Product Info Catalog Electrical & Lighting Fuses & Circuit Breakers Breakers Circuit Breaker, Single Pole, 4-Amp Circuit Breaker, Single Pole, 4-Amp Circuit Breaker, Single Pole, 4-Amp Request a Quote UPC: 786685532257 Manufacturer: Eaton Corporation SKU: 216741 Model Number: CHF140CS Cutler hammer, 40a, single pole, circuit breaker, 3/4" per pole wide, with trip flag indicator.