Copper Cable Lug Wholesale

Tired of cable lugs that corrode, overheat, or fail under high current? Difvan Copper Cable Lugs are built to fix that. Made from 99.9% pure electrolytic copper and tinned for superior corrosion resistance, they deliver stable, long-lasting electrical connections in demanding setups from industrial panels to transformers and power systems.

Difvan makes upgrading easy with free samples, 30-day credit terms, and worldwide delivery. Whether you need standard or custom copper compression lugs, our products ensure safe, efficient, and maintenance-free connections for every application.

cable lug
copper lugs
terminal lug

copper compression lugs

High-Conductivity Copper Build

Made from high-purity electrolytic copper with over 97% IACS conductivity, these lugs deliver excellent electrical performance and reliability. The high-conductivity copper ensures efficient power transfer and minimal energy loss in every connection.

Each lug is tin-plated to resist oxidation and corrosion, maintaining a clean surface even in harsh environments. The annealed copper structure allows smooth, crack-free crimping, ensuring durable and secure terminations during installation.

Types of Copper Cable Lugs

Difvan provides a full range of copper compression lugs designed to meet various electrical installation requirements. Each type is precisely manufactured for smooth conductor entry, strong crimping, and long-lasting performance in high-voltage and industrial applications.

TypeFeaturesApplications
SC (JGK)Includes an inspection hole for visual wire verification after crimping.Ideal for installations where conductor inspection is required.
SC (JGA)Compact design with no inspection hole.Suitable for confined spaces and compact electrical panels.
SC (JGY)With inspection hole for welding and heavy-duty cables.Used for welding cables and high-current circuits.
SC (JGB)With inspection hole and bell mouth for smooth wire entry.Prevents wire damage and ensures reliable crimping in demanding environments.

All Difvan copper terminal lugs are tinned for corrosion resistance, annealed for crack-free crimping, and available in straight, 45°, 90°, and dual-cable designs to fit any installation setup.

Whether you are wiring industrial machinery, battery systems, or power distribution panels, Difvan offers the right copper lug type to ensure a safe, efficient, and maintenance-free connection.

  • SC(JGK) With inspection hole

copper-terminal

  • SC(JGA) With no inspection hole

copper cable lugs

  • SC(JGY) With inspection hole

welding cable lugs

  • SC( JGB) With inspection hole and bell mouth

copper terminal lugs

Technical Specifications

Every Difvan Copper Cable Lug is engineered with precision to ensure maximum conductivity, corrosion resistance, and long service life in demanding electrical environments. Our lugs comply with international standards (IEC and DIN) and are suitable for industrial, commercial, and automotive applications.

SpecificationDetails
MaterialHigh-purity electrolytic copper (≥99.9% purity, ≥97% IACS conductivity)
FinishTin-plated surface for superior corrosion resistance and oxidation protection
AnnealingFully annealed for crack-free crimping and enhanced flexibility
Voltage RatingSuitable for high-voltage applications up to 3.3 kV
Temperature Range-55°C to +155°C
Sizes AvailableFrom 8 AWG to 4/0 AWG (custom sizes available on request)
Stud Hole Sizes1/4″, 5/16″, 3/8″, 1/2″
Shape OptionsStraight, 45°, 90°, elbow, and dual-cable configurations
StandardsConforms to IEC, DIN, and UL specifications
Insulation OptionsCompatible with heat shrink or PVC sleeves for added protection

All Difvan copper cable lugs undergo strict quality control at every stage — from raw copper sourcing to tin plating and final inspection — ensuring consistent performance and reliability in every batch.

Applications of Copper Cable Lugs

Difvan Copper Cable Lugs are trusted by electrical professionals worldwide for their high conductivity, secure crimping performance, and long-lasting durability.
They are ideal for a wide range of industrial, commercial, and automotive applications where stable electrical connections are critical.

Application AreaDescription
Power Distribution SystemsUsed to connect conductors in switchboards, transformers, and control panels for efficient current flow.
Industrial Machinery & EquipmentProvides reliable terminations for motors, drives, and electrical control units.
Automotive & Marine WiringEnsures strong, corrosion-resistant connections in vehicles, boats, and heavy equipment.
Renewable Energy SystemsSuitable for solar, wind, and backup energy systems that require high-current carrying capability.
Construction & Building WiringPerfect for electrical distribution boxes and cable terminations in commercial and residential buildings.
Battery and Inverter ConnectionsDelivers safe, low-resistance connections for power storage and UPS systems.

No matter the environment — high current, vibration, or exposure to moisture — Difvan’s copper lugs ensure consistent conductivity and dependable performance.
Our products are designed to meet the exacting standards of modern electrical installations, providing a safe and efficient connection every time.

 

Item No.

Dimension of Cable Lug(MM)

Large Inspection HoleNO Inspection HoleSmall Inspection HoleInspection Hole and Bell MouthΦ

D

d

L

SC (JGK)-1.5SC (JGA)-1.5SC (JGY)-1.5SC (JGB)-1.5Φ4.2/ Φ5.2

3.5

1.8

18

SC (JGK)-2.5SC (JGA)-2.5SC (JGY)-2.5SC (JGB)-2.5Φ4.2/ Φ5.2 /  Φ6.2

4

2.5

19

SC (JGK)-4SC (JGA)-4SC (JGY)-4SC (JGB)-4Φ5.2 /  Φ6.2

4.8

3.1

21

SC (JGK)-6SC (JGA)-6SC (JGY)-6SC (JGB)-6Φ5.2 /  Φ6.2 /  Φ8.2

5.5

3.8

24

SC (JGK)-10SC (JGA)-10SC (JGY)-10SC (JGB)-10Φ6.2 /  Φ8.2

6.8

4.8

25.5

SC (JGK)-16SC (JGA)-16SC (JGY)-16SC (JGB)-16Φ6.2 /  Φ8.2 /Φ10.5

7.5

5.5

30.5

SC (JGK)-25SC (JGA)-25SC (JGY)-25SC (JGB)-25Φ6.2 /  Φ8.2 /Φ10.5

9

7

34

SC (JGK)-35SC (JGA)-35SC (JGY)-35SC (JGB)-35Φ6.2 /  Φ8.2 /Φ10.5 /Φ12.5

10.5

8.2

38

SC (JGK)-50SC (JGA)-50SC (JGY)-50SC (JGB)-50Φ8.2 /Φ10.5 /Φ12.5

12.5

9.8

45

SC (JGK)-70SC (JGA)-70SC (JGY)-70SC (JGB)-70Φ8.2 /Φ10.5 /Φ12.5

14.5

11.5

50

SC (JGK)-95SC (JGA)-95SC (JGY)-95SC (JGB)-95

Φ10.5 /Φ12.5

17.5

13.8

55.5

SC (JGK)-120SC (JGA)-120SC (JGY)-120SC (JGB)-120Φ12.5 /Φ16.5

19.5

15.5

63

SC (JGK)-150SC (JGA)-150SC (JGY)-150SC (JGB)-150Φ12.5 /Φ16.5

21

16.5

71

SC (JGK)-185SC (JGA)-185SC (JGY)-185SC (JGB)-185 Φ16.5

23.5

18.8

78

SC (JGK)-240SC (JGA)-240SC (JGY)-240SC (JGB)-240 Φ16.5

26.5

21

92

SC (JGK)-300SC (JGA)-300SC (JGY)-300SC (JGB)-300 Φ16.5/Φ20.5

30

24

102

SC (JGK)-400SC (JGA)-400SC (JGY)-400SC (JGB)-400 Φ16.5/Φ20.5

34

26.5

11

SC (JGK)-500SC (JGA)-500SC (JGY)-500SC (JGB)-500 Φ16.5/Φ20.5

38

30

123

SC (JGK)-630SC (JGA)-630SC (JGY)-630SC (JGB)-630Φ20.5

45

35

135

SC (JGK)-800SC (JGA)-800SC (JGY)-800SC (JGB)-800Φ20.5

50

39

170

SC (JGK)-1000SC (JGA)-1000SC (JGY)-1000SC (JGB)-1000Φ20.5

56

44

200

copper lug crimping tool

DIFVAN electric is a professional tool supplier for all kinds of crimping tools. These tools can be used to crimp terminals and also cable lugs. YQK-70, YQK-120, YQK-240 and YQK-300 are used for crimping aluminum and cooper or metal type materials. Crimping range of this kind of tool can be from 10mm2 to 300 mm2.

 

YQK-70 crimping tool

yqk-70

Product ModelYQ-70
Range of Application4-70 MM2
Crimping Force6 Ton
Length Size310 MM
Standard Dies4/6/10/16/25/35/50/70 MM2
Weight2.5 Kgs

 

YQK-240 crimping tool — IMAGE P11

wire lug connectors

Product ModelYQK-240
Range of Application10-240 MM2
Crimping Force8 Ton
Length Size475 MM
Standard Dies16/25/35/50/70/95/120/150/185/240 MM2
Weight4.8 Kgs

 

YQK-300 crimping tool — IMAGE P12

cable crimp lugs

Product ModelYQK-300
Range of Application10-300 MM2
Crimping Force8 Ton
Length Size475 MM
Standard Dies25/35/50/70/95/120/150/185/240/300 MM2
Weight6.4 Kgs

If you are looking for a cable lug manufacturer, then you are in the right place.

Advantages of Difvan Copper Cable Lugs

Choosing the right cable lug is critical for ensuring safety, performance, and reliability in any electrical system. Difvan Copper Cable Lugs are engineered to deliver consistent quality and value for professionals across industries.

AdvantageDescription
High ConductivityMade from 99.9% pure electrolytic copper to ensure maximum current flow and minimal voltage drop.
Corrosion ResistanceTin-plated surface provides excellent protection against oxidation and harsh environmental conditions.
Durable ConstructionFully annealed for strength and flexibility, allowing crack-free crimping even under heavy load.
Wide CompatibilityAvailable in multiple sizes and stud hole options to fit a variety of cables and terminals.
Custom & OEM OptionsCustom shapes, sizes, and branded packaging available to meet specific customer requirements.
Free Samples & 30-Day CreditDifvan offers free product samples and flexible payment terms to make sourcing easier and risk-free.
Global DeliveryFast worldwide shipping with reliable packaging to ensure every product arrives ready to use.

Each Difvan copper lug combines precision manufacturing and international quality standards, giving you complete confidence in every electrical connection.

Installation and Crimping Tools

Proper installation is essential to ensure the full performance of every Difvan Copper Cable Lug. Each lug is designed for a secure, long-lasting connection, but the results depend heavily on correct crimping and termination. The process begins with stripping the cable to the correct length while keeping the conductor strands intact. Once the insulation is removed, the stripped wire should be inserted into the copper lug barrel until it reaches the end, ensuring a snug fit.

To complete the installation, a Difvan copper lug crimping tool should be used to apply even pressure across the barrel. This step guarantees a tight, crack-free compression that maintains conductivity and prevents overheating during high-current applications. After crimping, the joint can be sealed using a heat shrink tube or PVC sleeve to protect against moisture, corrosion, and vibration.

Our crimping tools are ergonomically designed to deliver consistent, professional results while meeting IEC and DIN standards. By using Difvan’s copper lugs together with the recommended tools, electricians and technicians can achieve a strong, reliable, and maintenance-free electrical connection every time.

Get a Quick Quote

Experience the quality of Difvan Copper Cable Lugs for yourself. Whether you need a small batch for testing or a full bulk order, our team is ready to provide fast quotes, technical support, and product recommendations tailored to your project needs.

At Difvan, we believe in making it easy for our customers to buy with confidence. That’s why we offer free samples for product evaluation and a 30-day credit term for qualified buyers. With efficient worldwide delivery, you can count on timely supply no matter where your business operates.

Get in touch with our support team today to request a quick quote, discuss custom specifications, or receive expert assistance. We’re here to help you find the best solution for your electrical connection requirements.

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