WEG UMBW MINIATURE CIRCUIT BREAKER UL489 CATALOG #UMBW-4B3-3 3 AMP 277/480 -125 VDC 3 POLE B CURVE
UMBW-UL489 and UL1077 Listed
Introducing the New WEG UMBW Series Thermal-Magnetic
Miniature Circuit Breakers. This new offering includes both
UL489 and UL1077 approvals to provide a solution for circuit &
equipment protection in Industrial Electrical equipment. The
UMBW has a range from 1 to 63Amps, available in 1,2, 3 poles,
and B, C, D trip curves.
- AC and DC voltages available in one series;
- UL489 branch circuit protective device;
- UL1077 equipment protection;
- 17.5mm width per pole;
- Visual status indication;
- Positive trip-free snap action mechanism to ensure reliable switching;
- Cuttable bus bar connecting system.