# WEG RWB40E-3-A4U040 Overload Relay 8A - 40A Adjustable Range, 3-Pole, Thermal Overload Protection - MROSupply.com

***WEG RWB40E-3-A4U040 is a thermal overload relay from the RWB series, designed for motor protection in industrial control circuits. This 3-pole unit features an adjustable current setting range from 8 to 40 amps, providing Class 10 trip characteristics for reliable overload and phase-loss protection. It is compatible with WEG CWB series contactors and is engineered for easy mounting and manual or automatic reset operation in motor starter applications.***



## Product details:

- Catalog number: RWB40E-3-A4U040
- SKU: 2852822
- Price: ***$95.56*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [WEG](https://www.mrosupply.com/brands/weg/)
- Category: 
    - [Overload Relays](htts://www.mrosupply.com/electrical/relays/overload-relays/)
    - [Relays](htts://www.mrosupply.com/electrical/relays/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 1.000 lb
- Technicall support: contact supplier for technical support on 800-ASK-4WEG


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


## Product attributes;

  
- Application/mounting: For contactor CWB
  

  
- Current range: 8-40 A
  

  
- Maximum insulation voltage: Ui = 690 V
  

  
- Number of poles: 3
  

  
- Reset: Automatic/manual
  

  
- Trigger class: 10.20.30
  

  
- Type: Electronic
  


## Product's reviews:
- Pricing - Competitive price
- Centrifugal switch - Absolutely what I expected in much less time than I expected! Will definitely order again.
- 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.
- 312 amp soft start qty 3 - Very fast shipping and each one was crated very well.