Schneider Electric Mini circuit breaker QO 30A Measuring Metal to wood screws are

Metal to wood screws are self-piercing

For gas or electric water heaters

Diameter of head 7/16"

With a powerful 8

satin nickel

Schneider Electric Mini circuit breaker QO 30A Measuring Metal to wood screws areDescription QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This 2 pole QO circuit