Landworld 3kw DC Electric Commericial Bus Converter

• Customization: Available
• Type: Buck DC-DC Converter
• Certification: ISO
• Model NO.: LWD3KB-540/640S27-A
• Warranty: 3years
• USB Number: No
• Usage: EV Onboard Charger
• Specification: 262x180x120mm
• Trademark: LANDWORLD
• Origin: China
• Package Size: 40.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 10.500kg

Product Description

FEATURES

1.         Cooling method: by fan cooled

2.         IP rating: IP67

3.         Support on-line upgrading and fault diagnosis  

4.         Full digital software design, Redundant protection function design 

MAIN TECHNICAL PARAMETERS

Items	Technical Parameters		Remarks
Operation temperature	-40-85℃
Nominal output power	3KW		Peak: 3.6KW
Input Rated Voltage	380	640
Input voltage range	200-450	400-750
Output voltage range	27.5VDC		Adjustable
Nominal output current	109A
Auxiliary power	9-32VDC		VCC
Efficiency	≥95%		Typical efficiency
Output voltage ripple	≤500mVPK-PK
Output Voltage accuracy	±1%
voltage wake-up	KL15(Hardwire)
CAN communication	CAN-BUS
Static current	≤2mA		Sleep mode/Battery current consumption under stop status
EMC standard	GB/T 18655-2010
Protections	Input OVP/UVP, output OVP/UVP,OTP, input reverse protection, output short-circuit protection, OCP, OTP

APPLICATIONS

New Energy Passenger Vehicle

Electric Commercial Vehicle

New Energy construction Machinery 

R&D STRENGTH AND MANUFACTURING STRENGTH SHOW

R&D Strength

 Manufacturing Strength

We have pushed continuous innovation in power electronics with an expert R&D team developing advanced EV power solutions. Our investment in technology and collaboration with industry leaders ensures compliance with global standards, which has enabled us to deliver customized, high-performance, and reliable solutions.

Our facilities feature intelligent systems for efficient production. With certifications like ISO26262, IATF 16949, and ESD S20.20, we uphold strict quality standards. Flexible production lines allow us to meet diverse demands while maintaining consistent quality and reliability for the global EV market.

FAQ

Q1: How does the Landworld 3kW fan cooled DC/DC Converter support electric bus operation?
A: It provides stable auxiliary power from the high-voltage battery, ensuring reliable operation of control, lighting, and air-conditioning systems in electric buses.

Q2: What are the advantages of the Landworld 3kW fan cooled DC/DC Converter compared with water-cooled designs?
A: The fan cooling design is compact, easy to install, and suitable for electric buses with limited cooling capacity, while maintaining stable conversion efficiency.

Q3: Can the Landworld 3kW fan cooled DC/DC Converter be customized for different bus voltage platforms?
A: Yes, it supports various high-voltage inputs and can be tailored in output voltage and communication protocols to meet OEM requirements for electric buses.