The UMBW has a range from 1 to 63 Amps, available in 1,2, 3 poles, and B, C, D trip curves. Single pole and multi-pole thermal-magnetic miniature circuit breakers (MCBs) are in accordance with EN 60947-2, UL 1077 and UL 489 for DIN rail mounting with toggle actuation, visual status indication, and high interrupt capacity. A positively trip-free snap action mechanism ensures reliable switching behavior. A range of trip characteristics and add-on accessories make the UMBW suitable for a variety of applications. 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.
| Make | WEG |
|---|---|
| Manufacturer | WEG |
| Model code | UMBW-1B1-12 |
| Series | UL Miniature Circuit Breakers UMBW Series |
| Application | Industrial |
| No. of Poles | 1 |
| Current rating | 12 A |
| Voltage | 277 VAC |
| Standards | UL1077 |
| Additional info |
The UMBW has a range from 1 to 63 Amps, available in 1,2, 3 poles, and B, C, D trip curves. Single pole and multi-pole thermal-magnetic miniature circuit breakers (MCBs) are in accordance with EN 60947-2, UL 1077 and UL 489 for DIN rail mounting with toggle actuation, visual status indication, and high interrupt capacity. A positively trip-free snap action mechanism ensures reliable switching behavior. A range of trip characteristics and add-on accessories make the UMBW suitable for a variety of applications.
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