This item cannot be shipped to the following state(s): GU,PR,VI
The Siemens 20-Amp 3-1/2 in. Double-Pole Combination AFCI Circuit Breaker is plug-in style and features LED trip indicators. The breaker is intended for use as a combination circuit breaker and AFCI device to detect arcing faults. The combination unit can detect all 3 types of arc faults to help reduce the risk of electrical fire: line-to-ground, line-to-neutral and series arcs.