OverviewAllen-Bradley 840-A4 840 Automatic Float Industrial Switch, 600V
Mfr. Part Number:

840-A4/B
Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 840-A4 840 Automatic Float Industrial Switch, Style A, Low Force
Full Description: Allen-Bradley 840-A4 840 Automatic Float Industrial Switch, Style A, Low Operating Force, Convertable for Tank or Sump Operation, Type 4 Fiberglass Polyester Enclosure, Standard Contacts; Max Pilot Ratings: NEMA A600: 600VAC, NEMA N300: 250VDC; Provides automatic control for motors that pump liquids from a sump or tank. The contacts are rated for both motor and pilot duty, Series B
UPC / GTIN: 10781180905121
Status: Current Product
Inventory & PricesPLCH is Not Authorized Distributor of this product
Condition:

UPP (Used PLCH Packaging)
Warranty:
One Year PLCH Warranty. 
Manufacturer's Warranty & Support DO NOT apply.
Availability:
1 available for pre-order  
Shipping Date:
Ships on Oct 15, 2026  
Estimated Value:
Your Price: $1,877.00
Quantity:
 
Image
840-A4/B
Disclaimer
PLC Hardware (PLCH) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens or any other Manufacturers. PLCH is NOT Authorized Dealer of this product. The product may be of older version, date codes or design than that available from authorized dealers. As PLCH is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. PLCH sells pre-owned SURPLUS and USED equipment ONLY and DOES NOT sell SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining a proper license from the manufacturer. PLCH makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. PLCH also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from Original Manufacturer, its distributors, or any other source. PLCH also makes no representations as to your right to install any such software or firmware on the product. PLCH will not obtain or supply software or firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing software or firmware. Customer acknowledges and agrees that PLCH DOES NOT provide any software, firmware, operating system or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance and upgrades are subject to applicable manufacturer's Licensing Agreement or similar document.
 
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