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WEG UMBW-1B1-5 MCB UL1077 277/480V B 1P 5A Miniature CB
MODEL UMBW-1B1-5
Contact supplier for technical support on: 800-ASK-4WEG
$11.89 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable: See conditions
Max voltage
277 VAC
Number of poles
1 pole
Rated current
5 A
Trip curve
B
Type
Thermal-magnetic
UL approval
UL1077
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.
SKU: 1308050
312 amp soft start qty 3
Very fast shipping and each one was crated very well.
Read moreSKU: 1309979
Always easy to order, usually the best price!
Not our first order from MRO Supply. Will order again as the need arises.
Read moreSKU: 2521370
Centrifugal switch
Absolutely what I expected in much less time than I expected! Will definitely order again.
Read moreSKU: 1315116
Motor purchase
Excellent pricing, very fast delivery, accurate tracking information, motor arrived in perfect condition.
Read more
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SKU: 1308050
312 amp soft start qty 3
Very fast shipping and each one was crated very well.
Read moreSKU: 1309979
Always easy to order, usually the best price!
Not our first order from MRO Supply. Will order again as the need arises.
Read moreSKU: 2521370
Centrifugal switch
Absolutely what I expected in much less time than I expected! Will definitely order again.
Read moreSKU: 1315116
Motor purchase
Excellent pricing, very fast delivery, accurate tracking information, motor arrived in perfect condition.
Read more