7KW high voltage coolant heater
NF-SH07
Engineered with ceramic PTC heating elements, this high voltage heater ensures rapid and efficient heat generation, significantly outperforming traditional internal combustion systems. Its innovative curved fluid path design maximizes heat exchange efficiency, while a fully integrated controller supports smart functions such as temperature protection, over-current/voltage safeguards, sleep mode, and multi-stage power adjustment.
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This PTC coolant 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 coolant heaters in application is to replace the engine block as the main source of heat. It heats the PTC heating component by supplying power to the PTC heating group, and heats the medium in the heating system circulation pipeline through heat exchange.
The purpose of PTC coolant heaters in application is to replace the engine block as the main source of heat. It heats the PTC heating component by supplying power to the PTC heating group, and heats the medium in the heating system circulation pipeline through heat exchange.

The main performance characteristics are as follows:
Compact structure, high power density, and flexible adaptation to the installation space of the entire vehicle.
The use of plastic material shells can achieve thermal isolation from the frame, thereby reducing heat dissipation and improving efficiency. Adopting redundant sealing design can improve system reliability.


