WEG UBW Series Molded Case Circuit Breakers


The WEG UBW Series molded case circuit breakers deliver robust, high-protection solutions for demanding industrial applications. UL489 certified and available in sizes up to 2500A, these breakers feature multiple SCCR ratings, superior arc flash protection, and a wide range of accessories to fit any installation requirement.

Key Points

  • High-capacity breakers available from 15A to 2500A
  • Multiple SCCR options: 35kA, 50kA, 65kA, and 100kA at 480VAC
  • Field or factory-installed accessories for flexibility
  • Designed for panel-mounted installations only
  • UL489 certified with standard 80% ratings
  • Maintenance mode enhances arc flash protection
  • Options include auxiliary switches, shunt trips, under-voltage release, and rotary/flange handle kits