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Custom High-Voltage (HV) Harnesses

Engineered for Safety and Performance in EV and Industrial Applications

Delivering High-Power, Safely and Reliably

Cablum Cable specializes in the design and manufacture of custom high-voltage wire harnesses for demanding applications. From electric vehicle powertrains to industrial high-power systems, our solutions provide superior insulation, shielding, and safety features to ensure reliable performance.

Orange high-voltage wire harness for an electric vehicle (EV) battery pack

Key Features & Benefits

Engineered for high-power environments.

Enhanced Safety Features

Incorporating High-Voltage Interlock Loop (HVIL) systems, secure locking connectors, and distinct orange jacketing for maximum safety.

Superior EMI Shielding

Multi-layer shielding designs to prevent electromagnetic interference, ensuring the stable operation of nearby sensitive electronics.

Excellent Thermal Management

Utilizing high-performance insulation materials and appropriate conductor sizing to effectively manage heat in high-current applications.

Product in Detail

A closer look at our high-voltage solutions.

Close-up of a high-voltage connector with HVIL safety feature
Cross-section of a shielded high-voltage cable showing multiple layers
High-voltage harness undergoing hipot electrical safety testing

Technical Specifications

Voltage Rating 600V to 1500V DC
Current Rating Up to 500A or higher, based on design
Insulation Material XLPE (Cross-linked Polyethylene), Silicone
Applicable Standards LV 216, ISO 6722, SAE J1128
Connector Types Amphenol, TE Connectivity, Rosenberger, custom HV connectors
Safety Features HVIL, IP6k9k sealing, touch-safe designs

Common Applications

  • Electric Vehicle (EV) Powertrains
  • EV Battery Packs & On-board Chargers (OBC)
  • DC Fast Charging Stations
  • Industrial High-Power Motor Drives
  • Renewable Energy Inverters & Storage

Discuss Your High-Voltage Project

Safety and reliability are paramount. Partner with our experts to design and manufacture a high-voltage harness that meets your exact specifications.

Request a Free Quote