Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you’re viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
We never sell your data to third parties
Allen-Bradley 840-4A1 Bulletin 840 automatic float switch for liquid level control and monitoring in tanks, sumps, and reservoirs. Provides reliable automatic operation for pump control, high/low level alarms, and liquid transfer applications. Robust construction suited for demanding environments and easy integration into control panels and automated systems.
MODEL 840-4A1
$3,330.00 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Surplus Product. Genuine Allen-Bradley® item sold as surplus by MRO Supply, an independent reseller — not an authorized Rockwell Automation distributor. Rockwell's factory warranty, TechConnect℠ support, and firmware entitlements do not apply. Sold as-is with no warranty. Allen-Bradley® and PowerFlex® are trademarks of Rockwell Automation, Inc.; MRO Supply is not affiliated with Rockwell.
Select Quantity
Typically Ships in: 1 day
Returnable: Yes
Allen Bradley 840-4A1 Automatic Float Switch The Allen Bradley 840-4A1 Automatic Float Switch is a highly reliable and precise device designed for monitoring liquid levels in various industrial applications. This float switch is engineered to provide accurate liquid level detection and control, enhancing operational efficiency and safety within manufacturing environments.
Key Features
| Durable Construction | Made from high-quality materials that ensure longevity and resistance to harsh environmental conditions. |
|---|---|
| Automatic Operation | Features a float mechanism that automatically activates on rising or falling liquid levels, providing seamless operation without manual intervention. |
| Versatile Compatibility | Suitable for use in a wide range of liquids, including water and oils, making it ideal for various industrial applications. |
| Compact Design | The compact form factor allows for easy installation in tight spaces, ensuring flexibility in system design. |
| Electrical Ratings | Rated for 15 A at 250 VAC, ensuring reliable performance in diverse electrical environments. |
Applications
| Water Treatment Facilities | Perfect for monitoring and controlling water levels in tanks and reservoirs. |
|---|---|
| Industrial Manufacturing | Utilized for liquid level control in processes such as chemical mixing and storage. |
| Pump Control Systems | Enhances the functionality of pumps by providing accurate level detection for effective operation. |
| HVAC Systems | Commonly used in heating and cooling systems to monitor condensate levels. |
Benefits
| Enhanced Safety | Reduces the risk of overflow and dry-running conditions, promoting a safe working environment. |
|---|---|
| Increased Efficiency | Automates liquid level management, ensuring optimal operation of processes and equipment. |
| Reliable Performance | Built to withstand demanding conditions, offering dependable service and minimal downtime. |
Product information compiled with AI assistance for reference purposes.
Dichtomatik 050842VB-BX NBR single lip oil seal with no spring, designed for rotating shaft applications. Features a steel case construction. Suitable for shaft diameters of 0.5 in, housing bore diameters of 0.843 in, and widths of 0.25 in. Operating temperature range is -40°F to +250°F (-40°C to +121°C).
| Brand | Dichtomatik |
| Model | 050842VB-BX |
Call for pricing
$4.98
Each
Free shipping
$48.80
Each
Free shipping
$151.53
Each
Free Shipping orders over $100
$8.12
Each
Free shipping
$186.12
Each
Free Shipping orders over $100
$5.95
Each
Free shipping