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100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections 100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections
100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections 100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections
100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections 100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections
100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections 100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections
100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections 100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections

100% QC-Inspected RNB Series Tin-Plated Non-Insulated Copper Ring Terminals, ISO CE RoHS Compliant, Defect-Free for Electrical Connections

US$ 0.01 ~ 1.00
Min.Order: 100
Product origin: Wenzhou, Zhejiang, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 27 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : RNB Series
  • Material : Copper (Tin-Plated)
  • Current Rating : 19A-650A (Depending on Size)
  • Wire Range : 0.5-400mm² (AWG 22-600MCM)
  • Surface Treatment : Pickling and Tin Plating
  • Terminal Type : Non-Insulated Ring Terminal
  • Color : Silver (Natural Copper Color)
  • Packaging : Bulk Packaging Available
  • Certifications : ISO 9001, CE, RoHS Compliant
  • Application : Electrical Wiring Connections
  • Production Standard : International Electrical Standards

Sample orders run about $0.08 a piece, mid-volume gets you down to $0.05 or so, and bulk pricing can drop to $0.03 — it's basically the most cost-effective way to handle high-density wiring in distribution cabinets.

We've seen these used in everything from factory workshops to household appliances, though they're not really suited for outdoor exposed connections without additonal weatherproofing.

Copper Ring Terminal

The RNB series covers 19A up to 650A depending on size, with a wire range of 0.5mm² to 400mm² (AWG 22-600MCM), and the tin-plated surface gives you that anti-corrosion edge without adding much cost.

Terminal Size Chart

What it does is give you a solid crimp connection with pickling treatment to prevent rust, and the smooth suface finish makes installation pretty straightforward — you'll notice the difference when you're working with higher gauge wires.

Terminal Application

Also, we keep bulk packaging as the default, so you're not paying for individual bags or labels, and the ISO 9001 and CE certifications are standerd (usually 2-4 weeks lead time for custom sizes).

Most buyers go with the 10mm² or 25mm² sizes for distribution panels, and the tolerance on inner diameter is tighter than most generic terminals — that's something you'd notice when trying to fit them on standard bus bars.

Frequently Asked Questions

What is the minimum order quantity for the RNB series copper ring terminals?

For the RNB series, the MOQ typically starts at 500 pieces per size, but we can negotiate lower quantities for sample orders or custom projects. Just reach out to our sales team for exact numbers.

What is the typical lead time for a custom order of these ring terminals?

Standard lead time is around 15-20 working days after order confirmation, depending on the quantity and customization complexity. Rush orders can be arranged if needed.

Can you provide ISO 9001 and CE certificates for the RNB series?

Yes, we supply ISO 9001, CE, and RoHS compliance documents with every shipment. Just request them when placing your order, and we'll include them in the package.

Does the RNB series include terminals for 400mm² wire, and what is the maximum current rating for that size?

Yes, the RNB series covers up to 400mm² wire range, and for that size, the current rating is 650A. Check our spec sheet for exact dimensions and ratings per model.

Is bulk packaging available for the RNB terminals, and how are they packed to prevent corrosion?

Absolutely, we offer bulk packaging in cartons or poly bags. The terminals are tin-plated and pickled for anti-corrosion, plus we add a moisture barrier layer in the packaging to keep them dry during storage and transit.

G***N 2026-02-02

Zippy delivery was the first thing that impressed me. The package arrived far sooner than the estimated window, which was a fantastic start. Zero issues with the shipping process; it was tracked accurately and arrived in perfect condition. The quality of these copper ring terminals is absolutely zero-compromise. They feel substantial, the copper is clearly high-grade with a great finish, and the design is precisely as advertised. Zestfully moving on to service, although I didn't need to contact them, the ordering process was seamless and the communication regarding the shipment was clear and timely. Zoning in on the overall experience, it was thoroughly positive from selection to unboxing. These terminals seem perfectly suited for professional electrical work, and the fact they are customizable adds significant value. Zero hesitation in recommending this seller for anyone needing reliable electrical components. A truly satisfactory purchase all around.

V***K 2026-02-01

S***I 2026-01-30

Excellent experience with this order. The shipping was exceptionally fast and efficient, arriving well ahead of the estimated delivery date. Everything was packaged securely with no signs of damage. The quality of the terminals appears to be exactly as described; they feel solid and well-made. Engaging with the seller was effortless, and any preliminary questions were answered promptly and professionally. Entirely satisfied with the transaction from start to finish. Expect to order again in the future for other projects. Efficient service and a smooth process overall.

P***Y 2026-01-24

Yikes, the shipping was incredibly fast, arriving two days ahead of schedule, which was a fantastic surprise. The packaging was secure and professional, ensuring the terminals arrived in perfect condition without any bends or damage. Regarding quality, the copper material feels substantial and well-made, with a smooth finish and precise machining on the ring and barrel. The service aspect was also commendable; the seller responded promptly to my initial inquiry with clear and helpful information. Overall, a very positive experience from order to delivery, making repurchasing an easy decision. The terminals themselves seem durable and fit for purpose in electrical applications, though I have yet to install them. The entire process was hassle-free and efficient.

G***L 2026-01-19

B***U 2026-01-05

Great experience overall. The shipping was surprisingly fast, arriving well ahead of the estimated delivery window. Everything was packaged securely with no signs of damage. The quality of the terminals themselves is excellent. The copper material feels solid and substantial, and the finish is clean and precise. Customer service was also responsive and helpful when I had a pre-purchase question about specifications. A very smooth transaction from start to finish.

E***S 2025-12-31

My experience with these terminals was mixed, primarily due to logistics. The delivery was significantly delayed beyond the initial estimated window, which caused a minor setback in my project timeline. Communication regarding the shipping status was minimal, leaving me uncertain about the arrival date. Once the package arrived, the packaging was secure and the items were well-protected, which was a positive note. Regarding quality, the copper material appears to be of good standard, with a solid feel and clean finish on the ring terminals I inspected. They seem durable and suitable for electrical applications. The service aspect was average; the ordering process was straightforward on the website, but the lack of proactive shipping updates was a letdown. Overall, while the product quality seems reliable, the shipping experience could be greatly improved for better customer satisfaction.

E***B 2025-12-22

Delivery was exceptionally fast and the packaging was very secure. The items arrived in perfect condition without any delays. The quality of the copper ring terminals is outstanding; they feel solid and well-made, with a nice finish. Customer service was also very responsive and helpful when I had a question about my order. Definitely a positive experience overall.

Y***L 2025-12-20

Xcellent delivery speed and packaging. The order arrived much sooner than anticipated, which was a pleasant surprise. The items were securely packaged, preventing any damage during transit. Quality appears solid upon initial inspection; the copper material seems genuine and well-made, suitable for electrical applications. Customer service was responsive when I had a pre-sale question, providing clear and helpful information promptly. Overall, a very smooth and satisfactory purchasing experience from start to finish. I would definitely consider buying from this seller again for similar electrical components. The transaction felt reliable and professional, which is important for technical supplies like these.

C***Q 2025-12-17

Quick delivery and excellent packaging. The terminals arrived securely boxed with no damage. Quality seems solid; the copper material appears pure and well-formed. Customer service was responsive when I had a question about my order. Overall, a very satisfactory purchase experience.

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