Limit Switch Als 400m2f

Limit Switch Als 400m2f. The Limit Switch ALS400M2F is a rotary, explosion-proof, position indicating device, armed with 2 mechanicals, magnetic, proximity, and a 4-20mA position transmitter; This device can detect the mechanical position of the valve and send the digital and analog signals to a PLC. The device's dome-type visual indicator also clearly shows valve position for local visual sensing.