Description
The DA-21-3B-10S is a bourdon tube pressure switch from the DA series manufactured by MERCOID. Featuring a mercury tilt switch, a circuit 9-51 NO with SPST output relay, and an adjustable operating range of 25-600PSIG, it offers precise and efficient pressure control. With a 1/4 inch male NPT process connection and a stainless steel material construction, it is designed for durability and reliability.