Siemens 3RT2047-1AK60 Three-Phase AC Contactor

Siemens 3RT2047-1AK60 is a three-pole SIRIUS power contactor from the 3RT2 family, designed for AC-3e/AC-3 duty with a 110 A rated current and a 55 kW rating at 400 V. It is coil‑operated from 110 V AC (50 Hz / 60 Hz) and ships with an integrated auxiliary contact block comprising 1 normally open and 1 normally closed contact for control wiring. The main terminals are screw‑type, and the unit is sized as S3 with upright mounting, suitable for installation in control panels where compact, robust motor-starting or load switching is required. This model switches three-phase loads up to 400 V and is compatible with Siemens control systems and standard industrial automation architectures.