Eaton QCR1020 Circuit Breaker

The Eaton Cutler-Hammer QCR1020 is a 20A, single-pole circuit breaker rated for 120/240V AC service. Identified as Type QCR with model number QCR1020, it provides overcurrent protection with a 10kAIC interrupting rating, enabling it to safely interrupt fault currents up to 10,000 amperes. This 1-pole, 20-amp device protects a single circuit leg, helping prevent wiring damage and component failures caused by overloads or short circuits. Manufactured by Eaton's Cutler-Hammer division, the QCR1020 is part of the QCR family of breakers and is intended for use in electrical installations that require a 20-amp, 120/240V protection solution. The 10kAIC rating is a key specification that indicates the maximum fault current the breaker can interrupt, contributing to safer operation in electrical distribution. With a Type QCR designation and its 20A, 120/240V capability, this breaker provides dependable overcurrent protection within Eaton's Cutler-Hammer line.