The P 312 B6-30-AC DX part from Legrand is a 30-amp, self-contained, type B, double-pole circuit breaker. It features a trip-free design, allowing it to work even after a breaker has tripped. The breaker has an interrupting rating of 10,000A and is rated for 120/240V AC. It has a stainless steel operating handle, a durable construction, and a compact size. It also has a voltage release system and a test/reset button. This circuit breaker is suitable for use in residential, commercial, and industrial applications.