The Siemens 3RT2 series is a power contactor with auxiliary contact 1 NO + 1 NC 3-pole,size S2 screw terminal, with 3-pole varistor. SIRIUS 3RT2 used for switching motors .The Siemens 3RT2 contactors are part of the modular SIRIUS system with its optimally coordinated products. They offer convincing performance from a compact design with high contact reliability. They can be combined with a variety of other components in the load feeder. The contactors offer the best connection to the automation level for every application (parallel, via ASi or IO-Link). Pre-installed auxiliary switches reduce the complexity of your design.

They offers fast, maintenance-free and vibration-proof connection.
They are available in various sizes and in a wide performance range.
Simple, efficient and always up to date - SIRIUS modular system.
SIRIUS 3RV29 infeed system considerably reduce the wiring expense.