Siemens SIRIUS 3RT Size S2, 3RT2 Contactor, 110 V dc Coil, 3-Pole, 80 A, 37 kW, 2NO + 2NC

The Siemens 3RT2 series traction contactor with varistor has spring-type terminals and its used for switching motors under extreme conditions, e.g. for railway applications.
The 3RT2 contactor 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 contactor offer the best connection to the automation level for every application. Integrated auxiliary switches reduce the complexity of your design. The front-panel terminals simplify the wiring. The 3RT2 contactor are climate-resistant, approved for worldwide use (e.g. IEC and UL/CSA) and are IE3/IE4-ready. This version is characterized by an extended operating and temperature range for tougher ambient conditions.
The available link modules, function modules and the SIRIUS 3RV29 infeed system considerably reduce the wiring expense.

Mounting type is screw and Snap-On mounting
Ambient operating temperature is -40 to +70 °C
Protection class for frount IP20 and for terminals is IP00