Reliable 48VDC Auxiliary Power for Controllers, Sensors, and Communication Hubs
As global energy shifts toward Microgrids and Off-Grid Renewable Systems, the need for robust DC-DC conversion has never been higher. High-voltage battery banks (operating between 66V and 154V) require precision down-conversion to power sensitive 48V control electronics.
The MDC200-110S48 by Guangdong Mingxin Technology is a rugged, IP65-rated, 200W isolated DC-DC converter engineered to thrive where standard power supplies fail.
I. Strategic Solution: Bridging the High-Voltage Gap
In microgrid and solar-plus-storage projects, the "Bus Voltage" often fluctuates significantly. The MDC200 series acts as a critical isolation barrier and voltage stabilizer, providing a clean 48VDC output for:
Microgrid Controllers & RTUs
Environmental & Power Sensors
Wireless Communication & IoT Gateways
Security Surveillance & Monitoring Systems
II. Technical Specifications: MDC200-110S48
| Key Parameter | Performance Detail |
| Model Number | MDC200-110S48 |
| Input Voltage Range | 66VDC – 154VDC (Wide Input Support) |
| Output Voltage | 48VDC (Stable Bus Power) |
| Output Current | 4.16A |
| Rated Power | 200W |
| Isolation | Input-to-Output Electrical Isolation |
| Ingress Protection | IP65 Waterproof & Dustproof |
| Cooling | Natural Convection (No moving parts) |
| Dimensions | 139 × 88 × 27.5 mm |
III. Core Technical Highlights & Engineering Advantages
1. Galvanic Isolation for System Integrity
The MDC200-110S48 features high-voltage electrical isolation. By decoupling the input and output circuits, it effectively suppresses surges, voltage spikes, and ground loops, protecting your expensive downstream communication cards and sensors from catastrophic failure.
2. IP65 Ruggedized Aluminum Housing
Encased in a fully sealed CNC-machined aluminum alloy shell, this converter is built for harsh environments. The IP65 rating ensures it remains operational in high-humidity, salt-mist, or dust-heavy outdoor cabinets without the need for external fans.
3. Ultra-Low Ripple & Noise
Designed for sensitive electronics, our advanced filtering technology ensures low ripple and noise. This is vital for telecom and sensor applications where power interference can degrade data accuracy or signal range.
4. Comprehensive Electrical Protection
Input Protection: Under-voltage and Over-voltage lockout to prevent battery deep-discharge or spike damage.
Output Protection: Instantaneous short-circuit and over-current protection with auto-recovery.
Thermal Management: Built-in over-temperature shutdown to ensure long-term reliability.
IV. Targeted Applications
Our power solutions are deployed globally in specialized sectors:
Renewable Energy: Voltage conversion for off-grid solar storage and microgrid control units.
Railway & Transit: 110VDC nominal rail power systems (compliant with wide input requirements).
Industrial Automation: 48V auxiliary power for PLC systems and industrial IoT.
Marine & EV: Ruggedized DC conversion for electric propulsion and onboard monitoring.
V. About Guangdong Mingxin Technology Co., Ltd.
Located in the Gaosheng Industrial Park, Dongguan, Guangdong, Mingxin Technology is a premier R&D-driven manufacturer of high-end power modules.
R&D Excellence: Our team consists of veteran power engineers utilizing state-of-the-art SMT, wave soldering, and automated aging test equipment.
Quality First: Every component is sourced from world-class brands, undergoing rigorous environmental stress screening (ESS).
Customization (OEM/ODM): We specialize in non-standard DC-DC and AC-DC solutions, including custom voltage rails, dual-output configurations, and reinforced EMI/EMC designs.
VI. Optimize Your Power Infrastructure Today
If you are looking for a reliable 66-154V to 48V DC-DC converter that combines high efficiency with industrial-grade durability, the MDC200-110S48 is your professional choice.
Contact our Engineering Support Team:
Request a Technical Datasheet
Get a Quote for Bulk/Project Orders
Inquire about Custom Voltage Configurations
