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
Tag: Q30
Zinsco Q30
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