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MADISON M3326-NPT-NO Vertically Mounted Float Switch - Vertically Mounted Float Switches
MADISONVertically Mounted Float Switches

MADISON M3326-NPT-NO Vertically Mounted Float Switch

The MADISON Closed Liquid Level Switch (MPN M3326-NPT-NO) is a vertically mounted float switch with a polypropylene construction. It features a SPST, close-on-rise operation and lead wires for electrical connection…

SKU 3G-OTH-30808

Also listed as: M3326NPTNO · M3326 NPT NO

Brand
MADISON
Item
M3326-NPT-NO Vertically Mounted Float Switch
Part Number
M3326-NPT-NO
Category
Vertically Mounted Float Switches
Available to Order
Also known as:M3326-NPT-NOMADISON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
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Technical Specifications

MADISON
Manufacturer Part Number
M3326-NPT-NO
Electrical Connection Type
Lead Wires
Minimum Media Specific Gravity
0.75

Technical Documents

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MADISON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MADISON Closed Liquid Level Switch (MPN M3326-NPT-NO) is a vertically mounted float switch with a polypropylene construction. It features a SPST, close-on-rise operation and lead wires for electrical connection. This switch requires a minimum media specific gravity of 0.75.

Frequently Asked Questions

What is the MADISON M3326-NPT-NO closed liquid level switch used for?

The MADISON M3326-NPT-NO is a vertically mounted float switch used to detect liquid levels in tanks or vessels. It closes a circuit on rising liquid level (close-on-rise) and is suitable for media with a specific gravity of at least 0.75, such as water or light oils.

What are the specifications of the MADISON M3326-NPT-NO?

The MADISON M3326-NPT-NO is a SPST, close-on-rise switch with polypropylene construction. It uses lead wires for electrical connection and requires a minimum media specific gravity of 0.75. It is designed for vertical mounting in industrial liquid-level applications.

Where to buy the MADISON M3326-NPT-NO worldwide?

3G Electric supplies the MADISON M3326-NPT-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 switch to any country.

How to install a MADISON vertically mounted float switch?

Mount the MADISON M3326-NPT-NO vertically through a tank opening, ensuring the float moves freely. Connect the lead wires to your control circuit per the close-on-rise SPST operation. Verify the media specific gravity is at least 0.75. Follow standard electrical safety practices for installation.

Used in

Common applications for MADISON
Water and wastewater treatment — Madison mechanically alternating float switches (M8700-C, MSB8800) for pump alternation and high-level alarm in wet wells and lift stations.
Chemical processing — Madison Kynar-bodied float switch (M9705) for level detection in tanks containing aggressive acids or solvents.
Oil and gas — Madison ultrasonic level transmitter (U5098-D024-019) for non-contact continuous level measurement in storage tanks up to 19 feet.
Food and beverage — Madison ultrasonic level sensor (U3M-148) with PVC housing for hygienic, non-contact level monitoring in mixing and holding tanks.
Power generation — Madison side-mounted float switches (M8790-14/4184) for sump and condensate tank level control in boiler rooms and turbine halls.
Municipal water supply — Madison ultrasonic transmitters (U3M-148C485) with 4-20mA output for remote monitoring of reservoir and clearwell levels.
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MADISON Products

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.

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