The 3M PPS Series 2.0 Adapter 26016 Type S9 is a white circuit breaker with a thermal interruption type, suitable for interior walls with a 277V AC current type. It features two ports, a maximum amperage of 5A, and is designed for phase control. The adapter is made of ABS/plastic material and has a compact size of 7.5 inches in height and 8 inches in width, making it ideal for various circuit breaker applications in industrial and electrical settings.