Allen-Bradley 840-8A4 840 Automatic Float Switch Float Operator Assembly, Double P
$94.99
Out of stock
Request QuoteAllen-Bradley 840-8A4 — 840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base Mounted, Style A Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure
PLC Exchange is not an authorized distributor: Original Packaging is synonymous with Used Surplus. See Original Packaging or Warranty for more information.
Description
Allen-Bradley 840-8A4
840 Automatic Float Switch Float Operator Assembly, Double Parallel Arms, Base Mounted, Style A Industrial Switch, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester enclosure
| Product Information | |
|---|---|
| Catalog Number | 840-8A4 |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| UPC | 662073161516 |
PLC Exchange Original Packaging is synonymous with Used Surplus. Because we are not an authorized distributor, we are not legally allowed to claim these items as “New”, “Factory Sealed”, or any other term that may imply such. We have over 10 years of experience working with trusted suppliers to make sure you receive the top-quality hardware you need. Used Surplus items ship in their original packaging, with the same function and contents as OEM-supplied materials. PLC Exchange is an independent supplier of industrial automation products and is not affiliated with the brand manufacturer or any of its authorized distributors. All warranties are provided directly by PLC Exchange. Trademarks, logos, and brand names referenced are property of their respective owners and are used for descriptive identification only.
Disclaimer: PLC Exchange is an independent reseller and is not an authorized distributor, affiliate, licensee, partner, or agent of Allen-Bradley / Rockwell Automation. All product information on this page is compiled from publicly-available manufacturer publications, technical data sheets, and catalog sources, each of which remains the copyright of its originating manufacturer. We make no representation or warranty, express or implied, regarding the accuracy, completeness, timeliness, or fitness for any particular purpose of the specifications or descriptions shown — content may contain errors, omissions, or out-of-date information. Product images are the property of their respective manufacturers, trademark owners, and source publications, and are displayed solely for identification purposes under the nominative fair use doctrine; images are representative and may depict a different configuration or catalog variant than the exact product listed. Purchasers should independently verify specifications against the current manufacturer publication before placing an order. All product names, trademarks, service marks, and registered trademarks are the property of their respective owners, and their use does not imply endorsement or affiliation.
Technical Notes for 840-8A4
- Refer to the manufacturer's installation instructions for proper mounting, wiring, and configuration.
- Ensure compatibility with your existing system architecture before ordering.
- All 840-8A4 units sold by PLC Exchange are tested and ship in original factory packaging.
- For application-specific questions or system compatibility verification, contact PLC Exchange technical support at [email protected] or 980-202-0882.
Alternative Part Numbers & Names for 840-8A4
The 840-8A4 by Allen-Bradley may also be found under the following alternative names, catalog numbers, or common search variations:
- 8408A4
- Allen Bradley 840-8A4
- Allen-Bradley 840-8A4
- 840 8A4
- 840/8A4
All variations refer to the same Allen-Bradley product. If you are unsure whether this is the correct part for your application, contact our team for assistance.
Additional information
| warranty | 2.5 Year PLC Exchange Warranty, 30 Days worry-free return from delivery |
|---|---|
| upc | 662073161516 |
| mpn | 840-8A4 |
| manufacturer | Allen-Bradley |
| condition | Original Packaging |
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Frequently Asked Questions
Does the 840-8A4 include a warranty?
Yes. Every 840-8A4 sold by PLC Exchange includes a 2.5-year warranty (30 months, full replacement). Details: https://plcexchange.net/warranty-information/
What is the return policy for the 840-8A4?
PLC Exchange offers a 30-day worry-free return policy. Eligibility and details: https://plcexchange.net/return-policy/
When will my 840-8A4 ship?
In-stock orders placed before 4 PM ET ship the same business day via free UPS Ground. Expedited options (Next Day Air, 2nd Day Air) are available at checkout.
Who manufactures the 840-8A4?
The 840-8A4 is manufactured by Allen-Bradley. PLC Exchange is an independent reseller specializing in Allen-Bradley industrial automation products.

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