Product DescriptionReplacement circuit breaker for square D load centers that accept type QO circuit breakers. 120 volt/240 Volt. Carded. Product is manufactured in Mexico. This product meets customer requirement.From the ManufacturerThe Square D Single-Pole 20-Amp Circuit Breaker is ideal for protecting your power system from irritating and potentially dangerous circuit breaker problems. It has a single pole, a one-inch format, 120/240 VAC, and 10,000 A.I.C. View-Pak's line of individual circuit breakers means that you can easily and conveniently replace a circuit breaker to maintain the top performance of your electrical system, and with View-Pak's wide variety you can be sure you'll find the specific circuit breaker you need. This circuit breaker is made by Siemens.