The Siemens EQ9685 200A main circuit breaker is a black plastic circuit breaker with a maximum amperage of 200A. It features thermal overload protection and an on/off operation method, making it ideal for electrical wiring applications. With a current rating of 200A and four poles, this circuit breaker provides reliable protection against overcurrent scenarios in electrical systems. The screw terminal electrical connection and switch control style ensure easy installation and operation. Note: used/untested