Model RFS-4001 is a general purpose proving switch designed for HVAC and Energy Management applications. This switch can be used to sense positive, negative, or differential air pressure.
GENERAL DESCRIPTION & OPERATION
The plated housing contains a diaphragm, a calibration spring, a snap-acting switch and enclosure cover. The sample line connections located on each side of the diaphragm accept 0.25'' metallic tubing via the integral compression ferrule and nut. Various electrical connections are available. An enclosure cover protects the operator from accidental contact . The enclosure cover accepts a 0.5'' conduit connection.
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