Wholesale 5KW Electric Heater Factories, Exporter

1 / 5

Wholesale 5KW Electric Heater Factories, Exporter

Product Application
Overview:
This PTC electric heater uses ceramic PTC as a heating element, which is safe and reliable; it has a special water channel structure and a high heat exchange rate; it has a fully independent controller, integrated water temperature protection, PCB over-temperature protection, overcurrent protection, overvoltage protection, undervoltage protection, short circuit protection, sleep function, step-by-step power regulation and other functions, easy to use, safe and reliable.

Main Application:
It is mainly used in fuel cell thermal management systems and automobile cab/compartment heating. Heating effect of hydrogen fuel engines, power batteries and air conditioners.

Product Features:
Compact structure, high power density, flexible adaptation and installation
PPS material shell, thermal isolation from the frame, low heat dissipation and high efficiency.
Redundant sealing design, high system reliability
Efficiency greater than 95%, overcurrent, short circuit, overheating and other protection functions

Send Inquiry

Product Description

Product Selection

Specifications	600V-5KW PTC Water Heater	350V-5KW PTC Water Heater
Operating Temperature Range	-40℃ ~ 85℃
Storage Temperature Range	-40℃ ~ 120℃
Medium Temperature	-40℃ ~ 90℃
Media Type	Water:ethylene glycol / 50:50
Humidity Conditions (RH)	5% ~ 95%
Dimensions	187.1 × 159.3 × 105mm
Weight	≤ 2.2kg
Power / KW	5±10%KW @60℃, 10L/min	5.5±10%KW @60℃, 10L/min
Burst Pressure	5 bar
Insulation Resistance MΩ	≥100 @DC1000V
Withstand Voltage mA	≤10 @AC2500V/60s	≤10 @AC1900V/60s
Communication Protocol	CAN
Connector IP Level	IP67
Interlocking Requirements	With high voltage interlock (physical)
High Voltage Working Voltage (DC)	450-750V (400-750V)	250-450V
Low Voltage Operating Voltage (DC)	9-32V
Low Voltage Quiescent Current	≤ 0.1mA
Sleep Function	Yes
Temperature Detection	Inlet and outlet equipped with temperature sensors
Power-off Threshold	TCoolant > 70℃ (adj. 10℃) / TPCB > 125℃ (adj. 15℃)

Product Structure & Performance

Customized Requirements

Adjustable voltage range lower limit based on requirements.
Adjustable power output according to temperature and flow needs.
Configurable temperature protection points.
Selectable baud rate (250K or 500K).
Optional 120Ω terminal resistance.
Full Support for OEM/ODM.
Note: High and low voltage plug-in pin definitions are fixed.

Precautions

Avoid installing water inlets/outlets downward to prevent air bubbles.
The PTC electric heater must be properly grounded during installation.
Ensure correct polarity and overvoltage/undervoltage protection for high-voltage supply.
Install an independent high-voltage DC fuse for short-circuit protection.
Vehicle-side insulation testers are required for leakage detection.
High-voltage lines must utilize the interlocking function.

Frequently Asked Questions

Q1: What is the protection rating of the PTC water heater?

A: The connectors for both high and low voltage systems are rated at IP67, providing excellent protection against dust and water ingress.

Q2: Can the power output be adjusted for specific vehicle needs?

A: Yes, the power can be adjusted based on customer requirements, specifically under various temperature and flow rate conditions.

Q3: What communication protocol is used for heater control?

A: The heater uses the CAN (Controller Area Network) communication protocol, with selectable baud rates of 250K or 500K.

Q4: What are the installation requirements regarding grounding?

A: For safety and performance, the PTC electric heater must be properly grounded when installed on the vehicle.

Q5: Does the system include safety interlocks?

A: Yes, it is designed with a physical high-voltage interlock function to ensure safety during operation and maintenance.

Q6: What type of coolant medium is recommended?