Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT - Mechanically Alternating Side-Mounted Float Switches
MADISONMechanically Alternating Side-Mounted Float Switches

MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT

The MADISON Alternator Closed Liquid Level Switch: Selectable (MPN M4190) is a mechanically alternating side-mounted float switch with SPDT contacts and 304 Stainless Steel construction. It features lead wire…

SKU 3G-OTH-130173

Also listed as: M 4190 · M-4190

Brand
MADISON
Item
Alternator Closed Liquid Level Switch: Selectable, SPDT
Category
Mechanically Alternating Side-Mounted Float Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MADISON
Manufacturer Part Number
M4190
Type
SPDT
Stainless Steel
304

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MADISON Alternator Closed Liquid Level Switch: Selectable (MPN M4190) is a mechanically alternating side-mounted float switch with SPDT contacts and 304 Stainless Steel construction. It features lead wire termination and a specific gravity rating of 0.73. This product is designed for liquid level sensing applications.

Frequently Asked Questions

What is the MADISON M4190 alternator liquid level switch used for?

The MADISON M4190 is a mechanically alternating side-mounted float switch used for liquid level sensing in industrial tanks and vessels. Its SPDT contacts and 304 stainless steel construction suit water, oil, and chemical applications. 3G Electric supplies this switch globally, handling logistics and customs for worldwide delivery.

What are the specifications of the MADISON M4190 switch?

The MADISON M4190 is a mechanically alternating side-mounted float switch with SPDT contacts, 304 stainless steel construction, lead wire termination, and a specific gravity rating of 0.73. It is designed for reliable liquid level control in demanding environments. 3G Electric sources this MADISON part for global supply.

Where to buy the MADISON M4190 liquid level switch worldwide?

3G Electric supplies the MADISON M4190 alternator liquid level switch to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international delivery. Contact us to order this SPDT, 304 stainless steel switch for your liquid level sensing application.

How to install a MADISON M4190 side-mounted float switch?

Install the MADISON M4190 through a side port in the tank wall, ensuring the float moves freely without obstructions. Wire the SPDT contacts per your control circuit, using the lead wires provided. Verify the liquid specific gravity meets the 0.73 rating. 3G Electric can advise on sourcing and application support.

Used in

Common applications for MADISON
Industrial tank level monitoring — MADISON M4400-ULL-NO vertically mounted float switch for high-level alarm in water storage tanks
Pump control in wastewater systems — MADISON M4168-1 side-mounted float switch for automatic pump start/stop in sump pits
Hydraulic system flow verification — MADISON FS8000-20003 piston flow switch for detecting flow in lubrication lines
Chemical processing level sensing — MADISON M3827-3NO stainless steel float switch for corrosive liquid level detection
Non-contact level measurement in bulk storage — MADISON U5098-D024-019 ultrasonic sensor for tank level monitoring up to 19 ft
Cooling water flow monitoring — MADISON FS8000-10010 compact flow switch for verifying coolant flow in heat exchangers

MADISON Products

3G Electric supplies MADISON mechanically alternating side-mounted float switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT, 304 Stainless Steel (MPN M4190-HP)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT, 304 Stainless Steel (MPN M4190-HP)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT, 304 Stainless Steel (MPN M4190-BU)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPDT, 304 Stainless Steel (MPN M4190-BU)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M4065)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M4065)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, 316 Stainless Steel (MPN MS5010)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, 316 Stainless Steel (MPN MS5010)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Brass (MPN M4010)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Brass (MPN M4010)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN MS5917)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN MS5917)

More from MADISON

View all MADISON parts
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Kynar (MPN M9700)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Kynar (MPN M9700)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M4169-3)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M4169-3)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, PBT (MPN M7700)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, PBT (MPN M7700)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M5010)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M5010)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Polypropylene (MPN M8000B)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Polypropylene (MPN M8000B)
MADISON Alternator Closed Liquid Level Switch: Open On Rise, SPST, Polypropylene (MPN M8000-ULL-NC)
MADISON
MADISON Alternator Closed Liquid Level Switch: Open On Rise, SPST, Polypropylene (MPN M8000-ULL-NC)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN MS8010)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN MS8010)
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M5920)
MADISON
MADISON Alternator Closed Liquid Level Switch: Selectable, SPST, Stainless Steel (MPN M5920)