This Zinsco R38-20 circuit breaker is a reliable and efficient choice for your electrical equipment needs. With a maximum amperage of 20A and voltage rating of 120V, it is suitable for a variety of applications. This Type R-38 tandem circuit breaker is tested and ready to be installed, providing you with peace of mind and confidence in your electrical system. The brand name Zinsco is synonymous with quality and durability, making this a great investment for your business or industrial electrical needs.