Professional Cord End Terminals Manufacturer (Insulated & Non-Insulated)
TONFUL Electric is a premier manufacturer of high-performance Cord End Terminals (Wire Ferrules), engineered to provide a neat, safe, and high-quality termination for stranded wires. Designed to prevent wire strands from fraying or breaking when inserted into screw or spring-clamp terminal blocks, our ferrules ensure 100% electrical contact and significantly improve the vibration resistance of your connections.
Our comprehensive range includes Single-Wire Insulated Ferrules, Twin (Double) Wire Ferrules, and Non-Insulated Bare Ferrules, covering wire sizes from 24 AWG to 2/0 AWG (0.25mm² to 70mm²). Manufactured from high-purity electrolytic copper with premium electro-tin plating, TONFUL terminals strictly comply with DIN 46228 standards, offering reliable circuit protection for industrial control panels, switchgears, and power distribution systems.
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Our Cord End Terminals Range
Cord End Terminal
Twin Cord End Terminal
Non-Insulated Cord End Terminal
Technical Specifications: Cord End Terminals (Wire Ferrules)
| Specification | Available Options / Parameters |
|---|---|
| Terminal Type (端子类型) | Insulated Single, Insulated Twin (Duo), Non-Insulated (Bare) |
| Wire Range (适用线径) | 24 AWG to 2/0 AWG (0.25mm² to 70mm²) |
| Body Material (基材材质) | High-Purity Electrolytic Copper (E-Cu) |
| Surface Plating (表面镀层) | Electro-Tin Plated (Prevents oxidation) |
| Insulation Material (绝缘材质) | Flame Retardant PVC, Nylon, or PP (Polypropylene) |
| Color Standards (颜色标准) | DIN Standard (Standard), German Standard, French Standard |
| Operating Temp (工作温度) | -40°C to +105°C |
| Approvals (认证标准) | DIN 46228, RoHS, REACH, CE |
| OEM Services (定制服务) | Custom pin lengths, custom color kits, branded packaging |
Why Choose TONFUL Cord End Terminals
100% Electrolytic Copper for Maximum Conductivity
We refuse to use inferior brass or recycled copper. Our terminals are stamped from high-purity electrolytic copper, ensuring the lowest electrical resistance and preventing heat build-up even under continuous heavy electrical loads.
Premium Tin Plating for Corrosion Resistance
To prevent oxidation and guarantee long-term reliability in humid or industrial environments, all TONFUL cord end terminals feature a thick, uniform electro-tin plating. This ensures the connection remains gas-tight and conductive for decades.
Flame Retardant & High-Temperature Insulation
Our insulated sleeves are made from premium polymers (PP or Nylon) that meet UL94 V-2 or V-0 flammability ratings. They won’t crack or deform under heat, and the flared entry design allows for effortless wire insertion without snagging.
Strict Compliance with DIN 46228 Standards
Whether you are exporting panels to Europe or the US, our terminals match international color coding and dimensional standards. This ensures they fit perfectly into any standard terminal block and are compatible with all professional crimping tools.
Secure Twin-Wire (Duo) Solutions
For complex control circuits requiring "daisy-chain" jumping, our Twin Cord End Terminals allow two stranded wires to be crimped into a single ferrule securely. This saves space in the terminal block and creates a much cleaner, more professional wiring layout.
Massive Inventory & Assortment Kits
As a high-volume manufacturer, we maintain massive stocks of all standard sizes and colors for immediate global shipping. We also provide professional assortment kits (boxes) for distributors and maintenance teams, tailored to your specific market requirements.
Professional Selection Guide
Step 1: Match the Wire Cross-Section (mm² / AWG)
Select the ferrule size that matches your wire gauge exactly. A 1.5mm² wire requires a 1.5mm² (16 AWG) ferrule. Using a size too large will result in a weak crimp, while a size too small will damage the wire strands.
Step 2: Choose Single vs. Twin Ferrules
Decide if you are terminating a single wire or two wires into one terminal. Use Twin Ferrules (identifiable by their larger, rectangular-shaped insulation) when you need to bridge two wires together at a single connection point.
Step 3: Select the Pin (Tube) Length
Standard pin lengths (e.g., 8mm or 12mm) fit most terminal blocks. However, for extra-deep spring-clamp terminals or heavy-duty contactors, you may need to specify Long Pin versions to ensure the contact reaches the internal clamping mechanism.
Step 4: Pick the Insulation Style
Choose Insulated Ferrules for 99% of panel building applications to prevent accidental contact between adjacent wires. Use Non-Insulated (Bare) Ferrules only for specific high-temperature environments where plastic would melt.
Step 5: Confirm the Color Coding Standard
Different regions use different color codes for the same wire size. DIN Standard (e.g., 1.5mm² = Black) is the most common globally, but always verify if your customer requires the German or French color standard.
Step 6: Use the Correct Crimping Tool
A cord end terminal is only as good as its crimp. For the best result, use a high-quality square or hexagonal self-adjusting crimping tool. This creates a uniform compression that fits perfectly into the circular or square holes of terminal blocks.
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MORE THAN JUST A CORD END TERMINAL MANUFACTURER
Service Consultation
Whether your Cord End Terminal requirements are straightforward or complex, our team provides expert advice and technical consultation. For more intricate projects, we offer in-depth engineering support to ensure optimal product selection and application, guaranteeing safety and efficiency in your electrical systems.
Product Recommendations
Unsure which Cord End Terminal suits your system? Our specialists provide free, customized recommendations based on your specific operational and environmental requirements, ensuring you get the perfect fit for your electrical protection needs.
Installation Support
Need help with installation? Our technical team is available to answer your questions or provide hands-on support. For larger projects, we can even dispatch an engineer to your site for on-the-ground assistance, ensuring your Cord End Terminals are installed correctly and function seamlessly within your electrical network.
Logistics Support
If you lack a reliable freight forwarder, we can arrange transportation from our factory to your project site at no extra cost. Our logistics team ensures timely and secure delivery to keep your project on schedule, minimizing downtime and delays.
Frequently Asked Questions
We have compiled some common questions from our clients. If your question isn’t included here, our customer service is always available to help. We’d love to talk with you.
Q1: Why should I use a cord end terminal instead of just bare stranded wire?
Bare stranded wire can easily “fan out” when tightened under a screw, leading to loose connections and potential short circuits. A ferrule bundles the strands into a solid pin, ensuring a permanent, low-resistance connection that is resistant to vibration.
Q2: Are your terminals made of copper or brass?
TONFUL strictly uses Electrolytic Copper. Brass terminals are much more brittle and have significantly lower conductivity. Our copper terminals provide the best possible mechanical crimp and electrical performance.
Q3: What is the difference between DIN, German, and French color codes?
The physical dimensions are the same, but the color of the plastic sleeve differs. For example, a 1.0mm² ferrule is Red in the DIN standard, Yellow in the French standard, and Red in the German standard. We can supply all three.
Q4: Do you offer "Long" version ferrules?
Yes. While 8mm is the standard pin length for small gauges, we offer extended pin lengths (10mm, 12mm, 15mm, 18mm) to accommodate deep terminal blocks and specialized industrial equipment.
Q5: Can I buy these in pre-packaged assortment boxes?
Absolutely. We offer various professional assortment kits containing the most popular sizes (0.5mm² to 6.0mm²) in high-quality plastic organizer boxes, which are ideal for retail distributors or on-site electricians.
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