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6–18kW High Voltage Coolant Heater for EV Platforms
Configurable 400–800V coolant heating solution designed to match different vehicle electrical, thermal and control architectures
6–18kW+
400–800V
Configurable Voltage
CAN Control
Product Overview
A Configurable Coolant Heater Platform for EV Projects
This A Series High Voltage Coolant Heater is designed for electric vehicle projects that require flexible matching of heating power, rated voltage and vehicle control requirements.
With 6–18kW heating capacity, 400–800V operation, CAN communication and PID control, the heater provides a configurable platform for different EV thermal management architectures
Product Views
The A Series IEV Coolant Heater provides efficient and stable coolant heating for electric and hybrid vehicles. Its compact design supports reliable battery and cabin thermal management.
Technical Specifications
High Voltage Coolant Heater Specifications
| Parameter | Specification |
|---|---|
| Rated Power | 6–18kW |
| Rated Voltage | Customizable |
| Operating Voltage Range | 400–800V |
| Operating Temperature | -40°C to +85°C |
| Insulation Resistance | ≥100 MΩ @ DC1000V |
| Protection Rating | IP67 |
| Communication Method | CAN Communication / Enable Signal |
| EMC | ISO 11452 Class 3 |
| Control | PID Control |
| Diagnostics | Fault Self-Diagnosis |
| Power Management | Automatic Power Limiting |
| Safety Protection | Overvoltage / Undervoltage / Overcurrent / Short Circuit / Overheat |
| Weight | 5.1kg |
| Warranty | 2 Years |
| Certifications | CE / E-Mark / UL |
| Applications | Battery Heating / Cabin Heating / Regenerative Braking Energy Recovery |
CONFIGURABLE PLATFORM
Match the Heater to Your Vehicle Platform,Different EV programs may use different high-voltage architectures, heating loads and control strategies. This A Series configuration can be selected and adapted according to the actual requirements of the vehicle thermal management system
Heating Capacity
6–18kW configurations for different thermal loads
Rated Voltage
Rated voltage can be configured according to the vehicle platform
Vehicle Control
CAN communication supports vehicle-level thermal coordination
Project Integration
Configuration can be evaluated according to actual OEM system requirements
Heating Capacity Matching
Heating capacity should be selected according to coolant volume, target temperature, ambient conditions and required heating response rather than vehicle type alone.
01
6–18kW
Available Heating Range
02
Project-Based Selection
Thermal Load Matching
Voltage Platform Matching
The heater supports a 400–800V operating range while rated voltage can be configured according to the electrical architecture of the vehicle.
01
400V Platform
02
600V Platform
03
800V Platform
What Can We Do?
High Voltage Power Input
The heater receives electrical energy from the vehicle high-voltage system.
PTC Heating
The heating element converts electrical energy into thermal energy.
Coolant Heat Transfer
Thermal energy is transferred directly to the coolant flowing through the heater.
Coolant Circulation
The heated coolant circulates through the vehicle thermal management circuit.
Intelligent Control
CAN communication and PID control coordinate heater output according to vehicle thermal requirements.
Applications
Electric Buses
Designed for integration with liquid-cooled battery systems in electric bus applications.
Electric Commercial Vehicles
Thermal management for battery systems used in electric commercial vehicle platforms.
Electric Trucks
Supports battery cooling requirements for electric truck thermal management systems.
Special-Purpose EVs
Suitable for EV platforms requiring compact liquid cooling and intelligent thermal control.
OEM Engineering Support
From Heater Selection to Vehicle Integration，EVLINK supports OEM projects from requirement analysis and configuration selection to interface matching, CAN integration, prototype validation and production preparation
01→
Requirements
02→
Configuration
03→
Prototype
04→
Validation
05→
Production
ISO 26262 Functional Safety
TÜV Rheinland CE / LVD
SGS / UL 499
IATF 16949:2016
ISO 14001:2015
Certification applicability may vary according to product configuration and target market requirements.
Customization
Flexible Configuration for Your EV System
Configure the heater to match your specific EV architecture. Heating power, rated voltage, HV connectors, coolant interfaces, CAN protocol, and mounting layout can all be adapted to your project requirements.
Tested for Your Application
Testing is tailored to your selected heater configuration and OEM requirements, covering heating performance, electrical operation, durability, and vehicle integration to help ensure reliable performance before installation.
CUSTOMER CASE
CUSTOMER CASE
Electric Bus Thermal Management Integration
Customer: Electric Bus OEM
Application: Battery Thermal Management & Coolant Heating
Solution: BTMS + High Voltage Coolant Heater + CAN Integration
Project Challenge
The customer required a thermal management solution capable of supporting battery cooling and low-temperature heating while integrating with the existing vehicle CAN architecture and coolant circuit.
Electric Bus Thermal Management Integration
Customer: Electric Bus OEM
Application: Battery Thermal Management & Coolant Heating
Solution: BTMS + High Voltage Coolant Heater + CAN Integration
Project Challenge
The customer required a thermal management solution capable of supporting battery cooling and low-temperature heating while integrating with the existing vehicle CAN architecture and coolant circuit.
EVLINK Solution
EVLINK evaluated the battery thermal load, voltage platform, coolant requirements and vehicle installation conditions, then provided a matched BTMS and High Voltage Coolant Heater solution with CAN communication support.
Project Support
Thermal requirement analysis Product selection and configuration CAN communication integration Coolant circuit matching Prototype testing and validation Engineering support during vehicle integration Result
A vehicle-compatible thermal management solution was successfully integrated according to the project’s electrical, thermal and installation requirements.
EVLINK evaluated the battery thermal load, voltage platform, coolant requirements and vehicle installation conditions, then provided a matched BTMS and High Voltage Coolant Heater solution with CAN communication support.
Project Support
Thermal requirement analysis Product selection and configuration CAN communication integration Coolant circuit matching Prototype testing and validation Engineering support during vehicle integration Result
A vehicle-compatible thermal management solution was successfully integrated according to the project’s electrical, thermal and installation requirements.
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1. How do I select the correct heating power?
Heating power should be selected according to thermal load, coolant conditions, ambient temperature and required heating response.
2. Can the rated voltage be customized?
Yes. Rated voltage can be configured according to the vehicle electrical architecture within the supported product platform.
3. What operating voltage range is supported?
The specified operating voltage range is 400–800V.
4. Does the heater support CAN control?
Yes. CAN communication and enable signal control are supported for vehicle integration.
5. Can EVLINK support prototype and vehicle integration?
Engineering support can be provided according to the development requirements of the OEM project.