Square D QO 15/15A Single-Pole Tandem Circuit Breaker is a versatile electrical circuit protection device designed to provide two circuits in the space typically occupied by a single circuit breaker. This makes it an efficient choice for applications where space is limited. It reliable overload and short-circuit protection for electrical systems and is compatible with QO load centers, CSED devices, and NQOD panel boards. The breaker features the exclusive Visi-Trip indicator, which gives a clear visual signal when the breaker trips by snapping the handle to a midpoint position and displaying a highly visible red indicator. by ANSI and listed by UL, it meets high safety and performance standards. Rated for both 120 volts and 240 volts, with a 10,000 Ampere Interrupting Rating (AIR), this breaker is designed for load centers manufactured after 1967 that are not modern QO Plug-on Neutral load centers. It delivers efficient and dependable circuit protection for a variety of electrical applications. Model Number: QO1515CP