Power Distribution Module for Servo Drives

Product Specifications

Technical details and manufacturing context for Power Distribution Module

Definition

The Power Distribution Module is a critical sub-assembly within a Servo Drive or Actuator Interface. Its primary role is to act as the central electrical hub, managing the incoming main power supply. It typically performs functions such as input filtering, transient voltage suppression, and isolation before branching the conditioned power to the drive's internal sections, including the control logic board, motor driver stages, feedback systems, and communication interfaces. This ensures stable, clean, and protected power delivery essential for the precise and reliable operation of the servo system. The module is designed for industrial environments, with an operating temperature range of -40 to 85 °C and storage from -40 to 105 °C, per IEC 60068-2-1 and IEC 60068-2-2. It handles input voltages of 24 V DC ±10%, and provides regulated outputs of 5, 12, and 24 V DC. Total output current ranges from 0.5 to 10 A, with a power rating of 50 to 240 W. Efficiency is at least 90% at full load. The module offers isolation voltage of 1500 V AC (IEC 61010-1), output ripple of ≤50 mV p-p, line regulation of ±1%, and load regulation of ±2%. It operates in non-condensing relative humidity of 5% to 95% (IEC 60068-2-78) and has an ingress protection rating of IP54 to IP65 (IEC 60529). Typical dimensions are 100×60×30 mm. Materials include a printed circuit board, copper bus bars or traces, electronic components such as capacitors, inductors, and fuses, and a plastic or metal housing. The module is a component, not a standalone product, and its specifications must be verified for the specific model and application with the legal manufacturer or supplier.

Working Principle

The module receives AC or DC input power. Internal circuits, which may include fuses, circuit breakers, filters, and voltage regulators, condition this input to mitigate noise, spikes, and surges. It then routes the conditioned power through multiple output channels or bus bars to designated points within the drive assembly. Its operation is fundamental to system safety, stability, and protection against electrical faults. The module monitors output current and temperature, and may trigger thermal shutdown if the total current exceeds the rated range. It also provides isolation between input and output to protect sensitive electronics. The working principle is based on standard power distribution and conditioning techniques, ensuring that each sub-circuit receives stable and clean power.

Common Materials

Printed Circuit Board (PCB), Copper bus bars/traces, Electronic components (capacitors, inductors, fuses), Plastic or metal housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Input Voltage	24 ±10% V DC	Standard industrial DC supply; outside range may cause undervoltage lockout or overvoltage damage.
Output Voltage	5, 12, 24 V DC	Multiple regulated outputs for logic, sensors, and actuators.
Output Current	0.5–10 A	Total current capacity; exceeding may trigger thermal shutdown.
Power Rating	50–240 W	Continuous power handling; derate at high ambient temperature.
Efficiency	≥90 %	At full load; lower efficiency increases heat generation.
Operating Temperature	-40–85 °C	Extended range for industrial environments; outside may cause failure.IEC 60068-2-1, IEC 60068-2-2
Storage Temperature	-40–105 °C	Non-operating; avoid exceeding to prevent component damage.IEC 60068-2-1, IEC 60068-2-2
Ingress Protection	IP54–IP65	IP54 for indoor, IP65 for washdown; higher is more resistant.IEC 60529
Relative Humidity	5–95 % RH	Non-condensing; condensation may cause short circuits.IEC 60068-2-78
Isolation Voltage	1500 V AC	Input to output/ground; ensures safety isolation.IEC 61010-1
Output Ripple	≤50 mV p-p	Peak-to-peak; high ripple may affect sensitive electronics.
Line Regulation	±1 %	Output voltage change with input variation; tight regulation for stable loads.
Load Regulation	±2 %	Output voltage change from no load to full load; important for dynamic loads.
Dimensions	100×60×30 mm	Typical footprint; custom sizes available on request.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Input Terminal Block Part
Connection point for the main incoming power cables.

Material: Copper alloy, plastic insulator
Output Bus Bar / PCB Traces Part
Conducts and distributes power from the input to various output points.

Material: Copper
Protection Circuit (Fuse/Circuit Breaker)
Provides overcurrent protection to prevent damage to downstream components.

Material: Various (ceramic, metal, bi-metallic strip)
Filtering Components (Capacitors/Inductors) Part
Suppresses electrical noise and stabilizes the input power.

Material: Various (aluminum, ceramic, ferrite core)
Voltage Regulator
Holds each output rail at its set level regardless of what the input does.
Isolation Circuit
Keeps input and output sides galvanically apart so a fault on one does not reach the other.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Servo Drive/Actuator Interface

View system integration details

Manufacturers of Power Distribution Module

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

DEGSON

Zhejiang, CN

Also makes: Feed-through Terminal Blocks, Power Distribution, Field Sensors and 9 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the input voltage range for this power distribution module?

The input voltage is 24 V DC ±10%. Operating outside this range may cause undervoltage lockout or overvoltage damage. Always verify the exact range for your specific model.

What output voltages does the module provide?

The module provides regulated outputs of 5 V, 12 V, and 24 V DC, suitable for logic, sensors, and actuators. Confirm the exact output configuration with the manufacturer.

What is the maximum output current and power rating?

The total output current ranges from 0.5 to 10 A, and the power rating is 50 to 240 W. Exceeding these limits may trigger thermal shutdown. Check the datasheet for your model.

What environmental conditions can the module withstand?

It operates in -40 to 85 °C and can be stored in -40 to 105 °C. It is rated IP54 to IP65 for ingress protection and works in 5% to 95% non-condensing humidity. Always verify compliance with the listed standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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current:	Up to 30A per channel
voltage:	12-48 VDC
temperature:	-40°C to +85°C

Power Distribution Module

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards