Siemens 3RT2327-1AK60 Contactor

Siemens 3RT2327-1AK60 Contactor is a four-pole AC-1 power contactor with a 120 V AC coil, designed to switch four main loads with Form A (normally open) contacts and an auxiliary block offering 1 normally open and 1 normally closed contact. It is rated for 50 A at 400 V (ambient 40 °C) and supports coil operation at 110 V/50 Hz or 120 V/60 Hz, making it compatible with global mains. The unit uses screw terminals (S0) and is available for chassis mounting or DIN-rail installation, depending on mounting accessories. This Siemens 3RT-series device is typically employed to start or stop three-phase motors, pumps, and other high-power loads, with the auxiliary contact used for signaling, interlocking, or control circuits.