The PA6616GY50C part is a two-pole, 50-amp, AC circuit breaker from the Pro Power brand. This circuit breaker features snap action, quick-connect installation with its single-piece design, and has a slim, easy-to-install design. It has a rated voltage of 250VAC and comes with a copper clip for secure attachment to the panel. The contacts are made of copper alloy and the housing is made of impact-resistant nylon plastic. The thermal short-circuit protection of the PA6616GY50C provides efficient and reliable overload protection, while the manual reset helps to provide a safe operating environment. This circuit breaker is suitable for use in a variety of applications, such as lighting fixtures, ovens, and dryers.