The GE Q-Line 100 Amp 3 in. Triple-Pole Circuit Breaker has a case made of heat-resistant thermoset for stability and structural integrity. The unit has a tin-plated copper stab to create a reliable, permanent and corrosion-resistant connection. The circuit breaker has a dedicated calibration screw which is cemented to prevent shifting. The attached screw creates a stable calibration for optimum performance.Meets NEMA standardsCase is made of heat-resistant thermoset for stability and structural integrityCalibration screw is cemented to prevent shiftingLearn More About Circuit Breakers Here in our Buying Guide.Box-type terminalsTin-plated copper stabs create a reliable, permanent and corrosion-resistant connectionTrips to the center positionANSI certified and CSA and UL listedVoltage (volts): 240Maximum Amperage (amps): 100Mounting type: Plug InNumber of Poles: 3Product Weight (lb.): 1.072Power Distribution Features: No Additional FeaturesBreaker Type: Triple PoleInterruption Type: Standard TripElectrical Product Type: BreakerCertifications and Listings: 1-UL ListedProduct Depth (in.): 3Product Height (in.): 3Product Width (in.): 3.375