Liquid-Cooled Construction
Liquid cooling supports thermal integration into the host system. Confirm coolant, flow, temperature and connection requirements with CTS during project review.
CTS3400-M15 Series Liquid-Cooled On-Board Charger & DC-DC Converter
CTS3400-M15 Series Liquid-Cooled On-Board Charger & DC-DC Converter
Basic Properties
Country Of Origin
China
Brand Name
CTS
Certificate
Declaration of Conformity/CE
PRODUCT MODEL
Liquid-Cooled On-Board Charger & DC-DC Converter
Trading Properties
MOQ
2
Payment Method
L/C,D/A,T/T
Supply Capacity
5000pcs/month
Product Summary
Liquid-cooled 2-in-1 OBC and DC-DC converter delivering up to 3.0kW charging and 1.8kW 14V auxiliary output. Features active PFC, ≥93% peak efficiency, CAN communication, bootloader support, and IP67 design support. Five voltage configurations available.
Product Details
Highlight:
liquid-cooled on-board charger
,on-board DC-DC converter
,CTS3400-M15 series charger
Protectionfeatures:
Overvoltage, Overcurrent, Overtemperature, Short Circuit
Chargingmode:
AC Level 1 And Level 2
Input Voltage:
90–264VAC
Rated Power:
2000W
Output Power:
1350W
Peak Efficiency:
≥ 93%
Supported Battery Voltage:
24V/36V/48V/60V/72V/80V/96V
Weight:
Approximately 3.5 Kg
Compliance Standards:
IEC 61851, SAE J1772
Outputcurrent:
Up To 32A
Power Factor:
≥0.98
Communication Function:
CAN (Optional)
Auxiliary Output:
13.8V / 5A (Continuous)
Battery Voltage:
24V, 36V, 48V, 60V And 72V
Product Description
CTS3400-M15 Series · Liquid-Cooled 2-in-1 Assembly
Liquid-Cooled On-Board Charger & DC-DC Converter
Battery charging and 14V auxiliary power in one liquid-cooled assembly.
The CTS3400-M15 Series combines an on-board charger and a DC-DC converter with 90–290VAC input. Five configurations provide model-dependent charging power up to 3.0kW and DC-DC output up to 1.8kW, supported by CAN communication and software parameter adjustment.
90–290VAC AC input range
Up to 3.0kW Listed OBC power
Up to 1.8kW DC-DC output power
Liquid Cooling Thermal management method
Product Overview
Combine Charging and DC-DC Conversion
The CTS3400-M15 integrates high-voltage battery charging and low-voltage power conversion in one liquid-cooled assembly. The OBC charges the high-voltage battery, while the DC-DC section provides a 14V output for auxiliary electrical systems.
The design incorporates circuit-board potting, independently mounted magnetic components and fully digital control. CAN communication, bootloader support and software parameter adjustment assist commissioning and maintenance.
Choose the configuration that matches your battery voltage range and auxiliary load, then confirm liquid-cooling requirements during integration.
Product Features
Designed for Integrated Vehicle Power Systems
Potted Circuit Board
Circuit-board potting and independently mounted magnetic components form part of the assembly’s mechanical and electrical construction.
Digital Control and Active PFC
A modular power design, fully digital control and active power factor correction support operation with 90–290VAC input.
Hardware and Software Protection
Protection at both hardware and software levels supports operation within the specified application conditions.
CAN and Bootloader Support
CAN communication and bootloader functionality assist system integration and firmware maintenance. Supporting software enables parameter adjustment.
IP67 Assembly Design Support
The specification describes support for an IP67 assembly design. Final protection depends on the supplied configuration, connector sealing and installation.
Technical Specifications
Select Your Voltage and Auxiliary Power Configuration
All listed models specify 90–290VAC input. OBC power, high-voltage output range and DC-DC rating depend on model.
| Model | AC Input | OBC Power | HV Output | HV Output Range | DC-DC Power | LV Output |
|---|---|---|---|---|---|---|
| CTS3402-M15-XX | 90–290VAC | 3.0kW | 360V / 10A | 250–450VDC | 1.8kW | 14V / 128A |
| CTS3403-M15-XX | 90–290VAC | 1.5kW | 144V / 22A | 100–180VDC | 1.8kW | 14V / 128A |
| CTS3404-M15-XX | 90–290VAC | 1.5kW | 108V / 30A | 80–140VDC | 1.8kW | 14V / 128A |
| CTS3405-M15-XX | 90–290VAC | 1.5kW | 72V / 45A | 50–100VDC | 1.2kW | 14V / 85A |
| CTS3406-M15-XX | 90–290VAC | 1.5kW | 48V / 60A | 40–80VDC | 1.2kW | 14V / 85A |
Values are reproduced from the supplied specification. Listed voltage, current and power values should not be assumed to be simultaneously available. Confirm charging power, output-current limits, cooling conditions and simultaneous operation with CTS before final selection.
Product TypeIntegrated OBC + DC-DC assembly
Cooling MethodLiquid cooling
ControlFully digital
Power Factor CorrectionActive PFC
ProtectionHardware and software
CommunicationCAN
Firmware SupportBootloader
ConfigurationSoftware parameter adjustment
Frequently Asked Questions
Before You Integrate
Share your battery specifications, auxiliary loads and cooling-system requirements for technical review.
Contact Technical Sales →What does the CTS3400-M15 integrate?
It combines a liquid-cooled on-board charger and a DC-DC converter in one assembly, providing high-voltage battery charging and 14V auxiliary output.
What OBC power ratings are listed?
The supplied specification lists 3.0kW for CTS3402-M15-XX and 1.5kW for the other four models. Confirm final power ratings and output-current limits before ordering.
Which models provide 1.8kW DC-DC output?
CTS3402-M15-XX, CTS3403-M15-XX and CTS3404-M15-XX list 1.8kW at 14V/128A. CTS3405-M15-XX and CTS3406-M15-XX list 1.2kW at 14V/85A.
What liquid-cooling information should I request?
Ask CTS for the required coolant specification, flow rate, inlet temperature range, pressure limits and connection details for your selected configuration.
Does the assembly support CAN communication?
Yes. The specification lists CAN communication, bootloader support and software parameter adjustment. Request protocol documentation to assess system compatibility.
Does the design support an IP67 assembly?
The specification describes support for IP67 assembly design. Confirm the final protection rating, connector sealing and installation requirements with CTS.
Start Your Project
Discuss Your Liquid-Cooled Charging Requirements
Looking for a liquid-cooled on-board charger with integrated DC-DC conversion? Send your application details for model selection, technical documentation and a quotation.
sarah@ctscharger.comOpens your email app with an inquiry draft.
Details to Include in Your Inquiry
- Vehicle or equipment type
- Battery chemistry and voltage range
- Required charging power and current
- Required 14V auxiliary output current
- Installation space and mounting requirements
- Cooling-loop conditions and connection requirements
- CAN protocol and controller requirements
- Environmental and sealing requirements
- Estimated quantity and project schedule
