400 Volt
High Voltage Heater 

HVH 50/70: Quick and reliable warmth

The powerful electric High Voltage Heater (HVH) from Webasto with up to 5 or 7 kW heating power is the ideal solution for 400 Volt systems in electric cars, transporters and special vehicles. The innovative heating layer technology is firmly bonded onto the heat exchanger and has a large contact area for heating the coolant. Thus, the HVH 50/70 achieves extremely fast heat-up times, high precision and the highest efficiency ( >95 %).

Benefits of the 400 Volt High Voltage Heater

Short heat-up times

The High Voltage Heater converts DC electric power into heat with virtually no loss, resulting in fast, efficient heating.

Compact and versatile

With compact installation space requirements, our High Voltage Heater can be seamlessly integrated into any vehicle. Webasto offers a wide range of accessories and various certifications for the integration into different vehicles.

Consistent heating performance

Due to its voltage range of 100 to 490 Volt, the heaters allow for constant temperatures independent of voltage fluctuations.

Product details

Product specifications


  • Dimensions (L x W x H) in mm: 284 x 200 x 54
  • Weight: 1.95 kg
  • HV voltage range DC: 100-490 V
  • Service life: 15 years or 12,000 heating hours

Model overview


  • HVH 50 Gen 1.5: Heating performance up to 5 kW
  • HVH 70 Gen 1.5: Heating performance up to 7 kW


400 Volt High Voltage Heater - Datasheet

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