Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Breakers Circuit Breaker, 20A 120V Single Pole Circuit Breaker, 20A 120V Single Pole Request a Quote UPC: 94925003017 Manufacturer: Connecticut Electric SKU: 728777 Model Number: VPKUBIZ20 Zinsco, 20A,120V, Single Pole Circuit Breaker - Thick.