VACCUM CIRCUIT BREAKER – P/N 3TL6515-1BF4-Z-F20-A10 12/28/75KV 400A; OPERATION VOLTAGE 110VDC – # VACCUM CIRCUIT BREAKER – P/N 3TL6515-1BF4-Z-F20-A10 12/28/75KV 400A; OPERATION VOLTAGE 110VDC; MECHANICAL CLOSING LATCHING; AUX. SW. 4NO+3NC; HALOGEN FREE, FLAME RETARDANT WIRED;