Siemens 3RT1016-1HB41 Contactor

Siemens 3RT1016-1HB41 is a compact 3-pole power contactor in the S00 frame, designed for AC-3 motor control with a 24 V DC coil; it reliably switches up to 4 kW at 400 V and carries 9 A on the main circuit, making it suitable for controlling small to mid-size motors, pumps, and conveyors in automation panels where space is at a premium. The unit includes one normally open auxiliary contact to support basic interlock and signaling without needing an additional relay, and it uses screw-terminal wiring for durable, field-ready connections in space-constrained installations, with a robust enclosure that resists dust and vibration in harsh environments. As part of the Siemens 3RT1/SIRIUS-era family, it delivers proven performance in demanding industrial environments, with a coil operating range around 0.7 to 1.25 times Us and standard DIN rail/panel mounting compatibility, ensuring straightforward interfacing with PLC outputs and other automation hardware. Designed for long service life and easy integration with Siemens accessories and auxiliary blocks, the 3RT1016-1HB41 remains a practical choice for panel builders seeking a compact, reliable motor-start solution that pairs well with 400 V three-phase systems and offers predictable switching characteristics.