Full-automatic machine for setting and testing of circuit breakers. Feeding of circuit breakers on conveyor belt, workpiece conveying in the machine on linear feed system with workpiece locations. Four test benches for dynamic adjustment of the thermal disconnection point of the circuit breakers. In between two cooling stations each. One test bench "magnetic testing" of the circuit breakers. Parts ejection on conveyor belt. NOK parts will be deposited on a separate belt.