We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
3M Wire Disconnect: Bare, 22 AWG – 18 AWG Wire Size - Non-Insulated Flag Disconnects
3MNon-Insulated Flag Disconnects

3M Wire Disconnect: Bare, 22 AWG – 18 AWG Wire Size

The 3M Wire Disconnect, model MU18-187DF/FLAGK, is a non-insulated flag disconnect designed for 22 AWG to 18 AWG wire sizes with a 0.25 in x 0.02 in tab size. This bare disconnect from 3M provides a reliable…

SKU 3G-OTH-127729

Brand
3M
Item
Wire Disconnect: Bare, 22 AWG – 18 AWG Wire Size
Category
Non-Insulated Flag Disconnects
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

3M
Manufacturer Part Number
MU18-187DF/FLAGK
View Full Spec Sheet

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

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

Product Description

The 3M Wire Disconnect, model MU18-187DF/FLAGK, is a non-insulated flag disconnect designed for 22 AWG to 18 AWG wire sizes with a 0.25 in x 0.02 in tab size. This bare disconnect from 3M provides a reliable electrical connection for industrial applications.

Frequently Asked Questions

What is the 3M MU18-187DF/FLAGK wire disconnect used for?

The 3M MU18-187DF/FLAGK is a non-insulated flag disconnect used to create a reliable, quick-connect electrical termination for 22 AWG to 18 AWG wires in industrial control panels, appliances, and automotive wiring. Its flag design allows side-entry mating in tight spaces.

What are the specifications of the 3M MU18-187DF/FLAGK disconnect?

This 3M disconnect accepts 22 AWG to 18 AWG wire and features a 0.25 in x 0.02 in tab size. It is a bare, non-insulated flag disconnect with manufacturer part number MU18-187DF/FLAGK. It provides a secure crimp connection for industrial applications.

Where to buy the 3M MU18-187DF/FLAGK disconnect worldwide?

3G Electric supplies the 3M MU18-187DF/FLAGK disconnect worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this 3M part.

How to install a 3M non-insulated flag disconnect?

Strip the wire to the recommended length, insert it into the barrel of the 3M disconnect, and crimp firmly using a tool matched to 22–18 AWG terminals. Ensure the flag tab seats fully onto the mating male tab. No insulation is present, so avoid contact with adjacent conductors.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M non-insulated flag disconnects. 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 →

Similar products

Matched by specification & description
3M Wire Disconnect: Male Tab, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size, 600 V Max Volt (MPN MNG18-187DMK). Key specifications — Brand: 3M; Manufacturer Part Number: MNG18-187DMK.
3M
3M Wire Disconnect: Male Tab, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size, 600 V Max Volt (MPN MNG18-187DMK). Key specifications — Brand: 3M; Manufacturer Part Number: MNG18-187DMK.
3M Wire Disconnect: Female Socket, Bare, 12 AWG – 10 AWG Wire Size, 0.25 in x 0.032 in Tab (MPN MI10-250DFK). Key specifications — Brand: 3M; Manufacturer Part Number: MI10-250DFK.
3M
3M Wire Disconnect: Female Socket, Bare, 12 AWG – 10 AWG Wire Size, 0.25 in x 0.032 in Tab (MPN MI10-250DFK). Key specifications — Brand: 3M; Manufacturer Part Number: MI10-250DFK.
3M Wire Disconnect: Blue, Nylon, Partial Coverage, 0.25 in x 0.032 in Tab (MPN MNG14-250DMFK-A). Key specifications — attr1307662: Socket/Tab; attr1307676: 3M.
3M
3M Wire Disconnect: Blue, Nylon, Partial Coverage, 0.25 in x 0.032 in Tab (MPN MNG14-250DMFK-A). Key specifications — attr1307662: Socket/Tab; attr1307676: 3M.
3M Wire Disconnect: Male Tab, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size, 1,000 V Max Volt (MPN MNU18-187DMIK). Key specifications — Brand: 3M; Manufacturer Part Number: MNU18-187DMIK.
3M
3M Wire Disconnect: Male Tab, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size, 1,000 V Max Volt (MPN MNU18-187DMIK). Key specifications — Brand: 3M; Manufacturer Part Number: MNU18-187DMIK.
3M Wire Disconnect: Male Tab, Blue, Nylon, Partial Coverage, 16 AWG – 14 AWG Wire Size (MPN MNG14-250DMK). Key specifications — attr1307035: 3M; attr1307036: MNG14-250DMK.
3M
3M Wire Disconnect: Male Tab, Blue, Nylon, Partial Coverage, 16 AWG – 14 AWG Wire Size (MPN MNG14-250DMK). Key specifications — attr1307035: 3M; attr1307036: MNG14-250DMK.
3M Wire Disconnect: Female Socket, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size (MPN MNI18-250DFIK). Key specifications — Brand: 3M; Manufacturer Part Number: MNI18-250DFIK.
3M
3M Wire Disconnect: Female Socket, Red, Nylon, Full Coverage, 22 AWG – 18 AWG Wire Size (MPN MNI18-250DFIK). Key specifications — Brand: 3M; Manufacturer Part Number: MNI18-250DFIK.

More from 3M

View all 3M parts →
3M Wire Disconnect: Bare, 16 AWG – 14 AWG Wire Size, 0.25 in x 0.032 in Tab Size (MPN MU14-250DF/FLAGX). Key specifications — attr1307702: MU14-250DF/FLAGX; attr1307714: 3M.
3M
3M Wire Disconnect: Bare, 16 AWG – 14 AWG Wire Size, 0.25 in x 0.032 in Tab Size (MPN MU14-250DF/FLAGX). Key specifications — attr1307702: MU14-250DF/FLAGX; attr1307714: 3M.
3M Wire Disconnect: Bare, 22 AWG – 18 AWG Wire Size, 0.11 in x 0.032 in Tab Size (MPN MU18-250DF/FLAGK). Key specifications — attr1307702: MU18-250DF/FLAGK; attr1307714: 3M.
3M
3M Wire Disconnect: Bare, 22 AWG – 18 AWG Wire Size, 0.11 in x 0.032 in Tab Size (MPN MU18-250DF/FLAGK). Key specifications — attr1307702: MU18-250DF/FLAGK; attr1307714: 3M.