This is a plug-in Zinsco Circuit Breaker. It has two “U” shaped cut outs on the bottom. It is: “4.75”Lx1.5″Wx2.5″H
Obsolete Circuit Breakers and Electrical Supply
This is a plug-in Zinsco Circuit Breaker. It has two “U” shaped cut outs on the bottom. It is: “4.75”Lx1.5″Wx2.5″H