Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you're viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
UMBW-4D3-20

Image for Illustration purposes only. Actual product may vary

WEG UMBW-4D3-20 MCB 489 480VAC D 3P 20A Miniature CB

MODEL UMBW-4D3-20

BRAND

WEG

SKU

2524560

WEIGHT

1.000 lb

UOM

each

Contact supplier for technical support on: 800-ASK-4WEG

$94.80 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Max voltage

277/480 VAC

Number of poles

3 poles

Rated current

20 A

Trip curve

D

Type

Thermal-magnetic

UL approval

UL489

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 and equipment protection in industrial electrical equipment.

  • 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: 2520103

Thanks, olha!

Olha, unlike the other service reps, actually got this order completed. If it wasn't for her, I would never spend another dime with your company, after what happened to my last order.

Read more

SKU: 1312255

Large motor purchased

Great website. prices very competitive. Would use again.

Read more

SKU: 1310383

Great service

Five Star Company -Easy ordering system and quick delivery.

Read more

SKU: 1308050

312 amp soft start qty 3

Very fast shipping and each one was crated very well.

Read more
Recently Viewed
$29,400.17 Each
Free Shipping orders over $100
#2485513
MasterDrive 4/SPC355-3535
Brand MasterDrive
Model 4/SPC355-3535
$668.42 Each
Free Shipping orders over $100
#178190
Gates 90022066 A66 Hi-Power II Belts
Brand Gates Rubber
Model A66
$12.54 Each
Free shipping
$5.57 Each
Free shipping
#5835876
$2.40 Each
Free shipping
Reviews

SKU: 2520103

Thanks, olha!

Olha, unlike the other service reps, actually got this order completed. If it wasn't for her, I would never spend another dime with your company, after what happened to my last order.

Read more

SKU: 1312255

Large motor purchased

Great website. prices very competitive. Would use again.

Read more

SKU: 1310383

Great service

Five Star Company -Easy ordering system and quick delivery.

Read more

SKU: 1308050

312 amp soft start qty 3

Very fast shipping and each one was crated very well.

Read more

Return policy

Item must be unused.

Item must be in it&#;s original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult 

​​​https://www.dropbox.com/s/atn13ff0575icuf/warranty%20and%20return%20policy.pdf?dl=0