Connecticut Electric UBIZ2100 Zinsco Circuit Breaker, 2-Pole 100-Amp Thick Series
This 120/240 volt Zinsco 100 amp, double pole, thick series replacement circuit breaker is used in a Zinsco load center and/or used for feeding Sub-Feed Panel Boxes.  This is only a suggestion and cannot assure your compliance with all local codes.  Please check local electrical codes before starting any electrical project.