HomeLine breakers feature Qwik-Open circuit breakers, which give homeowners a new standard for reliable, fast acting circuit protection.Typical application for a double pole 50A circuit breaker is to feed our HomeLine Spa Pack for GFI protection of pools, spa, or hot tubs. Provides overload and short circuit protection (240Vac). Accepts Al/Cu conductors, Lug Range: #8-#2. CSA approved to only install in Canadian HomeLine loadcentres. 10,000 Amperes Interrupting Rating (AIR).