CE Certified Voltage Converter Factories & Supplier

High-Density Board-Mounted Bricks, Industrial OBC Platforms & Custom Automotive Converters

CE Certified Voltage Converters & OBC Modules

Explore OEM-grade, high-efficiency power conversion products engineered for electric vehicles, industrial equipment, and microgrid applications.

IP67 Waterproof Bidirectional 3.3 KW OBC 1.8 KW DCDC Converter
2-in-1 Integration

Premium IP67 Waterproof & Air-Cooled Bidirectional 3.3 KW OBC & 1.8 KW DCDC Converter 2-in-1 Assembly

  • Bi-directional Power Flow (V2L/V2G)
  • Dual Power Output: 3.3kW + 1.8kW
  • IP67 Heavy-Duty Sealed Enclosure
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Dilong 3.3kW OBC EV On-board Charger Module
High Voltage OBC

Dilong 3.3kW OBC EV On-board Charger Module 100V-200V Output DA3K3M13-150C Models

  • Output Voltage: 100V–200V DC
  • Efficiency: ≥95.5% Peak
  • CAN 2.0B Communication Interface
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Rack Mounted AC DC OBC Module
Industrial Rack Mount

High Efficiency AC to DC Fast Charger 3.3kW Power Supply Rack-Mounted AC/DC OBC Module

  • 19-Inch Rack Mounted Topology
  • Active Power Factor Correction (PFC >0.99)
  • Engineered for Industrial Fleet AGVs
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3.3kw Obc Charger Module 2kw Wall Mounted
Smart EVSE Pile

3.3kW OBC Charger Module & 2kW Wall-Mounted / Floor-Mounted Smart EV Charging Station

  • Compatible with 48V, 72V, 144V Systems
  • Integrated Smart Pile Controller
  • CE & LVD Compliance Safety Certified
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Industrial Grade 3.3KW EV Charger Module OBC DC DC
Heavy Industrial

Industrial Grade 3.3KW EV Charger Module OBC & DC-DC Integrated Charger IP67 Waterproof

  • Thermal Conduction Plate Design
  • Over-Temp & Short Circuit Protection
  • Optimized for Commercial Off-Highway
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3.3kw EV OBC Charger CAN BUS
Multi-Voltage Flexible

3.3kW EV On-Board Charger (48V–312V Output Options) for Motorcycle & Utility Battery Systems

  • Wide Output: 48V, 72V, 96V, 144V, 312V
  • Programmable Charging Profiles (LiFePO4)
  • Isolated CAN Bus Communication
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3.3KW OBC DC Charger Module 2KW Wall Mounted
Commercial EVSE

3.3KW OBC DC Charger Module with Wall/Floor Mounted Smart EV Charging Pile Assembly

  • Designed for Commercial Infrastructure
  • Rugged Anti-Vibration Aluminum Housing
  • CE EN 61851-1 Standard Verification
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3.3kw EV OBC DC Charger Module 6.6kw
High Power Scalable

3.3kW / 6.6kW EV On-Board Charger Module for 48V 72V 144V Lithium LiFePO4 Systems

  • Parallelable Architecture up to 6.6kW
  • Zero-Voltage Switching (ZVS) Topology
  • Ultra-Low Thermal Derating Profile
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96.5%
Peak Conversion Efficiency
15W–5kW+
Power Conversion Coverage
IP67 / IP69K
Ingress Protection Rating
100%
Automated HASS & Burn-In Test

Enterprise Manufacturing Expertise & Quality Rigor

As a global technology leader in board-mounted isolated DC-DC converters, point-of-load (POL) modules, and e-Mobility power conversion systems, our factory network combines advanced switch-mode engineering with rigorous quality control systems. Operating in accordance with ISO 9001 and IATF 16949 standards, our facilities supply high-density power modules engineered to perform reliably across demanding telecom, industrial automation, railway, and commercial electric vehicle platforms.

Every isolated voltage converter—ranging from standard DOSA micro-bricks (1/32nd, 1/16th, 1/8th, quarter, half, and full brick) up to integrated 5kW liquid-cooled automotive converters—undergoes strict design-for-reliability (DFR) protocols. By executing full thermal simulation, worst-case loop analysis, continuous HALT/HASS stress screening, and automated optical inspection (AOI), we ensure zero-defect delivery for mission-critical installations worldwide.

Information Gain Insight: Modern high-voltage e-Mobility systems require power units capable of wide input voltage tolerances (from 9V up to 650V DC) combined with reinforced galvanic isolation (2250VDC to 3000VAC). Our CE-certified power converters implement Silicon Carbide (SiC) MOSFET switches to achieve high power density with ultra-low switching losses.

Wide Input Range Flexibility

Standard isolated DC-DC modules support nominal input spans of 9-36V, 18-75V, 36-75V, 66-160V, and high-voltage spans up to 400-650V DC.

Thermal & EMI Margin

Heavy copper PCBs and potted aluminum enclosures ensure effective heat rejection under natural convection, forced air, or cold-plate liquid cooling.

CE & EMC Certification

Fully compliant with CE Low Voltage Directive (LVD 2014/35/EU), EMC Directive (2014/30/EU), EN 61851-1, and IEC 62477-1 safety standards.

Voltage Converter Architectural Comparison Matrix

Selecting the correct converter architecture requires evaluating thermal constraints, efficiency thresholds, package footprint standards, and control interfaces. The matrix below outlines standard factory specs across our core OEM module families:

Converter Category Nominal Power Spans Input Voltage (Vin) Isolation Rating Cooling Topology CE & Target Standard
Isolated DC-DC Bricks 15W – 1000W+ 9V–75V / 180V–400V 1500VDC – 2250VDC Conduction / Air-Cooled EN 62368-1, DOSA Standard
Non-Isolated POL Modules 10A – 100A Output 2.5V – 60V DC Non-Isolated (Common Ground) Natural Convection CE, DOSA / POLA Footprint
On-Board Chargers (OBC) 1.8kW – 6.6kW 85V – 265V AC 3000VAC Reinforced Liquid / Forced Air (IP67) EN 61851-1, ISO 26262 ASIL-B
OBC + DCDC 2-in-1 Combos 3.3kW OBC + 1.8kW DC 85V–265VAC / 200V–450VDC 3000VAC Isolation IP67 Sealed Conduction/Liquid CE, IEC 61851-23, SAE J1772
Railway Power Converters 50W – 600W 14.4V – 168V DC Wide Range 3000VAC Reinforced Encapsulated Baseplate EN 50155, EN 45545-2 Fire Safety

Future Procurement Trends in Power Conversion & OBC Architecture

As industrial automation and commercial electrification accelerate globally, B2B procurement managers and lead electrical engineers must align vendor sourcing with critical technological shifts. Sourcing strategy over the next decade is governed by four foundational trends:

  1. Transition to Wide Bandgap (WBG) Semiconductors: Traditional Silicon MOSFETs are rapidly being replaced by Silicon Carbide (SiC) and Gallium Nitride (GaN) devices. WBG semiconductors allow switching frequencies to exceed 300 kHz, reducing magnetic component volume by over 40% while driving overall conversion efficiency beyond 96.5%.
  2. Bidirectional Power Integration (V2L / V2G): Procurement specifications for EV chargers now increasingly mandate bidirectional energy flow capability. On-board chargers must support both grid-to-vehicle charging (G2V) and vehicle-to-load/grid (V2L/V2G) power export to support mobile power generation and emergency grid balancing.
  3. Unified 2-in-1 and 3-in-1 Mechatronic Architectures: Standalone DC-DC converters and AC-DC chargers are merging into single IP67/IP69K aluminum die-cast enclosures. Integrating the High-Voltage to Low-Voltage DC-DC stage (HV-to-LV) inside the OBC reduces weight, eliminates complex high-voltage cabling, and lowers total system procurement BOM costs.
  4. Digital Control & CAN J1939 Protocol Standardisation: Analog feedback loops are giving way to digital signal processors (DSPs) supporting isolated CAN 2.0B and J1939 protocols. This enables real-time dynamic voltage adjustment, automated fault telemetry logging, dynamic firmware updates, and predictive maintenance diagnostics.

Frequently Asked Sourcing & Engineering Questions

What specific certifications make a voltage converter "CE Compliant" for industrial and EV deployments?
CE compliance requires validation against both the Low Voltage Directive (LVD 2014/35/EU) and the Electromagnetic Compatibility (EMC) Directive (2014/30/EU). For EV chargers and DC-DC converters, compliance involves testing under EN 61851-1 (electric vehicle conductive charging systems), EN 62368-1 (audio/video, information and communication technology equipment safety), and CISPR 32 / EN 55032 Class A/B conducted and radiated emissions standards.
How do you ensure thermal management and reliability under harsh ambient conditions?
Our modules utilize potting resins with thermal conductivities exceeding 1.5 W/m-K, bonded directly to aluminum baseplates or liquid cold plates. We publish detailed de-rating curves (Airflow vs. Ambient Temperature) for every model and conduct 100% full-load burn-in screening alongside HASS (Highly Accelerated Stress Screening) to guarantee MTBF figures exceeding 1,000,000 hours per MIL-HDBK-217F.
Can standard DC-DC bricks or OBC platforms be modified for semi-custom OEM applications?
Yes. We provide full NRE-efficient custom design services, including custom pinouts, mechanical baseplate modifications, specific CAN bus message maps, altered input voltage ranges (e.g., up to 650VDC for high-voltage commercial vehicles), and custom thermal packaging for specialized industrial platforms.
What protection features are integrated into these high-power modules?
Standard hardware protection includes Input Over/Under-Voltage Lockout (UVLO), Output Over-Voltage Protection (OVP), Output Current Limiting / Short Circuit Hiccup Mode, Over-Temperature Shutdown (OTS) with auto-recovery, and Reverse Polarity Protection.
What documentation accompanies sample requests and production orders?
Every sample shipment includes released technical datasheets, full thermal derating application notes, recommended PCB layout guidelines (including EMI filter suggestions), CE certificates of conformity, RoHS/REACH compliance documentation, and factory test reports.

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