Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Circuit Breaker Accessories Circuit Breaker, Single Pole, 120-Volt, 20-Amp Circuit Breaker, Single Pole, 120-Volt, 20-Amp Circuit Breaker, Single Pole, 120-Volt, 20-Amp Request a Quote UPC: 783643148192 Manufacturer: Siemens Industry Inc SKU: 895034 Model Number: Q120 Ite/siemens, 20a 1" single pole circuit breaker, 1" space, 120v.