HomeLine breakers feature Qwik-Open circuit breakers, which give homeowners a new standard for reliable, fast acting circuit protection. Tandem and quad space saver circuit breakers are ideal for adding additional circuits to an existing HomeLine panel with limited space. Adding tandem or quad breakers double the number of circuits in a panel, as they only require 2 spaces in the panel. Provides overload and short circuit protection (120/240Vac). Inner Circuit: 1 - Double Pole 40A breaker / Outer Circuits: 2 - Single Pole 15A breakers. Accepts Al/Cu conductors. 10,000 Amperes Interrupting Rating (AIR). CSA approved to only install in Canadian HomeLine Loadcentres.