Square D QO 50-amp 2 -Pole GFCI Circuit Breaker QO250GFICP This QO 50 Amp Two-Pole GFCI Breaker is great for covering multiple circuits in a damp area which could pose an electrical shock hazard, such as a bathroom or kitchen countertop. A thermal-magnetic tripping system detects both surges and long-term overloads. This breaker is compatible with Square D QO load centers and NQOD panel boards with 2 spaces. Protection from overload, short-circuit, and Class A Ground Fault Protects from potential shock hazards in wet locations Compatible with Square D QO electrical panels, CSED with 1 Space Square D QO 50 Amp 2-Pole GFCI Breaker Compatible with Square D QO breaker boxes, QO enclosures, CSED devices and NQOD panel boards with 2 spaces Use for protection of entire branch circuits where damp location shock hazards may exist Double-pole with a common trip Thermal-magnetic tripping mechanism Visi-trip indicator