3RA2345-8XB30-1NB3 SIEMENS

The 3RA2345-8XB30-1NB3 is a reversing contactor assembly from Siemens, designed for AC-3 applications with a power rating of 37 kW at 400 V. It features a broad control voltage range of 20-33 V AC/DC, enhancing its adaptability to various power systems. This 3-pole contactor assembly is Size S3, indicating its compact design suitable for space-constrained installations. The unit utilizes screw terminals for secure and reliable electrical connections. An integrated electrical and mechanical interlock ensures safe and dependable reversing operations, preventing simultaneous activation of forward and reverse contacts. Furthermore, it includes two normally open (2 NO) auxiliary contacts for additional control and monitoring capabilities. A varistor is integrated to protect against voltage surges, enhancing the longevity and reliability of the assembly. This reversing contactor assembly is ideal for motor control applications requiring frequent reversing operations, such as in conveyor systems or machine tools. It provides a complete and ready-to-install solution for reversing motor control.