MDH500-48S12 500W 48V to 12V Isolated DC-DC Converter for Solar Photovoltaic Systems

Modern solar photovoltaic systems commonly operate on 48V DC battery platforms, while control units, monitoring devices, communication modules, and auxiliary electronics require stable 12V DC power supply for reliable operation.

The MDH500-48S12 isolated DC-DC converter from Guangdong Mingzinc Technology is a high-reliability 500W industrial-grade power module designed specifically for solar PV auxiliary power systems. It provides stable voltage conversion, high electrical isolation protection, and IP65 environmental resistance for outdoor photovoltaic installations.

Why Solar PV Systems Require 48V to 12V DC-DC Converters

Solar photovoltaic installations typically include:

Battery storage systems
PV monitoring systems
Communication modules
Tracking control units
Inverter auxiliary electronics

These subsystems require stable 12V DC power for safe operation.

The MDH500-48S12 ensures reliable voltage conversion from 48V battery platforms to regulated 12V output.

Key Specifications of MDH500-48S12

Model: MDH500-48S12
Rated Power: 500W
Input Voltage: 36–72VDC
Output Voltage: 12VDC
Output Current: 41.67A
Cooling Method: Natural Cooling with Heat Sink Housing
Protection Level: IP65
Dimensions: 200 × 158 × 72 mm
Safety Standards: UL1950 / IEC950

Optional input ranges available:

18–36VDC
36–72VDC
66–154VDC
400–800VDC

Multi-output customization supported.

Typical Applications in Solar Photovoltaic Systems

The MDH500-48S12 is widely used in:

Solar battery storage systems
Off-grid photovoltaic systems
PV monitoring equipment
Solar tracking controller systems
Renewable energy control cabinets

It ensures stable auxiliary power supply across photovoltaic infrastructure.

Key Technical Advantages

Wide 2:1 Input Voltage Range

Supports:

36–72VDC input range

Ensures stable operation under battery voltage fluctuations.

Multiple Input Platform Options Available

Supports:

18–36VDC
36–72VDC
66–154VDC
400–800VDC

Flexible compatibility with various PV architectures.

High Electrical Isolation Protection

Protects downstream equipment from surge and spike interference.

Improves system reliability in harsh outdoor environments.

Low Ripple and Noise Output

Integrated EMI filtering structure ensures stable signal performance for monitoring systems and communication electronics.

Protection Features

Input undervoltage protection
Output overvoltage protection
Over-temperature protection
Output overcurrent protection
Short circuit protection

Ensures long-term stable operation in photovoltaic environments.

IP65 Aluminum Housing for Outdoor Solar Installations

Fully sealed aluminum enclosure provides:

Dust protection
Water spray resistance
Moisture resistance

Ideal for outdoor photovoltaic cabinets.

Customization Support from Mingzinc Technology

We provide:

Input voltage customization
Output voltage customization
Multi-output configuration
Mechanical structure customization
OEM / ODM services

Contact Mingzinc Technology for Datasheet

If you are designing solar photovoltaic auxiliary power systems and require a reliable 500W 48V to 12V isolated DC-DC converter, contact Mingzinc Technology for technical support and datasheets.