Lake Shore Electric’s QC3 (Quick Connect 3 Breaker) offers a complete, all-in-one solution for integrating a temporary alternate power source and load bank into an emergency power system. Each QC3 features a dedicated permanent generator breaker that’s mechanically interlocked with a temporary generator breaker. A dedicated load bank breaker is installed on the line side of the permanent generator breaker, allowing for isolated load bank testing.The QC3 is available in ampacities ranging from 150A to 4000A, up to 480VAC, and interrupting ratings starting at 35kAIC @480VAC