The Eaton POWER MASTER 30A FUSED SAFETY SWITCH 10 HP 240V MAX 3∅ 4 POLE TYPE 1 H421K is a sensor/switch from Eaton. It detects a change in state, position, or presence and relays that information to a controller or operator interface. Key specifications noted on this listing include 30A, 4 POLE. It is commonly in OEM equipment and MRO replacement for sensing and control circuits.
