Name: High Voltage PTC Coolant Heater 20KW 22KW 24KW HVCH 400V 600V 800V for Electric Bus, Truck, Construction Machinery and BTMS
Brand: EVLINK Electronic Co.,Ltd
SKU: B Series
Price: 1250.00 USD
Availability: InStock

Brand Name:	EVPTC
Model Number:	B Series
MOQ:	1 SET
Price:	$1000-1500 per set
Payment Terms:	T/T
Supply Ability:	100 sets per 2 weeks

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

E-Mark, CE，UL

Product Name:

PTC Heater HVCH

Condition:

New

Rated Voltage:

Customizable

Operating Voltage Range:

400V-800V

Power Output:

20-24kW

Insulation Resistance:

≥100 MΩ (DC1000 V,high-voltage Section)

Operating Temperature:

-40ºC~85ºC

Protection Rating:

IP67

EMC:

Complies With ISO 11452 Class 3 Requirements

High-Voltage Safety Protection:

Equipped With Overvoltage, Undervoltage, Overcurrent, Short Circuit, And Overheat Protection

Communication Method:

CAN Communication, Enable Signal Communication

System Comfort & Safety Control:

Supports PID Control, Fault Self-diagnosis, Automatic Power Limiting

Product Size:

35X18.4X12 Cm

Warranty:

2 Years

Certifications Obtained:

CE， EMark、UL

Application:

Battery Heating/ Cabin Heating/Regenerative Braking System (RBS)

Packaging Details:

carton or wooden case packing

Supply Ability:

100 sets per 2 weeks

Highlight:

coolant heater for ev

coolant heater for car

vehicle coolant heater

Product Description

Are You Facing These Thermal Management Challenges?

1.Slow heating in low-temperature environments

Slow warm-up in winter
Low efficiency of battery preheating
Poor cabin comfort
Impact on vehicle operational efficiency

2. Insufficient power for large vehicle models

Low power output of conventional PTC
Inadequate heat supply
Unstable temperature during prolonged operation

3. Insufficient high-voltage safety

Risk of electric leakage
High-voltage insulation issues
Overheating protection concerns
Stability issues of the high-voltage system

4.Limited installation space

Large product footprint
Difficulty in installation
Complex piping layout

5.Difficulty in thermal management system integration

Incompatibility with BTMS
Unstable CAN communication
Difficulty in control logic matching

6.Inability to adapt to different vehicle platforms

Different voltage requirements
Different power requirements
Different interface types
Different communication protocols

Choose EVLINK !

Leveraging our experienced R&D team and extensive project expertise, we provide customized development and system matching services for high-voltage coolant heaters based on specific operating conditions, delivering safer, more efficient, and more reliable high-voltage PTC liquid heating solutions to ensure optimized thermal management performance and seamless vehicle integration.

High Voltage Coolant Heater——B Series

20-24 kW | 400–800 V | CAN | IP67

The B Series is an extended product line based on the A Series, specially developed for battery-swapping heavy-duty trucks. Featuring a compact plastic housing, the heater delivers up to 24 kW of heating power while maintaining a space-efficient design.

With powerful and efficient heating performance, the B Series can meet the rapid heating requirements of multiple battery packs in extremely low-temperature environments, helping ensure reliable battery thermal management and vehicle operation. It is available in both a pre-wired version and a 4-pin connector version compatible with CATL battery thermal management systems, providing flexible integration options for different vehicle and battery system configurations.

High Voltage PTC Coolant Heater 20KW 22KW 24KW HVCH 400V 600V 800V for Electric Bus, Truck, Construction Machinery and BTMS

Product Features

It is compact and space-saving, making it ideal for various water heating systems, including residential, commercial, and industrial applications.
The PTC Water Heater is designed for easy installation and integration, allowing for seamless replacement or upgrade of existing water heaters.
It offers rapid heating capabilities, allowing users to have hot water available in a short period of time.

Environmentally Responsible Operation: A pledge to green journeys, mitigating environmental impacts.
Precision-Centric Temperature Governance: Employing advanced algorithms to perpetuate the perfect cabin conditions.
Energy Efficacy at its Peak: A blueprint focusing on minimal energy consumption, extending vehicle driving ranges significantly.

Applications

EVLINK Technology’s high-voltage PTC water heater is widely used in electric buses, electric heavy-duty trucks, electric light trucks, mining trucks, and energy storage thermal management systems.

High Voltage PTC Coolant Heater 20KW 22KW 24KW HVCH 400V 600V 800V for Electric Bus, Truck, Construction Machinery and BTMS

Electric Trucks Electric Buses Electric Construction Equipment

About us

EVLINK provides High Voltage Coolant Heaters, Air Heaters, BTMS, and intelligent thermal controllers for electric vehicles, industrial equipment, energy storage, and data center cooling.

With our Open Thermal Management Platform, professional R&D team, CNAS-certified laboratory, and OEM/ODM capabilities, we deliver customized thermal management solutions from component development to complete system integration.

High Voltage PTC Coolant Heater 20KW 22KW 24KW HVCH 400V 600V 800V for Electric Bus, Truck, Construction Machinery and BTMS

18000m² | 100+ | 65+ | 30+

Factory Area R&D Engineers Export Countries Production Lines

High Voltage PTC Coolant Heater 20KW 22KW 24KW HVCH 400V 600V 800V for Electric Bus, Truck, Construction Machinery and BTMS

♦ Our Servies

Holistic Consultation Process: A service designed to understand and fulfill unique customer requirements fully.
Swift Response Framework: A mechanism that promises uninterrupted and efficient service delivery.
Global Support Network: A promise to make every EVLINK user feel valued, backed by a global support structure.

♦ Competitive Advantages

Pioneering Design Philosophy: Our alliance with foremost microchannel suppliers promises a journey marked with unmatched efficiency and brilliance.
Broad-Spectrum Compatibility: Engineered to merge effortlessly with a wide variety of vehicular platforms.
Customer-Oriented Endeavour: Every EVLINK creation is a tribute to our relentless pursuit of excellence, ensuring satisfaction at every touchpoint.

♦ FAQ

Q: How to choose the right PTC water heater?
A: Please provide the following parameters to help with selection:

· Application scenario (bus / heavy-duty truck)

· Intended use (battery heating, cabin heating, regenerative braking energy recovery)

· Operating conditions

· Operating voltage range

· Rated voltage and power

· Battery type and capacity

· Target outlet water temperature

· Ambient operating temperature

· Coolant flow rate

· Installation space
Q: How does a PTC water heater work?
A: The PTC heater works by passing electric current through PTC ceramic material. The material’s resistance increases as temperature rises, automatically adjusting the heating power to maintain a constant temperature.
Q: Which vehicle types is it suitable for?
A: Suitable for most electric buses, electric trucks, and electric construction machinery (excavators, loaders, etc.).
Q: How does it perform in low-temperature environments?
A: PTC heaters remain stable in low-temperature conditions, making them ideal for electric vehicles in cold regions.
Q: What are the core advantages of EVLINK PTC water heaters?
A:High reliability, fast and uniform heating, patented thermal expansion control, moisture protection, and exceptional performance under extreme conditions.
Q: Is customized development supported?
A: Yes.Common customization options include

· Power rating (3 kW – 35 kW)

· Voltage platform (400 V – 800 V)

· Communication protocol (CAN / EN enable)

· Mounting bracket design and dimensions

· High-voltage and low-voltage connectors
Q: Is OEM/ODM customization available?
A: Yes.Common customization options include

· Power rating (3 kW – 35 kW)

· Voltage platform (400 V – 800 V)

· Communication protocol (CAN / EN enable)

· Mounting bracket design and dimensions

· High-voltage and low-voltage connectors
Q: What is the lead time?
A:Minimum order quantity: 1 unit. Sample delivery within 7 days. Agile development ensures rapid response to changing requirements.
Q: Are certifications available?
A:The product meets automotive-grade standards and can provide certifications such as CE, ISO, and E-Mark.
Q: Are sample tests supported?
A:Yes. Samples can be provided for performance verification and vehicle integration testing.
Q: Does it support full vehicle system integration?
A:Yes. Integration with the vehicle control system is possible via CAN communication.

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