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C-Type Copper Wire Clamp​

The C-Type Copper Wire Clamp sets the industry standard for efficient and reliable electrical connections in grounding, bonding, and conductor joining applications.
  • CCT

  • Mingxu

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Product Overview


Crafted from 99.9% high-purity electrolytic copper, this innovative clamp features a distinctive C-shaped profile that revolutionizes installation procedures while maintaining superior conductivity. Compliant with UL 467 and IEC 62561-1 standards, it provides consistent low-resistance connections for copper conductors in diverse environments. Its unique design allows for tool-free positioning before final tightening, significantly reducing installation time while ensuring optimal contact pressure. Suitable for both indoor and outdoor applications, it accommodates conductor sizes from 10 mm² to 150 mm² with exceptional tolerance for alignment variations.


Product Features


Premium Copper Construction

Manufactured from electrolytic tough pitch (ETP) copper with a minimum purity of 99.9%, the clamp delivers exceptional conductivity of 97% IACS for efficient current dissipation. The solid copper construction eliminates potential failure points found in plated or composite alternatives, ensuring long-term electrical integrity even under cyclic loading conditions.

Revolutionary C-Profile Design

The unique C-shaped geometry allows for tool-free pre-installation on conductors, enabling precise positioning before torque application. This design reduces installation time by up to 40% compared to traditional bolted clamps while facilitating easy repositioning if needed before final tightening, minimizing installation errors.

Optimized Contact Pressure

Featuring a precision-engineered clamping mechanism, the clamp applies uniform radial pressure across the conductor surface, achieving a contact resistance of ≤10 µΩ when properly installed. This ensures minimal power loss and prevents hot spots that can degrade connection performance over time.

Enhanced Environmental Protection

The copper surface undergoes a bright tin plating process (8-12 µm thickness) that provides superior corrosion resistance in harsh environments. This plating protects against atmospheric contaminants, industrial pollutants, and coastal salt spray, maintaining conductivity even after prolonged outdoor exposure.


Product Applications


Electrical Grounding Systems

In commercial and industrial facilities, the clamp establishes critical grounding connections for electrical panels, machinery, and structural components, ensuring proper fault current dissipation to protect equipment and personnel.

Utility Substation Installations

Utility companies deploy the clamp in substation grounding grids and equipment bonding applications, providing secure connections between ground rods, conductors, and equipment enclosures in accordance with utility safety standards.

Renewable Energy Grounding

Solar farms and wind energy facilities utilize the clamp for grounding array frames, inverter enclosures, and support structures, ensuring compliance with NEC and IEC standards for renewable energy installations.

Data Center Infrastructure

In data centers and telecom facilities, the clamp provides reliable bonding connections between server racks, UPS systems, and grounding buses, maintaining proper electrical continuity essential for sensitive electronic equipment operation.


FAQ


What torque values are recommended for installation?

Proper installation requires torque values ranging from 12 N·m for 10 mm² conductors to 40 N·m for 150 mm² conductors. Always use a calibrated torque wrench to ensure optimal contact pressure without damaging conductor strands or the clamp itself.

Can the clamp be used for both solid and stranded conductors?

Yes, the clamp is designed to accommodate both solid and stranded copper conductors within its size range (10 mm² to 150 mm²). The C-profile design ensures proper contact with both conductor types when installed with the recommended torque.

What is the maximum short-circuit current rating?

The clamp withstands short-circuit currents up to 65 kA for 1 second without mechanical failure or excessive resistance increase, meeting the fault current requirements of most industrial and commercial electrical systems.

How does the clamp maintain performance in corrosive environments?

The tin-plated surface provides a protective barrier against corrosion, while the solid copper construction resists galvanic action when properly installed with compatible materials. For highly corrosive environments, additional protection with anti-corrosion compounds is recommended to extend service life.


CCT C-type Copper Wire Clamp


Item No. Suitable Conductor A L b H Package
(pcs)
Gross weight
(kg)
CCT-16 14.5-16 11.8 13 2.0 7.8 3000 30.0
CCT-20 16.5-20 12.8 13 2.9 9.7 3000 30.0
CCT-26 21-26 14.7 16 3.2 10.0 3000 30.0
CCT-44 27-44 19.0 20 4.0 14.4 2000 30.0
CCT-60 45-60 21.0 22 4.0 15.4 1000 30.0
CCT-76 61-76 24.4 22 5.0 17.6 1000 30.0
CCT-98 77-98 27.8 25 5.0 18.8 500 30.5
CCT-122 99-122 29.8 26 5.5 21.2 500 30.5
CCT-154 123-154 34.0 28 6.0 24.4 500 30.5
CCT-190 155-190 37.0 35 6.0 25.4 400 31.0
CCT-240 191-240 40.0 40 7.0 28.5 240 31.0
CCT-288 241-288 44.5 45 7.0 34.1 180 32.0
CCT-365 289-365 47.5 50 7.0 34.0 180 32.0
CCT-450 366-450 57.0 60 10 41.0 100 32.0
CCT-560 451-560 62.0 65 11 44.0 100 32.0
CCT-700 561-700 68.0 70 12 49.5 100 32.0


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