This Square D 15 A rated CAFCI 1-pole circuit breaker features the "Time Saver" function that saves time during diagnosis by identifying the type of fault that last occurred in a circuit. This circuit breaker range is designed to detect electrical arcs. The breaker is CSA licensed for HACR-type equipment (Heating, Air Conditioning & Refrigeration) and is only compliant with Canadian Square D QO load centres. Typical applications for a single pole 15 A breaker include lighting and receptacle circuits in a home and requiring a wire size of 14-2. The breaker provides overload and short circuit protection (120 V AC).