What it is and where it lands
The Siemens 3VA9103-0JG11 is a SENTRON wire connector designated TA1.3, supplied as a pack of three units. It serves as an accessory for the 3VA2 molded-case circuit breaker family in the 100 A, 160 A, and 250 A frame sizes, providing a control-wire voltage tap-off point directly at the breaker line or load terminals.
