Zinsco

Zinsco Company was the original manufacturer of these breaker. They are no longer in existance.

Zinsco products was later purchased by Sylvania, then Challenger, then Thomas&Betts. Connecticut Electric presently makes a knock-off of this brand.
Westport Apparatus Wholesale business to business circuit breaker distributor
5.0 100
1548 W. Yale Avenue, , Orange, CA, CA, CA. (800)-227-4044