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CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
Specifications
Chargingpower :
3.3kW to 6.6kW
Outputcurrent :
Up to 32A
Compliance standards :
IEC 61851, SAE J1772
Payment Terms :
L/C,T/T
Operatingtemperaturerange :
-40°C to +85°C
Chargingefficiency :
≥ 93%
Supply Ability :
5000PCS
Mounting type :
Under the hood / Inside vehicle
Place of Origin :
China
Coolingmethod :
Air cooling / Liquid cooling
Protectionfeatures :
Overvoltage, Overcurrent, Short circuit, Overtemperature
Outputvoltage :
DC 200-450V
Inputvoltage :
AC 100-240V
MOQ :
2
Delivery Time :
10~20 work days
Packaging Details :
3.3kw: 30*30*18.5CM/4.6kg 6.6kw: 40.5*34.5*16.5CM/8.5kg
Communicationprotocol :
CAN / PLC
Certification :
DOC/CE
Product name :
On-board Charger
Brand Name :
CTS
Description
CTS offers a comprehensive range of 3.3kW, 6.6kW, 10kW, and 20kW On-Board Charger (OBC) solutions designed for the evolving electric mobility industry. Engineered for high efficiency, intelligent communication, and long-term reliability, our OBCs support passenger vehicles, commercial vehicles, marine propulsion systems, agricultural machinery, construction equipment, and other electric platforms.
Available with air-cooled or liquid-cooled designs, CTS on-board chargers feature IP67 protection, CAN Bus communication, wide input and output voltage ranges, and flexible OEM/ODM customization to meet diverse application requirements. From prototype development to mass production, our experienced engineering team delivers tailored charging solutions that help manufacturers shorten development cycles and bring reliable electric vehicles to market faster.
PRODUCT DESCRIPTION
Main Features :
1.Support UDS diagnosis CAN wake-up function
2.Fully sealed process can work reliably under the conditions of -40°C-+85°C
3.Built-intemperature sensor to shut down output under hazardous operating conditions (internal 90°C)
4. Protection level IP67 Can work safely under short-term water immersion conditions
5. Heat dissipation method: air cooling / water cooling
6. Optional 12V DC/DC Converter for low-voltage equipment for electric vehicles.
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
PRODUCT PARAMETERS
The parameters of 3.3KW OBC
Input Electrical Characteristics
Rated Input Voltage
220V AC
Input Voltage Range
90-265V AC
Frequency
45-65Hz
Maximum input current
16A
Power factor
≥0.98 More than half a load
Standby power consumption
≤5W
Output Electrical Characteristics
Rated output voltage
24V
48V
72V
108V
144V
360V
540V
Output Voltage Range
0V-36V
0V-68V
0V-95V
0V-140V
0V-210V
0V-500V
0V-720V
Output current range
0-100A
0-60A
0-45A
0-30A
0-22A
0-10A
0-6A
Rated output power
3.3KW(220VAC) 1.6KW(110VAC)
Output mode
Constant voltage/current
Output constant voltage accuracy
1%
Output constant current accuracy
±0.5A (Io≤10A) & ≤±5% (Io>10A)
Ripple Voltage Coefficient
1%
Efficiency
≥92%
≥94%
The parameters of 6.6KW OBC
Input Electrical Characteristics
Rated Input Voltage
220V AC
Input Voltage Range
90-265V AC
Frequency
45-65Hz
Maximum input current
32A
Power factor
≥0.99 More than half a load
Standby power consumption
≤5W
Output Electrical Characteristics
Rated output voltage
48V
80V
96V/108V
144V
360V
540V
720V
Output Voltage Range
30V-80V
50V-105V
65V-140V
90V-195V
220V-450V
350V-650V
550V-850V
Output current range
0-80A
0-80A
0-60A
0-44A
0-18A
0-12A
0-9A
Rated output power
6.6KW(220VAC) 3.3KW(110VAC)
Output mode
Constant voltage/current
Output constant voltage accuracy
1%
Output constant current accuracy
±0.5A(Io≤10A)&≤±5%(Io>10A)
Output Response Time
≤200mS
Voltage Ripple Coefficient
1%
Efficiency
≥92%
≥94%
Protective function
Input overvoltage protection value
AC 270±5V
Input undervoltage protection value
AC 85±5V
Output overvoltage protection value
Stop output when +2% above maximum output voltage
Output undervoltage protection value
Stop output when lower than -5% of minimum output voltage
Output overcurrent protection value
Stop output when the output current is greater than the maximum current
Output reverse and short circuit protection
Protection shutdown when the output is short-circuited or reversed, and can be restored after troubleshooting.
CAN communication protection
Automatically stop output when CAN communication fails
Over-temperature protection
Reduce the output power when the temperature of the heat sink is higher than 75℃, disconnect the circuit when the temperature is
higher than 90℃, and resume the output when the temperature returns to below 85℃.
The parameters of 10KW OBC
Type
10kW Fan cooled OBC
Input Characteristic
Rated Input Voltage
380VAC 10KW

220VAC 3.3KW
Rated Input Voltage Frequency
50Hz
Input Frequency Range
45～65Hz
Starting Inrush Current
≤16A
Input Power Factor
≥0.99(@380Vin,Pomax)
Output Characteristics
Voltage Regulation Accuracy
±1%
Accuracy of Current Stabilisation
±0.5A(Io≤10A)&≤±5%(Io>10A)
Voltage Ripple Coefficient
≤1%
Output Response Time
≤200mS
Typical Efficiency
94%
Input Voltage Range
Rated Output Power
Rated Output Voltage
Output Voltage Range
Output Current Range
380VAC
10KW

24VDC

0-40VDC
0-300A
220VAC
3.3KW
0-100A
380VAC
10KW

48VDC

0-68VDC
0-180A
220VAC
3.3KW
0-60A
380VAC
10KW

72VDC

0-95VDC
0-135A
220VAC
3.3KW
0-45A
380VAC
10KW

108VDC

0-135VDC
0-90A
220VAC
3.3KW
0-30A
380VAC
10KW

144VDC

0-180VDC
0-66A
220VAC
3.3KW
0-22A
380VAC
10KW

360VDC

0-500VDC
0-27A
220VAC
3.3KW
0-9A
380VAC
10KW

540VDC

0-720VDC
0-18A
220VAC
3.3KW
0-6A
The parameters of 20KW OBC
Model
Input voltage range
Rated output power
Rated voltage
Output voltage/ current range
360V
152~456VAC
20KW
360VDC
200-500VDC/0-54A
540V
152~456VAC
20KW
540VDC
350-720VDC/0-36A
700V
152~456VAC
20KW
700VDC
400-850VDC/0-24A
On-board power supply type
20kW Liquid-cooled on-board charger assembly
Model
360V
540V
700V
Input Characteristics
Rated input voltage
380VAC three-phase five-wire system ( middle wire must be reliably connected )
6.6kW(220V single-phase input)
Input voltage range
152～456VAC
Rated input voltage and frequency
50Hz
Input frequency range
45～65Hz
Starting inrush current
≤32A
Input power factor
≥0.99(@380Vin, Pomax)
Output Characteristics
Rated output power
20KW
Output voltage range
200-500V
350-750V
400-850V
Output current range
0-54A
0-36A
0-24A
Voltage stabilization accuracy
±1%
Stabilization accuracy
±0.5A(Io≤10A)&≤±5%(Io>10A)
Voltage ripple factor
≤1%
Output response time
≤200mS
Typical efficiency
≥94%

APPLICATIONS
Commercial EV Conversion: High-power OBCs designed for converting buses and trucks to electric power. Specialty Vehicles: Power supply solutions for explosion-proof forklifts, port AGVs, and sanitation vehicles. Marine & ESS: Hybrid marine vessels and mobile energy storage charging modules.
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles

FAQ
1. Can the charger communicate with our BMS?
Yes. CAN Bus communication is standard, with protocol customization available.

2.Do you support liquid cooling?
Yes. Both air-cooled and liquid-cooled versions are available depending on power level and installation requirements.

3. Can multiple chargers work in parallel?
Yes. CTS supports parallel charging solutions for higher power applications such as marine propulsion systems and heavy-duty vehicles.

4. What industries do you serve?
Passenger vehicles, commercial vehicles, marine propulsion, agricultural machinery, construction equipment, mining vehicles, airport vehicles and other electric mobility applications.

5. What protection features are included?
Our chargers typically include:
* Over-voltage protection
* Over-current protection
* Short-circuit protection
* Over-temperature protection
* Reverse polarity protection
* Input/output isolation protection
* IP67 waterproof and dustproof protection

6. Do you provide certification support?
Yes. Depending on project requirements and target markets, CTS can support compliance with CE, EMC, IEC,LVD, RoHS ,GB/T, and other international standards.

7. Can you provide engineering support during development?
Yes. Our engineering team works closely with OEMs and system integrators during vehicle development, including charger selection,BMS communication integration, system validation, and prototype testing.
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CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles

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Product Detail
Chargingpower :
3.3kW to 6.6kW
Outputcurrent :
Up to 32A
Compliance standards :
IEC 61851, SAE J1772
Payment Terms :
L/C,T/T
Operatingtemperaturerange :
-40°C to +85°C
Chargingefficiency :
≥ 93%
Contact Supplier
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles
CTS High Power EV On Board Charger 3.3kW/6.6kW OBC With Fan Cooling For Electric Cars Commercial Vehicles

Hangzhou CTS Power Electronics Technology Co., Ltd.

Verified Supplier
1 Years
zhejiang, hangzhou
Since 2021
Business Type :
Manufacturer
Main Products :
On-board Charger, DC/DC Converter, Integrated OBC + DCDC
Total Annual :
4000000-50000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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