Miniature Circuit Breaker, Rated Current 40 Amps, 2 Pole, Interrupt Rating 10 kA, Trip Curve C, Voltage up to 277/Y480 VAC, 48/96 VDC, DIN Rail Mounted, Finger Safe and Multi-Function Terminals, UL 489, CSA 22.2 No. 5. The miniature circuit breaker SU200M is ABB’s solution for UL 489 branch circuit protection up to 480 Y/277 V AC and 96 V DC. This circuit breaker is an all-round device for AC and DC applications for universal use in North American and global markets due to its approvals acc. to the international standards UL, CSA and IEC. Moreover, SU200 M is fully compatible with System pro M compact UL 489 accessories.