Zinsco/Challenger/GTE/Sylvania QB40 1 Pole 40 Amp 120V Bolt On Breaker QB140 Style:Used Engineered with premium copper bus

Engineered with premium copper bus bars for superior conductivity and heat dissipation

Dimensions - 4

These pilot holes allow easy box attachment with a screwdriver

GE General Electric TF136040 3 Pole 40 Amp 600vac Type TF Circuit Breaker

Zinsco/Challenger/GTE/Sylvania QB40 1 Pole 40 Amp 120V Bolt On Breaker QB140 Style:Used Engineered with premium copper busAs a 1 pole 40 amp circuit breaker, the Zinsco, Challenger, GTE Sylvania QB40 provides reliable protection against electrical overloads. Its QB bolt on design ensures a secure and easy installation process. This circuit breaker is compatible with 120VAC and is suitable for a variety of electrical applications. The QB140 designation confirms compatibility with standard panelboards, making it an ideal replacement or upgrade for residential and light