Zinsco QC40 2 Pole Circuit Breaker
The Zinsco QC40 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 40 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 10kAIC at 240V. The QC40 has a plug-in connection type and includes long time and instantaneous trip functions.