5V and 24V Dual-Output Power Solution for Industrial Control Cabinets

The Challenge: Different Devices, Different Voltage Requirements

Industrial control cabinets combine control boards, sensors, relays and communication interfaces within a limited installation space. While many industrial devices require 24VDC, embedded electronics may need a separate 5VDC supply.

Providing these two voltage rails with individual converters adds components, wiring and mounting requirements. For cabinet builders and equipment manufacturers, the challenge is to supply both voltage levels while keeping the installation organized and accessible for maintenance.

The Solution: Two Output Rails from One DC-DC Module

MINGZINC’s MDF170-D05&24 isolated DC-DC converter provides 5V and 24V outputs in one enclosed module.

In a compatible control system, the 5V output can supply embedded control boards and electronic interfaces, while the 24V output can serve sensors, relays and other control devices. This arrangement can reduce the need for separate converters and simplify the cabinet’s auxiliary power layout.

Input-to-output isolation provides electrical separation between the upstream DC source and downstream circuits. Grounding and interference control should be addressed as part of the complete cabinet design.

Cabinet Integration

The module mounts on the cabinet backplate, with screw terminals providing access for input and output wiring. Cable ducts and terminal blocks help route power to the appropriate loads and keep connections identifiable.

For a practical installation:

• Position the module where terminals remain accessible.

• Provide clearance for cooling and cable routing.

• Identify the 5V and 24V circuits clearly.

• Select wire sizes and branch protection to suit each load.

• Follow the specified grounding and installation requirements.

The application image illustrates this arrangement alongside PLC equipment, relays and terminal blocks.

Matching the Supply to the Application

Successful integration starts with the actual operating conditions.

The input range must cover the DC source’s minimum and maximum voltage. Each output must support its connected loads, including startup demand and switching peaks.

For dual-output systems, engineers should also verify combined power limits, cross-regulation and any minimum-load requirements in the product specifications. Cabinet temperature and ventilation must be considered when checking output capacity and derating.

These checks help establish whether one dual-output module is suitable for the complete load profile.

Applications

This power architecture is suitable for evaluation in industrial automation cabinets, machine control panels, monitoring systems and OEM equipment that require both 5V and 24V auxiliary power.

Its main value is straightforward: two required voltage rails from one module, with fewer separate power components to integrate and maintain.

Build Your Power Solution with MINGZINC

MINGZINC supports industrial equipment manufacturers and system integrators with isolated DC-DC and AC-DC power solutions.

Share your input voltage range, 5V and 24V load requirements, cabinet dimensions and operating temperature. Our team can review the MDF170-D05&24 for your application and discuss customization where required.

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