Schneider Electric/Square D QO 2-Pole Standard miniature circuit breaker features Thermal Magnetic Molded Case for extra protection. Circuit breaker HAS A voltage rating of 240 VAC. It has interrupt rating of 10 kilo-Amps at 120/240 VAC and 5 kilo-Amps at 48 VDC. It accommodates copper or aluminum wire size of 14 - 8 AWG. It offers effective overload and short circuit protection for added safety.