Siemens 3RA1933-2A
The Siemens reversing contactor kit operates by swapping two phases of a three-phase motor when the reverse contactor becomes energized. The interlock prevents both contactors from activating together to ensure safe operation. This kit is attached to either standard or mini contactors and is connected according to the wiring diagram to establish forward and reverse control. The Siemens 3RA1933-2A helps to simplify motor control wiring and enhances safety by preventing miswiring, which reduces installation time and allows for easy integration with standard control units.
- Contactor Kit for Reversing Starter Module
- For Use With 3RT103
- Size S2
- Copper Contacts
- Slot Mounted






