WEG UMBW Series Miniature Circuit Breakers
The WEG UMBW Series offers space-saving, thermal-magnetic miniature circuit breakers designed for reliable protection in industrial applications. With UL1077 and UL489 certifications, a wide selection of poles, trip curves, and accessories, these breakers provide flexible and dependable solutions for AC and DC systems.
Key Points
- UL1077 and UL489 approved miniature circuit breakers with up to 63A capacity
- Compact 17.5mm width per pole, DIN rail mountable for easy installation
- Rated for AC and DC voltages with interrupting capacities up to 10kA
- Tested against vibration, shock, corrosion, and humidity for robust reliability
- Available in 1, 2, and 3 pole versions with B, C, and D tripping curves
- Wide range of accessories: auxiliary contacts, bell alarms, shunt trip, bus bars
- Built for durability: 10,000 mechanical operations, IP20 protection class