressure switch diaphragm for high and low actuation. For use with air and non-combustible compatible gases.
* Pressure Limits: 10 psig(68.95 kPa)continuous 25 psig(172.4 kPa) surge
* Temp. Limits: -30 to 110 F (-34.4 to 43.3 C)
* Switch: Single-pole double-throw
* SPTD: floating contact(non-snap action)
* Electrical Rating: Non-inductive-2.5 A @ 110VAC; 1.5 A @ 220VAC; 1 A @ 24VDC; 0.4 A @ 110 VAC
* Inductive: 1 A @ 110VAC; 0.5 A @ 220VAC; 0.5 A @ VDC(De-rate 70-80% for very slow pressure changes.
* Electrical connections: 3 Screw type, common, normally open & closed.
* Mounting: Diaphragm in vertical position
* Set point adj: Screw type, Min, .02, Max, .06
