The SIEMENS 3RT2018-1FB44-3MA0 is a three-pole power contactor designed for switching AC motors and loads up to 7.5 kW at 400 V with a rated current of 16 A. Its 24 V DC coil includes an integrated diode for coil suppression, simplifying wiring and protecting control electronics. Built with two normally open and two normally closed auxiliary contacts and captive auxiliary switches, it provides clear status and multiple control options. Screw terminals ensure secure connections, and the S00 size keeps the unit compact for panel installations where reliable motor switching and straightforward integration are required.
