Residential BR Circuit Breakers are used in load centers, panelboards, or similar devices. They are made for a wide range of applications and include: BR 1" circuit breakers and accessories for BR-style load centers; arc fault circuit interrupters (AFCI); and ground fault circuit interrupters (GFCI). Ground Fault Circuit Breaker, Type GFTCB, 120/240 VAC, 50 A, 10 kA Interrupt, Common Trip, 2 Pole, 14 to 4 AWG Wire, Plug-On Mounting, 60 to 75 deg C, 4-1/2 in L x 2-3/4 in W x 2 in H Dimensions Product specifications Type Ground fault personnel protection circuit breakers Amperage Rating 50 A Voltage rating 120/240 V Trip Type Common Circuit protection Ground fault circuit interrupter Indicators GFI Interrupt rating 10 kAIC Main circuit breaker GFTCB Wire size #14-4 AWG Number of poles Two-pole