# WEG UMBW-4D1-1 Miniature Circuit Breaker 1A 277VAC/60VDC 1-Pole D-Curve - MROSupply.com

***WEG UMBW-4D1-1 is a miniature circuit breaker (MCB) from the UMBW series, rated for 1 ampere at 277VAC/60VDC. This single-pole breaker features a D-type trip curve for applications with high inrush currents, such as small transformers or motors. It provides reliable overload and short-circuit protection in control panels, machinery, and lighting circuits, designed for DIN rail mounting and compliance with international standards.***



## Product details:

- Catalog number: UMBW-4D1-1
- SKU: 2524538
- Price: ***$31.80*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [WEG](https://www.mrosupply.com/brands/weg/)
- Category: 
    - [Miniature Circuit Breakers](htts://www.mrosupply.com/electrical/circuit-protection-and-distribution/circuit-breakers/miniature-circuit-breakers/)
    - [Circuit Breakers](htts://www.mrosupply.com/electrical/circuit-protection-and-distribution/circuit-breakers/)
    - [Circuit Protection and Distribution](htts://www.mrosupply.com/electrical/circuit-protection-and-distribution/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 0.300 lb
- Technicall support: contact supplier for technical support on 800-ASK-4WEG


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Max voltage: 277 VAC
  

  
- Number of poles: 1 pole
  

  
- Rated current: 1 A
  

  
- Trip curve: D
  

  
- Type: Thermal-magnetic
  

  
- UL approval: UL489
  


## Product's reviews:
- Great service and motor - This company rocks!!! They have done everything right by offering the best price and then delivering the product on time
- Happy customer - My first time using MRO . The fast delivery " free" was fantastic .. received exactly what ordered at a very reasonable price , making my customer happy..
- Web motors - The best price I have found plus great and fast shipping would recommend
- Very pleased - Easy to order, fast delivery, great price and unit works great. couldn't be more pleased with this purchase.