Add products to your shopping cart
UMBW-1B1-4

Image for Illustration purposes only. Actual product may vary

WEG UMBW-1B1-4 MCB 1077 277VAC B 1P 4A Miniature CB

MODEL UMBW-1B1-4

BRAND

WEG

SKU

2524383

WEIGHT

0.300 lb

UOM

each

This vendor has a minimum order quantity of 4. Order minimum ($) may be applied. Add desired QTY to cart and proceed to checkout to view minimum

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

$12.00 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $1

Select Quantity

GET A QUOTE

Orders over $500 qualify for a Free Gift

Brand Minimum Order Quantity: 4

Typically Ships in: 1 day

Returnable: See conditions

Still Deciding?

Add this item to your saved items and easily come back later.

Max voltage

277 VAC

Rated current

4 A

Type

Thermal-magnetic

Trip curve

B

UL approval

UL1077

Number of poles

1 pole

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: 2853300

Web motors

The best price I have found plus great and fast shipping would recommend

Read more

SKU: 1312213

Great service and motor

This company rocks!!! They have done everything right by offering the best price and then delivering the product on time

Read more

SKU: 1307933

Just what i needed

This part arrived quickly and the price was right. Worked great for our application.

Read more

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

When you get to checkout, you’ll be able to select a free gift! Depending on the cart value, you’ll be shown relevant gifts your order qualifies for.

$500

MRO Hat
MRO Golf Balls
MRO Hi-Vis Vests
MRO Mug

$750

32oz Water Bottle
Throw Blanket
30 piece Hex Set
Telescopic Pick Up

$1,250

Golf Cooler
11-in-1 Screw Driver Set
Gorilla Grip Knee Pad
John Deere Oilskin Hat

$2,500

Igloo 1/2 Gallon Jug
Rechargable Headlamp
Larix Trucker Hat

$5,000

Igloo 10 Gallon Cooler
Igloo Party Bucket Cooler
Klein Tools Speaker
Klein Tools 8-in-1

$7,500

GX-6F Pro Golf Range Finder
Bushnell Outdoorsman Speaker
Jaeger 24px Ratcheting Wrench Set
Aspen Beverage Bucket

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