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3M MU18-4R/SK Non-Insulated Ring Terminal, #4 Stud, 22-18 AWG, 600V - Non-Insulated Ring Terminals
3MNon-Insulated Ring Terminals

3M MU18-4R/SK Non-Insulated Ring Terminal, #4 Stud, 22-18 AWG, 600V

The 3M Ring Terminal: Bare (MPN MU18-4R/SK) is a non-insulated ring terminal with a #4 stud size, rated for 600 V and 22 AWG to 18 AWG wire sizes, featuring a butted barrel and seam design. 3G Electric interprets…

SKU 3G-OTH-18380

Also listed as: MU184RSK · MU18 4R SK · MU18-4R-SK

Brand
3M
Item
MU18-4R/SK Non-Insulated Ring Terminal, #4 Stud, 22-18 AWG, 600V
Part Number
MU18-4R/SK
Category
Non-Insulated Ring Terminals
Available to Order
Also known as:MU18-4R/SK3M
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
MU18-4R/SK
Type
#4 Stud Size, 600 V, Butted Barrel & Seam
Wire Sizes
22 AWG to 18 AWG

Technical Documents

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

Product Description

The 3M Ring Terminal: Bare (MPN MU18-4R/SK) is a non-insulated ring terminal with a #4 stud size, rated for 600 V and 22 AWG to 18 AWG wire sizes, featuring a butted barrel and seam design. 3G Electric interprets demand and delivers this genuine 3M terminal across 14 industrial departments, with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is a 3M non-insulated ring terminal used for?

A 3M non-insulated ring terminal creates a secure, permanent electrical connection between a wire and a #4 stud. It is used in control panels, industrial machinery, and power distribution where reliable grounding or termination is required at 600 V.

What are the specifications of the 3M MU18-4R/SK ring terminal?

The 3M MU18-4R/SK is a bare, non-insulated ring terminal with a #4 stud size, accepting 22 AWG to 18 AWG wire. It features a butted barrel and seam design, rated for 600 V. The manufacturer part number is MU18-4R/SK.

Where to buy 3M ring terminals for worldwide delivery?

3G Electric supplies 3M ring terminals like the MU18-4R/SK to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other 3M electrical connection products.

How to install a 3M non-insulated ring terminal?

Strip the wire to the recommended length, insert it into the barrel, and crimp using a tool matched to the 22–18 AWG range. For the 3M MU18-4R/SK, ensure the butted seam is fully compressed. No heat shrink is needed since the terminal is bare.

Used in

Common applications for 3M
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Cable protection — 3M heat shrink tubing for sealing and protecting electrical connections from moisture and abrasion.
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3M Products

3G Electric supplies 3M non-insulated ring terminals. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Non-insulated ring terminal for terminating electrical wires in control panels, power distribution, and equipment grounding. Accommodates #8 studs and 22–18 AWG wire, rated 600 V. Features butted barrel and seam construction for secure, low-resistance crimp connections
Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for power distribution, control panels, and grounding applications where a bare copper termination is required
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Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for power distribution, control panels, and grounding applications where a bare copper termination is required

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Non-insulated ring terminal rated for 1000 V with brazed barrel and seam. Accepts 12 AWG to 10 AWG wire and fits 1/2 in studs. Used for power distribution, motor connections, and grounding systems
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