MADISON Closed Liquid Level Switch: Close On Rise, SPST
The MADISON Closed Liquid Level Switch (MPN M4400-PBT-ULL-NO) is a vertically mounted float switch with a brass construction and SPST switch action that closes on rise. It features lead wire electrical connections…
SKU 3G-OTH-30883
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Product Description
The MADISON Closed Liquid Level Switch (MPN M4400-PBT-ULL-NO) is a vertically mounted float switch with a brass construction and SPST switch action that closes on rise. It features lead wire electrical connections and requires a minimum media specific gravity of 0.56 for operation.
Frequently Asked Questions
What is the MADISON Closed Liquid Level Switch used for?
The MADISON Closed Liquid Level Switch (M4400-PBT-ULL-NO) is used for point-level detection in tanks or vessels. It closes its SPST circuit on rising liquid, making it suitable for high-level alarm or pump-control applications in water, oil, or chemical systems where the media specific gravity is at least 0.56.
What are the specifications of the MADISON M4400-PBT-ULL-NO?
This MADISON switch is a vertically mounted float switch with brass construction. It has SPST switch action that closes on rise, lead wire electrical connections, and requires a minimum media specific gravity of 0.56. The manufacturer part number is M4400-PBT-ULL-NO.
Where to buy the MADISON M4400-PBT-ULL-NO worldwide?
3G Electric supplies the MADISON M4400-PBT-ULL-NO worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this MADISON float switch to any country.
How to install a MADISON vertically mounted float switch?
Mount the MADISON switch vertically through a tank opening, ensuring the float moves freely. Connect the lead wires to your control circuit per the SPST close-on-rise action. Verify the media specific gravity meets the 0.56 minimum. Follow standard wiring practices and test operation before commissioning.
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3G Electric supplies MADISON vertically mounted float switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













