243-0024 | Reverse Acting Relay, Pneumatic, Field Adjustable Spring Range | Siemens

This 243 Reverse Acting Relay provides a proportional output signal that varies inversely with the input signal. A spring adjustment is provided to allow setting a desired reverse acting schedule required by a particular application. It is lightweight and compact, has force-balance operation, internal relief, a mounting bracket, and a maximum ambient temperature of 104 degrees Fahrenheit.