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High Voltage Unshielded Silicone Cable 40kVDC 4mm² – TC 56/0.30 Tear Resistant Red Silicone Insulation
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High Voltage Unshielded Silicone Cable 40kVDC 4mm² – TC 56/0.30 Tear Resistant Red Silicone Insulation

Premium silicone unshielded cable 40kVDC 4mm².

TC 56/0.30 class 5 conductor, tear resistant red SiR insulation.

12mm O.D. Flexible high voltage DC cable.

Request a detailed quote & datasheet!

  • Cable Type 40kVDC silicone cable
  • Cable Spec 4mm²
  • Conductor TC tinned copper (TC, CU, SPC, NPC optional)
  • Construction Stranded wire 56/0.30 acc. to IEC 60228, Class 5
  • Insulation Special silicone flexible compound red, tear resistant
  • Screen unshielded
  • O.D. 12mm
  • Rated Temperature -60℃ to +180℃
  • Rated Voltage 40KVDC
  • Cable No. D360
  • Keyword unshielded high voltage cable
  • Application ideal for High Voltage Power Supplies

Silicone Unshielded Cable 40kVDC 4mm² – TC Tinned Copper Conductor 56/0.30 IEC 60228 Class 5, Tear Resistant Silicone Rubber Insulation Red, 12mm Outer Diameter

This silicone unshielded cable is engineered for 40kVDC applications requiring reliable high voltage insulation in a flexible, unshielded construction. The TC tinned copper conductor features 56/0.30 fine-strand configuration per IEC 60228 Class 5, providing exceptional flexibility for installation while ensuring corrosion resistance. The insulation consists of tear resistant silicone rubber compound in high-visibility red, formulated to maintain dielectric integrity at 40kVDC while offering outstanding flexibility across a wide temperature range. With 12mm outer diameter, this cable delivers robust high voltage performance in a compact, flexible package ideal for applications where shielding is not required.

Key Features & Technical Advantages

  • 40kVDC rated with tear resistant red silicone insulation

  • TC tinned copper 56/0.30 Class 5 fine-strand conductor

  • Exceptional flexibility for tight installations

  • High-visibility red for safety identification

  • 12mm compact outer diameter

  • Tear resistant formulation extends service life

Specifications & Construction

Parameter Details
Voltage Rating 40kVDC
Conductor TC tinned copper 56/0.30
Conductor Class IEC 60228 Class 5
Insulation Tear resistant SiR rubber, red
Outer Diameter 12mm
Temperature Range Wide temperature silicone performance

Why Choose Our 40kVDC Silicone Unshielded Cable

We specialize in high voltage silicone cable technology for demanding applications. Our 40kVDC design combines tear resistant silicone insulation with Class 5 fine-strand conductor for maximum flexibility and reliability. The 56/0.30 configuration ensures easy routing in complex installations, while the 12mm insulation thickness provides dependable 40kVDC withstand capability. Red silicone enables immediate high voltage identification for safety. As a specialized manufacturer, we control all production stages, offering custom lengths and technical support for your specific high voltage requirements.

Typical Applications – Solving Critical Industrial Challenges

  • Cathodic Protection Systems: Provides reliable DC connections for pipeline and storage tank corrosion prevention systems operating at 40kVDC

  • High Voltage Power Supplies: Delivers flexible connections between power supplies and loads in industrial and laboratory equipment

  • Electrostatic Coating Equipment: Ensures dependable high voltage delivery to paint and powder coating applicators

  • Medical Imaging Devices: Provides high voltage connections for X-ray and other medical equipment where shielding is not required

  • Research Laboratory Instruments: Delivers clean DC power to experimental setups requiring flexible high voltage cabling

  • Ionization Systems: Supplies high voltage to air and water treatment ionization equipment

  • Particle Detection Equipment: Provides bias voltage connections for radiation detectors and scientific instruments

FAQ

Q1: Why choose unshielded cable for 40kVDC applications?

A: Unshielded cable is ideal when EMI protection is not required, offering reduced weight, smaller diameter, and lower cost while maintaining full high voltage insulation capability.

Q2: What advantages does Class 5 stranding provide?

A: IEC 60228 Class 5 fine-strand construction provides exceptional flexibility, making the cable easier to route in tight spaces and more resistant to fatigue from vibration.

Q3: Why is the insulation colored red?

A: Red is an internationally recognized color for high voltage cables, ensuring immediate visual identification of 40kVDC circuits for safety during installation and maintenance.

Q4: What temperature range can this cable withstand?

A: Silicone insulation maintains flexibility and dielectric properties across a wide temperature range from extreme cold to high heat. Contact our technical team for specific temperature ratings.

Q5: Is this cable suitable for outdoor use?

A: Silicone insulation offers excellent UV and weather resistance, making this cable suitable for outdoor installation. For direct burial applications, please consult our engineering team.

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