Zinsco replacement circuit breakers are of a unique design that only fit into load centers (no longer made) that may be labeled Challenger, Sylvania, or Zinsco.
| SKU | 501371 | UPC | 094925003093 |
| Weight | 0.5 | Package Width | 7 |
| Package Length | 7 | Package Height | 2.5 |
| Model Number | VPKUBIZ2020 | Brand | Connecticut Electric |