# Allen-Bradley 808-M4 Speed Switch, Bulletin 808, Industrial Monitoring Device - MROSupply.com

***Allen-Bradley 808-M4 is a Bulletin 808 speed switch designed for industrial monitoring applications. This device provides reliable detection of machine speed, typically used for overspeed or underspeed protection on conveyors, fans, and rotating machinery. It offers a robust solution for safeguarding equipment and processes by triggering an alarm or shutdown when a preset speed threshold is exceeded or not met.***



## Product details:

- Catalog number: 808-M4
- SKU: 5723940
- Price: ***$4,680.00*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Allen Bradley](https://www.mrosupply.com/brands/allen-bradley/)
- Category: 
    - [Limit Switches](htts://www.mrosupply.com/electrical/switches-selectors-pilot-lights/limit-switches/)
    - [Switches, Selectors & Pilot Lights](htts://www.mrosupply.com/electrical/switches-selectors-pilot-lights/)
    - [Electrical](htts://www.mrosupply.com/electrical/)
- Unit of measure: each
- Weight: 0.001 lb
- UPC: 781180856013
- Returns: Yes


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


## Product documents / software:

- [Specification sheet](https://documents.mrosupply.com/product_documents/57/23/5723940/SPEC_47788625_SpecificationSheet_Xtk1rht.pdf)

## Product's reviews:
- 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.
- Pressure switch - Very easy web site. I ordered my part and got in quick. My customer was happy.