Eaton BR340 BR 40 Amp 120/240 Volts 3-Pole Circuit BreakerEaton provides product and service solutions for new residential construction for single-family and multi-family homes, as well as upgrades and replacements for existing homes. The Eaton Cutler-Hammer 3-Pole 40 Amp Double-Pole Type BR Replacement Circuit Breaker is designed to protect house wires from overheating or causing a short-circuit. The UL-listed breaker is compatible with Westinghouse, Challenger and Bryant load centers and has a maximum load of 240-Volt.Primary function of a circuit breaker is to protect the wire from overheating (overload) and fault currents (short circuit)Amperage rating: 40 Amp3-pole circuit breakerTrip type commonFor use in type BR load centersType BR breakers are UL approved genuine replacement breakers for load centers made by Westinghouse, Challenger and BryantInterrupt rating 10 kAICVoltage rating is 240-VoltWire size #14-4 AWG Cu/Al at 60C or 75CDimensionsProduct Depth (in.)2.961 inProduct Height (in.)2.968 inProduct Width (in.)2.961 inDetailsAIC Rating10000Breaker TypeStandardConnection TypeNeutralInterruption TypeStandard TripMaximum Amperage (A)40 AMounting TypePlug-OnNumber of PolesTriplePack Size1Product Weight (lb.)0.93 lbSeries TypeBRTrip UnitThermal MagneticVoltage (V)120/240 VWarranty / CertificationsCertifications and ListingsANSI Certified, UL ListedManufacturer Warranty10 YearsFrom the ManufacturerWarrantyInstallation Guide