The Zinsco Q240 SYLVANIA GTE CHALLENGER T&B Type Q QC 40 Amp 2 Pole Circuit Breaker is a reliable electrical component designed for commercial and industrial applications. With a maximum amperage of 40A and a tripping characteristic of Type B, this circuit breaker provides efficient and safe power distribution. The Zinsco brand ensures quality and durability, making it a trusted choice for businesses and industrial settings requiring dependable electrical equipment.