This product is a Miniature circuit breaker has a voltage rating of 120/240 VAC current rating of 100 Amps and interrupting rating of 10 kilo-Amps. The 3-Pole thermal/magnetic circuit breaker features a line/load lug terminal and accommodates aluminum/copper wire size of 4 – 2 AWG. It has 35 mm DIN rail/flush/surface mounting standard flush and provides protection against over current.