Siemens 3RT2016-1BB42 Three-Phase AC Contactor

Siemens 3RT2016-1BB42 is a three-pole power contactor from the Sirius 3RT family, designed for AC-3e/AC-3 duty and capable of switching up to 9 A and 4 kW at 400 V. The compact, size S00 device is coil-operated with 24 V DC and includes one normally closed auxiliary contact for interlock or signaling, with screw-terminal connections for secure wiring. It is intended for upright mounting in control panels, delivering a space-saving solution for three-phase load switching in small automation envelopes. With three switching poles and a 24 V DC control coil, the 3RT2016-1BB42 provides a straightforward, replaceable component for panel builders and integrators handling light-duty motor control or inductive loads within its rated range.