The Siemens Q270 70A 2-Pole 120/240V Circuit Breaker in black is a reliable and efficient electrical component for panel mounting. With a maximum amperage of 70A and a tripping characteristic of Type QP/MP, this main breaker is designed for instantaneous break time and operates on AC current. The circuit breaker is suitable for electrical wiring applications and is controlled by an analog/mechanical control style. This product from Siemens is a quality choice for ensuring the safety and functionality of electrical systems requiring a 2-pole design.