ABB's New SU 200M Miniature Circuit Breaker

Extended AC/DC Ratings and Enhanced Durability in One Device

The SU 200M miniature circuit breaker 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 according to the international standards UL, CSA and IEC. The SU 200M is fully compatible with System pro M compact® UL 489 accessories.


  • Developed for the UL/CSA market
  • UL1077 or UL 489
  • CSA 22.2 No. 235
  • CSA 22.2 No. 5
  • Special versions with ring-tongue terminals available
ABB SU 200M Miniature Circuit Breaker image