Siemens 3RT104 Coil Location
The above picture is the location of the coil voltage for any Siemens Sirius Size S3 contactor from the 3RT1044-1A to the 3RT1046-1A. It is on the top of the contactor located between the A1 and A2 coil connections and this is the only location where it can be found on the contactor. PLEASE IGNORE all other instances of voltages on either side of the contactor.