OFF HWY - 909474_Idle Reducing Technology Brochure 8pg

Electric High Voltage Heater (HVH) Efficient heating for electric & hybrid machines

As electric and hybrid technology expands in off-highway applications, Webasto’s High-Voltage Heaters (HVH) provide fast, efficient heating while optimizing battery performance.

Features:  Powerful 5/7/10/12 kW heating performance and wide voltage range up to 880 V independent of coolant temperature  Highest efficiency through quick and direct heat transfer  Stepless and exact controllability with no inrush currents  Reliable safety concept with redundant controls  Certified for automotive requirements with ECE-R10 and ECE-R122 type approval  CE certified for various segments and applications

Technical specifications

HVH 50 Gen 1.5 HVH 70 Gen 1.5 HVH 100 Compact HVH 100 Compact+

HVH 120

Heating performance HV voltage range (DC)

5 / 7 kW

10 kW

12 kW

100 – 490 V

250 - 880 V

LV voltage Efficiency

12 V

12 / 24 V

> 95%

Controllability steps

50 W

100 W

Dimensions

11.2 x 7.9 x 2.1 in (284 x 200 x 54 mm)

11.2 x 7.9 x 2.8 in. (284 x 201 x 72 mm)

12.8 x 7.9 x 2.8 in. (326 x 201 x 72 mm)

Weight

4.4 lbs (2.0 kg)

5.0 lbs (2.3 g)

13.2 (2.6 g)

Temperature range for heating Temperature range for ambient

-40 to 194 °F (-40 to 90 °C) -40 to 257 °F (-40 to 125 °C)

Communication

LIN 2.1

LIN 2.2

LIN 2.2, CAN, Main Switch

Passive discharge (V) according to ISO 6469-3.3

< 60 in 4 Sec

Dielectric strength (DC) Coolant connection

2,500 V

VDA 19 mm

VDA 20 mm

IP protection class

IP 6K9K IP 6K7

HV connection NV connection

TYCO HVA280 Type A

TYCO HVA280 Typ E

LV FEP connector 8 PIN with integrated de-aerating membrane

Interlock

Passive

Electrical safety Functional safety

ISO 6469 Part 3

According to ISO 26262 ASIL B for overheat

According to ISO 26262 ASIL D for overheat

Cyber security

UN-ECE WP.29 / ISO 21434

EMC

ECE R10 Rev. 5

Insulation resistance

> 50 MΩ

> 30 MΩ

Service life

15 years or 12,000 heating hours

15 years or 15,000 heating hours

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