# Allen-Bradley 440R-N23126 GuardMaster MSR127T Monitoring Safety Relay, 24V AC/DC, Light Beam/Curtain, SIL 3 - MROSupply.com

***Allen-Bradley 440R-N23126 GuardMaster MSR127T monitoring safety relay, 24V AC/DC, designed for monitoring safety light beams and curtains for point-of-operation control. Rated SIL 3 for reliable safety circuit monitoring in industrial machinery and automated systems.***



## Product details:

- Catalog number: 440R-N23126
- SKU: 5732887
- Price: ***$568.89*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Allen Bradley](https://www.mrosupply.com/brands/allen-bradley/)
- Category: 
    - [Contactor Parts & Accessories](htts://www.mrosupply.com/electrical/starters-and-contactors/contactor-parts-accessories/)
    - [Starters and Contactors](htts://www.mrosupply.com/electrical/starters-and-contactors/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 1.500 lb
- UPC: 611320826920
- Returns: Yes


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


## Product attributes;

  
- Auxiliary contacts: 1
  

  
- Depth: 22.5mm
  

  
- Function: Light Beam/Curtain
  

  
- Length: 114.5mm
  

  
- Number of channels: 2
  

  
- Performance level: e
  

  
- PL ISO 13849-1: e
  

  
- Range: Minotaur
  

  
- Reset method: Automatic & manual
  

  
- Safety category ISO 13849-1: 4
  

  
- Safety contacts: 3
  

  
- Series: MSR127T
  

  
- SIL IEC 61508: 3
  

  
- Supply voltage: 24V ac/dc
  

  
- Terminal type: Screw
  

  
- Width: 99mm
  
## Product documents / software:

- [Installation Instructions](https://documents.mrosupply.com/product_documents/57/32/5732887/A700000007719614_gK0prJy.pdf)
- [Machine Guarding and Safety Range Overview](https://documents.mrosupply.com/product_documents/57/32/5732887/0900766b8145a7b2_KU7xg8p.pdf)
- [Safety Relays 440R Datasheet](https://documents.mrosupply.com/product_documents/57/32/5732887/A700000006602977_OKIoPVM.pdf)
- [Single Function Safety Relays Data Sheet](https://documents.mrosupply.com/product_documents/57/32/5732887/0900766b813dd973_MxWKCk5.pdf)

## Product's reviews:
- Buyer - Ordering was easy and rec'd our product on time, Thank you
- Perfect - Excellent transaction, will buy from again, the website and checking out process was "Perfect".
- Fast delivery! - I was in a pinch with a project dateline around the corner. MRO was able to get me what I needed before the due date!
Saved by MRO!
- Easy and quick - Thanks.