SC70-10 Copper Cable Lug

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SC70-10 Copper Cable Lug

SC70-10 Copper Cable Lug

(3 đánh giá)

Đầu cos đồng SC 70

Vietnam

SC70-10 Copper Cable Lug – 70mm² Copper Lug with 10mm Bolt Hole ⚡

Specification Value
Model SC70-10
Product type One-hole copper cable lug
Suitable cable size 70mm²

SC70-10 Copper Cable Lug – 70mm² Copper Lug with 10mm Bolt Hole ⚡

Product Overview

SC70-10 copper cable lug is a standard copper crimp lug used to terminate 70mm² power cable and connect it securely to copper busbar, terminal block, MCCB, ACB, and other bolted electrical connection points inside switchboards and electrical cabinets.

This type of lug is widely used in low-voltage electrical systems because it provides a firm mechanical connection, good electrical conductivity, and stable long-term operation. With the proper crimping method, SC70-10 copper lug helps reduce contact resistance, minimize overheating at the joint, and improve overall connection reliability in industrial and commercial electrical installations. The sitemap also shows related product groups such as SC copper lugs, SC70-12, and GTY straight connectors on the same website.


⚙️ Technical Specifications

Specification Value
Model SC70-10
Product type One-hole copper cable lug
Suitable cable size 70mm²
Bolt hole diameter 10.5mm
Palm width 21mm
Overall length 49mm
Material thickness 3.4mm
Inner barrel diameter 11.1mm
Outer barrel width 14.5mm
Barrel length 20mm

The dimensions above are taken from the technical drawing shown in the uploaded product image. The requested article structure follows the uploaded sample/style file.


✅ Key Features of SC70-10 Copper Lug

  • Excellent conductivity for 70mm² power cable termination
  • Strong mechanical connection after proper crimping
  • Standard 10mm bolt hole suitable for many electrical devices
  • Quick and practical installation in control panels and distribution boards
  • Helps reduce joint heating when matched with the correct cable size
  • Reliable for long-term service in industrial electrical systems

🏭 Practical Applications

In actual electrical installation work, SC70-10 copper cable lug is commonly used for connecting 70mm² copper cable to busbars, molded case circuit breakers, terminal pads, switchgear, and power distribution equipment. This size is popular in motor control panels, pump control cabinets, distribution boards, and factory electrical systems where medium to high current cables are required.

From a technical installation perspective, SC70-10 is suitable when the connection point uses a 10mm bolt or an actual hole clearance of about 10mm to 10.5mm. When crimped properly with the correct hydraulic crimping die, the lug provides a compact and stable connection that helps prevent loose terminations, arcing, and abnormal temperature rise during long-term operation. 🔧

You can also refer to related product categories such as SC copper lugs, SC70-12 copper lug, and GTY straight connector listed in the uploaded sitemap.


📌 How to Choose the Right Product

When selecting SC70-10 copper lug, you should check these technical points carefully:

  • Correct cable size: this model is designed for 70mm² cable
  • Correct bolt hole size: SC70-10 is suitable for 10mm bolt connection
  • Correct lug material: for humid or corrosive environments, tinned copper is usually preferred
  • Correct crimping method: use a hydraulic crimping tool with the proper die size

Quick Selection Checklist

  • Using 70mm² cable → choose SC70
  • Connection point uses M10 bolt → choose SC70-10
  • Connection point uses M12 bolt → choose SC70-12
  • Need straight cable joining instead of bolted connection → use GTY straight connector

⚠️ Common Mistakes During Use

1. Choosing the wrong bolt hole size

A common site issue is using the correct cable size but the wrong lug hole size. For example, using SC70-10 on an M12 connection point often leads to manual drilling or enlarging the hole, which weakens the palm structure.

2. Poor crimping force

If the crimping tool is incorrect or the compression force is insufficient, the barrel will not grip the conductor tightly. This can cause overheating, voltage drop, and blackened cable ends after prolonged load operation.

3. Incorrect cable stripping length

If the conductor is stripped too short, it will not fully enter the lug barrel. If stripped too long, exposed copper remains outside the barrel, reducing insulation safety and installation quality.

4. Not cleaning the conductor before crimping

Oxidized or dirty conductor strands increase contact resistance. In practice, the cable end should be cleaned before crimping, especially for stored or aged cable.

5. Improper bolt tightening

Even if the lug is crimped correctly, a loose bolted joint still causes local heating. This is a very common failure point in electrical panels running continuous load.


❓ FAQ

1. What cable size is SC70-10 used for?

It is designed for 70mm² electrical cable.

2. What is the hole size of SC70-10?

According to the technical drawing, the hole diameter is about 10.5mm, suitable for 10mm bolt connection.

3. What is the difference between SC70-10 and SC70-12?

The main difference is the bolt hole size. SC70-10 is for M10, while SC70-12 is for M12 connection points.

4. Can SC70-10 be used for busbar connection?

Yes. It is commonly used to connect power cable to copper busbar or bolted terminals inside switchboards.

5. Should I use a mechanical crimper or hydraulic crimper?

For 70mm² cable, a hydraulic crimping tool is strongly recommended for better compression quality.

6. Is it acceptable to enlarge the hole manually if it does not fit?

It is not recommended. The correct model should be selected from the beginning to maintain proper mechanical strength and electrical safety.

7. Is this lug available in tinned copper?


🔗 Related Products You May Also Need

These internal links are based on products found in the uploaded sitemap.


🛒 Call to Action

If you are looking for SC70-10 copper cable lug for switchboard assembly, power cable termination, or electrical maintenance work, this is one of the most widely used lug sizes for 70mm² cable applications. Choosing the correct lug size, bolt hole, and crimping method will help ensure a safe, durable, and low-resistance connection. ⚡

👉 Contact us now for SC70-10 price quotation, stock availability, and technical support for selecting the right lug for your project.

TRUONG PHAT ELECTRICAL EQUIPMENT CO., LTD
📍 Address: No. 47, Lane 26, Van Phu Urban Area, Phu La, Ha Dong, Hanoi

☎️ 📞 Hotline:
📌 KD1: 0983.607.668-ZALO

📌 KD2: 0964.602.568-ZALO

📌 KD3: 0984.345.846-ZALO

📌 Khẩn cấp: 0869.685.636-Technical Support

🌐 Websites:
phukientudien.com.vn | codientruongphat.com
📩 Email: kinhdoanh3@truongphatme.com

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