Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Breakers Circuit Breaker, 30A 120V Twin Single Pole Circuit Breaker, 30A 120V Twin Single Pole Request a Quote UPC: 94925003154 Manufacturer: Connecticut Electric SKU: 728926 Model Number: VPKUBIZ3030 Zinsco, 30A, 120V, Twin Single Pole Circuit Breaker, Thin.