The Siemens VL160X is a 100 amp, 3-pole thermal-magnetic molded case circuit breaker from the Sentron VL series. It's rated to IEC 60947-2 up to 690V AC and 250V DC, with a 65kA interrupting rating at 240V. It has an N (standard) breaking capacity and a fixed 1,000A instantaneous trip, for industrial and commercial power distribution and machine panels.