# Allen-Bradley 440R-M23086 GuardMaster MSR138 Safety Monitoring Relay, 24V DC, 3 Safety Contacts, 2 Auxiliary Contacts, PLe Cat 4, SIL 3 - MROSupply.com

***Allen-Bradley 440R-M23086 GuardMaster MSR138 safety monitoring relay, 24V DC supply, 3 safety N.O. contacts and 2 auxiliary contacts (1 N.O., 1 N.C.). Designed for monitoring E-stops, light curtains, and interlock switches. Meets PLe, Category 4 per ISO 13849-1 and SIL 3 per IEC 62061 for reliable safety circuit integration in industrial machinery.***



## Product details:

- Catalog number: 440R-M23086
- SKU: 5733365
- Price: ***$955.21*** 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: 611320826654
- Returns: Yes


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


## Product documents / software:

- [Specification sheet](https://documents.mrosupply.com/product_documents/57/33/5733365/SPEC_47785573_SpecificationSheet_xjySOrH.pdf)

## Product's reviews:
- Exellant - same as described, delivered on time.
thank you
- Great shopping - CORRECT ITEM AND FAST SHIPPING!!
- Pressure switch - Very easy web site. I ordered my part and got in quick. My customer was happy.
- Buyer - Ordering was easy and rec'd our product on time, Thank you