SIEMENS LOW VOLTAGE POWER MOD BFT MAIN FEEDTHROUGH CIRCUIT BREAKER DISCONNECT. 1600A MODULE FOR 3-PHASE 4-WIRE 240V SYSTEMS. INTERRUPT (65kAIC). FACTORY INSTALLED 1600A SPD6 FRAME CIRCUIT BREAKER (SPD6A1600LI) SPECIAL FEATURES MAINTENANCE MODE (DAS) CAPABLE.