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Candy Jiao
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Email: nh.li@auto-parkingheater.com
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5kw High Voltage Coolant Heater
NF Electric vehicle PTC coolant heater is suitable for hybrid battery vehicles and is mainly used as the main heat source for temperature regulation in the car. The heating effect of the product is faster than that of the internal combustion engine. During the heating process, the electrical energy is effectively converted into heat energy by the PTC component.
Description
5kw High Voltage Coolant Heater
Products Description
The PTC electric heater adopts PTC technology to meet the safety requirements of passenger cars for high voltage. In addition, it can also meet the relevant environmental requirements of components in the engine compartment.
The purpose of PTC electric heater in application is to replace the engine block as the main source of heat source. By supplying power to the PTC heating group, the PTC heating component is heated, and the medium in the circulating pipeline of the heating system is heated through heat exchange.
The main performance features are as follows:
With compact structure and high power density, it can flexibly adapt to the installation space of the whole vehicle.
The use of plastic shell can realize the thermal isolation between the shell and the frame, so as to reduce the heat dissipation and improve the efficiency.
| Medium temperature | -40℃-90℃ |
| Medium type | Water:ethylene glycol/50:50 |
| Power/KW | 5KW@60℃, 10L/min |
| Brust pressure | 5bar |
| Insulation resistance MΩ | ≥50@DC1000V |
| Communication protocol | CAN |
| Connector IP rating (high and low voltage) | IP67 |
| High voltage woking voltage/V (DC) | 450-750 |
| Low voltage operating voltage/V (DC) | 9-32 |
| Low voltage quiescent current | ＜0.1mA |
Product appearance
Please refer to the 3D digital model and drawings for detailed dimensions and mounting hole locations.
Design principle
Design principle
The PTC electric heater module consists of PTC heating components, controllers and internal pipelines. The heating component is installed in the aluminum die casting, the aluminum die casting and the plastic casing form a closed circulation pipeline, and the cooling liquid flows through the heating body in a meander structure.
The electrical control part is an aluminum die-cast body covered with a metal casing. The controller circuit board is secured with screws and the connector is directly attached to the circuit board.
Products Warning
Warning: Power must be switched off before installing or removing the PTC electric heater!
Vehicle Electrical System Requirements:
① Ensure the high-voltage power supply polarity is correct and has overvoltage and undervoltage protection.
② An independent high-voltage DC fuse must be installed on the vehicle side for short-circuit protection.
③ An insulation detector must be installed throughout the vehicle for leakage detection.
④ High-voltage lines must have interlocking functionality.
Application
Electric vehicle PTC coolant heaters are mainly used in fuel cell thermal management systems and heating of car cabs and passenger compartments. There are overcurrent, short circuits, overheating, and other protection functions. The redundant sealing design can improve system reliability.
Packing
Reduntant sealing design and high system reliability
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