# Allen-Bradley 440R-D23171 MSR125H/HP Safety Relay, Two-Hand Control, 24V AC/DC, SIL 3 - MROSupply.com

***Allen-Bradley 440R-D23171 Bulletin 440R MSR125H/HP safety relay for two-hand control applications, 24V AC/DC supply, SIL 3 rated. Monitored safety function requires simultaneous activation of two separate inputs to help ensure operator safety.***



## Product details:

- Catalog number: 440R-D23171
- SKU: 5708783
- Price: ***$1,102.50*** 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: 0.001 lb
- UPC: 611320826432
- Returns: Yes


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


## Product attributes;

  
- Depth: 114.5mm
  

  
- Function: Two hand control
  

  
- Length: 99mm
  

  
- Number of channels: 2
  

  
- Performance level: e
  

  
- PL ISO 13849-1: e
  

  
- Range: Guardmaster
  

  
- Reset method: Automatic
  

  
- Safety category ISO 13849-1: 4
  

  
- Safety contacts: 2
  

  
- Series: MSR125H/HP
  

  
- SIL IEC 61508: 3
  

  
- Supply voltage: 24V ac/dc
  

  
- Width: 22.5mm
  
## Product documents / software:

- [Specification sheet](https://documents.mrosupply.com/product_documents/57/08/5708783/SPEC_47785518_SpecificationSheet_aHTjBhA.pdf)

## Product's reviews:
- 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!
- Exellant - same as described, delivered on time.
thank you
- Pressure switch - Very easy web site. I ordered my part and got in quick. My customer was happy.
- Easy and quick - Thanks.