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3M M4-38RX Non-Insulated Ring Terminal - Non-Insulated Ring Terminals
3MNon-Insulated Ring Terminals

3M M4-38RX Non-Insulated Ring Terminal

The 3M Ring Terminal: Bare (MPN M4-38RX) is a non-insulated ring terminal rated for 1,000 V, featuring a brazed barrel and seam. It accommodates 4 AWG wire and a 3/8 in stud size. 3G Electric interprets demand and…

SKU 3G-OTH-19827

Also listed as: M438RX · M4 38RX

Brand
3M
Item
M4-38RX Non-Insulated Ring Terminal
Part Number
M4-38RX
Category
Non-Insulated Ring Terminals
Available to Order
Also known as:M4-38RX3M
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Local availability & support

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
M4-38RX
Type
1,000 V, Brazed Barrel & Seam
Stud Size
3/8 in
Wire Sizes
4 AWG to 4 AWG

Technical Documents

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

Product Description

The 3M Ring Terminal: Bare (MPN M4-38RX) is a non-insulated ring terminal rated for 1,000 V, featuring a brazed barrel and seam. It accommodates 4 AWG wire and a 3/8 in stud size. 3G Electric interprets demand and delivers this terminal across 14 industrial departments, with specialist depth in electrical components as an authorised distributor.

Frequently Asked Questions

What is a 3M M4-38RX ring terminal used for?

The 3M M4-38RX is a non-insulated ring terminal for terminating 4 AWG wire on a 3/8 in stud. It is rated for 1,000 V and features a brazed barrel and seam for reliable connections in industrial electrical panels, machinery, and power distribution applications.

What are the specifications of the 3M M4-38RX ring terminal?

The 3M M4-38RX is a bare, non-insulated ring terminal with a 3/8 in stud size, accepting 4 AWG wire. It is rated for 1,000 V and has a brazed barrel and seam construction. The manufacturer part number is M4-38RX.

Where to buy 3M M4-38RX ring terminals worldwide?

3G Electric supplies the 3M M4-38RX ring terminal to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 1,000 V, 4 AWG terminal with a 3/8 in stud size.

How to install a 3M M4-38RX non-insulated ring terminal?

Strip 4 AWG wire to the recommended length, insert the stripped conductor fully into the barrel, and crimp using a tool matched to the terminal size. The brazed barrel and seam provide a secure, low-resistance connection. Always follow 3M's crimp specifications for 1,000 V applications.

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.
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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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