IR10 Interposing Relay and PP10 Latching Relay Manual

This manual provides mounting, maintenance, and application instructions for the ABB IR10 Interposing Relay and PP10 Latching Relay, which are explosion-proof control modules used for on/off devices like motors, solenoids, and alarms. It details the IR10's function as a simple interposing relay actuated by an external limit switch, and the PP10's start/stop control circuit for high or low level operation.