What it is and what it fits
The Siemens 3VA9164-0JA12 is a SENTRON box terminal designated TS1.2, sold as a set of four units for terminating copper cables from 6 mm² up to 120 mm². It is an accessory specifically for the 3VA2 160 molded-case circuit breaker family.
Terminal capacity and wire range
The TS1.2 accepts solid copper from a minimum of 10 AWG up to a maximum of 10 AWG, stranded from 10 AWG minimum to 3/0 AWG maximum, and finely stranded from 10 AWG minimum to 3/0 AWG maximum. The box terminal design accommodates the full range with the listed torque values. Maximum busbar dimensions accepted are 3 to 6 pieces of 20 mm x 1 mm; minimum busbar dimensions are 2 pieces of 6 x 13 mm x 0.5 mm.