The Square D QO370 is a 3-pole, 70-amp circuit breaker designed for interior use. This miniature circuit breaker features a manual reset control style with instantaneous break time, making it ideal for quickly disconnecting electrical circuits in the event of a fault. With a voltage range of 120/240 AC and a current rating of 61-70 A, this Square D circuit breaker is a reliable and efficient choice for protecting electrical systems in businesses and industrial settings.