What this terminal is
The SENTRON 3VA9223-0JJ22 is a circular conductor terminal, designated TA2.3, designed as a wire connector accessory for the 3VA2 family of molded-case circuit breakers in the 100 A, 160 A, and 250 A frame sizes. The stripped length range is 1.0 to 2.0 inches, and the terminal does not include a control wire tap.
What the 275 lb-in torque means on the line
The terminal accepts stranded copper or aluminum from 4 AWG to 300 kcmil. The stripped length window is 1.0 to 2.0 inches.
