What it is and what it connects
The Siemens 3VA9113-0JG10 is a SENTRON wire connector designated TA1.0, sold as a set of three units. It is an accessory for the 3VA1 100/160 molded-case circuit breaker family, providing a terminal point for power conductors plus a control-wire voltage tap-off.
Wire range and termination specs
The connector accepts solid copper from 14 AWG minimum up to 10 AWG maximum, and stranded copper from 14 AWG minimum up to 8 AWG maximum. For aluminum conductors, the solid range is 12 AWG minimum to 8 AWG maximum; stranded aluminum runs 12 AWG minimum to 8 AWG maximum. Finely stranded copper also spans 14 AWG minimum to 8 AWG maximum.