DWYER DA-35-153-7A BOURDON TUBE PRESSURE ELECTRICAL SWITCH MERCOID

Brass Tube

Compressors Mechanical HVAC or process equipment Pump control

Type DA Adjustable Deadband, Fully Automatic, Double Adjustments

SPDT mercury switch

4a @ 120v 

2A @240V

Equipped with two external adjustments, one for setting high pressure operating point, the other for setting low pressure operating point. Deadband, or the difference between high and low setpoints, is adjustable over full scale. Mercoid’s most popular operating mode, available on most Series D pressure and temperature controls.