15–35kW High Voltage Coolant Heater

Wide-voltage coolant heating solution designed for 400–1100V electric vehicle platforms with CAN control and integrated high-voltage protection.

15–35kW+

400–1100V

CAN Control

IP67

Product Overview

 
High Voltage Coolant Heater for Wide-Voltage EV Platforms
This High Voltage Coolant Heater is designed for electric vehicle platforms requiring 15–35kW heating capacity and a wide 400–1100V operating voltage range. Integrated CAN communication, PID control and multiple electrical protection functions support stable vehicle-level thermal management and flexible system integration

Product Views

 

High Voltage Coolant Heater Product Views

Core Specifications

TECHNICAL DATA

WIDE VOLTAGE PLATFORM

 
 

400–1100V High Voltage Coolant Heater

 
 
 
A wide 400–1100V operating range allows this heater configuration to support different high-voltage vehicle architectures while reducing the need for multiple heater platforms across different projects.

400–1100V Operation

Wide operating voltage range for different EV platforms

Custom Rated Voltage

Rated voltage can be configured according to project requirements

15–35kW Heating Range

Multiple heating power configurations for different thermal loads

How It Works 

How Does This High Voltage Coolant Heater Work?

High-voltage electrical energy is converted into thermal energy inside the heater and transferred to the coolant flowing through the unit, while CAN and PID control coordinate heating output with the vehicle thermal management system

High-Voltage Safety

Integrated High-Voltage Protection

Multiple protection functions support controlled operation under abnormal electrical and thermal conditions

Overvoltage Protection

Undervoltage Protection

Overcurrent Protection

Short-Circuit Protection

Overheat Protection

Insulation Protection

Electrical Safety Performance

 
Electrical Safety Designed for High-Voltage Systems

≥100 MΩ

Insulation Resistance
Measured at DC 1000V in the high-voltage section.

≥1200 V

Dielectric Strength
Ceramic heating element dielectric withstand capability.

≤1.5×

Peak Current
Peak current controlled within 1.5 times rated current.

Applications

 

Electric Commercial Vehicles

Thermal management for battery systems used in electric commercial vehicle platforms.

 

Electric Buses

Designed for integration with liquid-cooled battery systems in electric bus applications.

 

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.

CAN & Intelligent Control

 

CAN-Controlled Coolant Heating

 

CAN Bus communication and enable control support vehicle-level heater management, while PID control regulates heating output according to system requirements

 

CAN Bus

Vehicle-level communication and control.

 

PID Control

Controlled heating output based on thermal requirements.

 

Fault Self-Diagnosis

Integrated fault monitoring supports system diagnostics.

 

Automatic Power Limiting

Automatically limits heating output under defined operating conditions.

Customization

CUSTOM ENGINEERING

 

Custom High Voltage Coolant Heater Configuration

Voltage, heating power, electrical connectors, coolant interfaces and CAN communication can be configured according to vehicle project requirements
  • Rated Voltage
  • Heating Power
  • HV Connector
  • Coolant Interface
  • CAN Protocol

Certification

Automotive Safety & Compliance

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.

FAQ

15–35kW High Voltage Coolant Heater FAQs

1. What is the operating voltage range of this heater?

The heater supports an operating voltage range of 400–1100V, while rated voltage can be customized according to vehicle requirements.

2. What heating power is available?

This product platform supports 15–35kW rated heating power.

3. Does this coolant heater support CAN control?

Yes. CAN Bus communication and enable control are supported for vehicle-level system integration.

4. What high-voltage protection functions are included?

The heater includes overvoltage, undervoltage, overcurrent, short-circuit and overtemperature protection.

5. What is the insulation resistance?

The specified insulation resistance is ≥100 MΩ at DC 1000V for the high-voltage section.

6. Can the voltage and interfaces be customized?

Yes. Rated voltage, heating power, connectors, coolant interfaces and communication configuration can be evaluated according to project requirements.

PROJECT SUPPORT

Need a 15–35kW High Voltage Coolant Heater?

Share your vehicle voltage, heating power, coolant circuit, installation space and CAN requirements with our engineering team


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