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High Voltage DC-DC Modules

Our High Voltage DC-DC Modules are designed to convert high-voltage DC sources into stable isolated low-voltage outputs for industrial and renewable energy applications.

With ultra-wide input ranges from 100VDC to 1200VDC, these converters are widely used in PV monitoring systems, combiner box monitoring units, battery energy storage systems (BESS), industrial automation equipment, and other high-voltage power applications.

Key Features

✓ Standard input ranges from 100VDC to 1200VDC

✓ Reinforced isolation

✓ Compact design

✓ Designed for PV monitoring systems

✓ Custom designs available for higher voltage applications up to 1500VDC

Explore our complete range of high-voltage DC-DC converter modules below.

Typical Specifications

ParameterValue
Input Voltage100-1000VDC
Optional Input200-1200VDC
Output Voltage5V / 12V / 15V / 24V / 48V
Output Power5W–50W
Isolation VoltageUp to 3000VAC
EfficiencyUp to 85%
Operating Temperature-40°C to +85°C

Why Choose CHONDA High Voltage DC-DC Modules

Wide Input Voltage

Supports 100–1000V and 200–1200V input ranges for demanding environments

Fast Support

Quick response from experienced engineering team

Stable & Reliable

High efficiency with long-term stable performance

Industrial Quality

Strict quality control for industrial applications

Custom Design

Flexible solutions tailored to your application needs

Competitive Pricing

Factory-direct pricing with strong cost advantage

Our High Voltage DC-DC Converter Series

Typical Applications

High Voltage DC-DC converters are commonly used in applications where low-voltage electronics must be powered safely from high-voltage DC sources.

PV String Monitoring

Power monitoring units installed inside solar combiner boxes often require isolated 24VDC or 12VDC power derived directly from 1000VDC or 1500VDC solar strings.

 Related Technical Articles：

Combiner Box Monitoring

Modern combiner boxes integrate monitoring electronics, communication modules, and protection circuits that require stable isolated power supplies.

 Related Technical Articles：

Battery Energy Storage Systems (BESS)

Battery storage systems frequently use high-voltage DC buses. High Voltage DC-DC converters provide isolated auxiliary power for monitoring, control, and communication equipment.

High Voltage Industrial Equipment

Industrial automation systems, power distribution equipment, and energy management systems often require isolated low-voltage power supplies operating from high-voltage DC sources.

Frequently Asked Questions

Can these DC-DC converters operate directly from 1000VDC?

Yes. Selected PHV series models are designed for direct operation from 1000VDC photovoltaic systems.

Are these converters isolated?

Yes. Electrical isolation helps protect low-voltage monitoring electronics from high-voltage DC buses.

Can these modules be used inside combiner boxes?

Yes. They are commonly used to power monitoring units, communication devices, and control circuits inside PV combiner boxes.

Are custom specifications available?

Yes. Custom input voltage ranges, output voltages, power ratings, and isolation specifications are available upon request, including solutions for higher-voltage photovoltaic systems.

Related Articles

Why PV Monitoring Systems Need Isolated Power Supplies

PV String Monitoring vs Inverter Monitoring: What’s the Difference?

How to Select a DC-DC Converter for PV Monitoring Applications

Why High Voltage DC-DC Converters Are Essential for PV Monitoring Systems

How to Power a PV String Monitoring Unit from a 1000VDC Solar Bus

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