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Third Generation PTC Coolant heater 7KW
    Publish time 2023-03-16 20:38    
Third Generation PTC Coolant heater 7KW

PTC coolant heaters provide heat to cabin of new energy vehicles and meet the standards for safe defrosting and defogging. It can also provide heat to other parts in the vehicle that require temperature regulation, such as batteries

 Specialty

●           provide heating with electrically heating of coolant

●           fixed in water circulation system

●           soft warm wind and controllable temperature

●           Gear control is used to adjust the power

●             It has the function of short-term heat storage

 

●           circulation in vehicle, support battery thermal management

1.1        basic parameters

This profile can be made for:

350V  7KW  and 600V 7KW

350V 8KW  and 600V  8KW

 

 

item

condition

Min

Typical

Max

Unit

 

 

 

 

Power

control   voltage: DC13.5±0.1V:

Voltage:DC350±1V:

 

inlet temp:60℃±2℃::

 

flow rate:10±0.5L/min:

 

 

 

 

7000


 

 

 

 

7700

 

 

 

 

W

Weight

excl coolant and cables



2.7

kg

Sizes

224*157.9*121.9mm


 

 

 

1.2        Temperature

 

item

condition

Min

Typical

Max

Unit

storage temp


-40


125

℃

working ambient

temp


-40


125

℃

humidity


5%


95%

RH

 

 

1.3        Low      voltage

 

item

condition

Min

Typical

Max

Unit

control voltage

VCC


9

13.5

16

V

grounding



0


V

supply current

stable current



1

A

Quiescent current




100

μA

 


 

1.4        High      voltage

 

item

condition

Min

Typical

Max

Unit

supply voltage


200

350

500

V

under voltage


190


200

V

over voltage


500


515

V

breakdown voltage




800

V

working current



20


A

inrush current




40

A

quiescent current




5

mA

 

 

     others

 

item

condition

Min

Typical

Max

Unit

Cold state insulation     DC500V,10S


               MΩ

high temp high

humidity

insulation

DC500V,60S

50



MΩ

breakdown   V

leakage   A,

AC2000V,60S



10

mA

IP

IP67, IP6K9K





ESD protection




8

KV

baud rate



500


Kbps

X   capacitor



1.8


μF

Y   capacitor



4.7


nF

power on rate

DC460V

70



V/μs