This ABB SU203M-K16 System Pro M Compact Miniature Circuit Breaker is a high-quality product suitable for interior use in commercial, branch circuit, and industrial applications. It features thermal overload protection and has a maximum amperage of 16A with three poles and 10 kA. This unit is made from ABS/plastic material and is compatible with wire gauge (AWG) 1-5. The mounting style for this breaker is DIN rail, and it has one throw with three positions. The operation method is on/off with AC/DC current type. The control style is a switch, and it is a type of main breaker with a voltage of 480/277V. This product is manufactured in Germany and is sold individually.