This Square D EDB34070 E-Frame 3-Pole 227V Mini Circuit Breaker is a reliable and efficient choice for any electrical setup. With a maximum amperage of 250 A and voltage range of 251-300 V, this main breaker is designed to protect against thermal circuit breaker interruptions. The bolt-on mounting style and black color make it a versatile addition to any business or industrial electrical equipment. The circuit breaker is manufactured by Square D, a trusted brand in the industry, and has a current rating of 61-70 A. It is sold as a single unit, with one pole, and is ideal for use in AC current type. This mini circuit breaker is a essential component for any electrical system and is sure to provide reliable performance.