Siemens 3TF2010-0BB4 Contactor

Siemens 3TF2010-0BB4 Contactor is a size 00, three-pole miniature AC motor starter with a 24 V DC coil, designed for AC-3 motor control up to 4 kW at 400 V. It features three main normally open contacts and an integrated normally open auxiliary contact (1 NO, 10E), wired through screw terminals and compatible with diode or varistor protection for the coil. The coil operates at 24 V DC and draws 1.2 W, enabling compact control in PLC-driven panels. On the main circuit, the contactor is rated for 9 A at 400 V AC-3, corresponding to a 4 kW motor load at 400 V, with IP20 protection for typical control panel environments. This Siemens device is intended for direct control by control circuits and automation PLC systems, offering reliable switching for small to mid-size motors and compatible with standard Siemens control logic and accessories.