This Zinsco QB20 GTE Sylvania circuit breaker is a high-quality electrical equipment suitable for any room. It has a maximum amperage of 20A and a voltage rating of 120V/240V. The circuit breaker is mounted using a bolt-on style and has a Type Q model. The circuit breaker features thermal overload protection and has a tripping characteristic of Type A. It has one throw and two positions, and is suitable for wall, interior, and exterior mounting. The circuit breaker is made of ABS/plastic material and has a black color. It is an ideal branch circuit and electrical wiring application.