Industrial Power & Control Modules — Engineered, Manufactured, Delivered
ISO 9001:2015 certified manufacturer of AC/DC power supplies, DC/DC converters, Modbus gateways, and industrial I/O systems. Self-designed hardware, vertical manufacturing, 7-day prototyping, 30-day volume delivery — serving 50+ countries worldwide.
Why Choose ModulesLink
Comprehensive Advantages for Your Industrial Automation Projects
In-House R&D
Dedicated engineering team designs hardware, firmware, and protocols from the ground up. Full schematic, PCB layout, and embedded software capabilities — no black-box outsourcing.
7-Day Prototyping
From requirement specification to functional prototype in 7 business days. Rapid design iteration with in-house SMT lines, 3D printing, and automated optical inspection.
30-Day Volume Delivery
10,000㎡ ISO 9001:2015 facility with 6 production lines, AOI, and burn-in testing. 100% outgoing inspection ensures every unit ships right — on schedule.
OEM/ODM Services
Full customization: logo printing, custom packaging, firmware tailoring, and hardware modifications. Your brand, our engineering — from concept to customs-ready shipment.
End-to-End Support
Dedicated FAE team assists from schematic review through commissioning. Integration guides, protocol debugging, and remote diagnostics — in English, Chinese, German, and more.
Global Compliance & Shipping
CE, RoHS, EMC, and UL certified products. Experienced export team handles DDP/DDU documentation for 50+ countries — you focus on integration, we handle logistics.
Product Center
Comprehensive Industrial Control Solutions for Diverse Applications
Engineering Tools
Streamline your design with our interactive engineering calculators and selectors
Global Reach, Local Support
Serving industrial customers in 50+ countries with reliable products and responsive service
Industry Standards We Serve
Delivering compliant solutions across diverse industrial sectors worldwide
IEC/EN Standards
Products designed and tested to IEC/EN 61000 EMC and IEC/EN 60950 safety standards for European market compliance.
Industrial Safety
Designed to meet industrial equipment safety requirements with reinforced isolation, over-voltage and over-current protection.
Protocol Standards
Full compliance with Modbus RTU/TCP, MQTT, OPC UA, and PROFINET communication protocol specifications.
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Frequently Asked Questions
What is ModulesLink?
ModulesLink is an ISO 9001:2015 certified manufacturer specializing in industrial modules including AC-DC power supplies, DC-DC converters, communication modules, I/O modules, and sensor transmitters for factory automation, smart buildings, and Industrial IoT applications.
What certifications do ModulesLink products have?
ModulesLink products carry CE, CB, UL, CQC, RoHS, and REACH certifications, ensuring compliance for EU, US, and Chinese markets.
Does ModulesLink offer OEM/ODM services?
Yes, ModulesLink provides OEM and ODM services with 7-day prototyping and 30-day delivery for custom industrial module solutions.
What types of industrial power supplies does ModulesLink manufacture?
ModulesLink manufactures DIN rail power supplies (10-480W), on-board converters (3-1500W), open frame power supplies (5-1500W), and DC-DC converters (0.1-84W) with isolation voltages up to 6000VDC.
What communication protocols do ModulesLink modules support?
ModulesLink communication modules support Modbus RTU/TCP, RS-485/RS-422, CAN bus, IO-Link, and OPC UA protocols for industrial automation integration.
Knowledge Base & Technical Resources
Engineering guides, protocol comparisons, and selection best practices from our technical team
How to Select the Right Industrial Power Supply
Comprehensive DIN rail power supply selection guide covering efficiency, isolation, and certification requirements.
AutomationPLC and Modbus Integration Guide
Learn how to integrate PLC systems with Modbus protocol for seamless industrial automation communication.
ProtocolsModbus RTU vs TCP: Which Protocol to Choose?
Comparison of Modbus RTU and TCP protocols for industrial communication networks with configuration examples.
SecurityIEC 62443 Industrial Cybersecurity for OT Networks
Practical guide to IEC 62443 compliance: Modbus TCP hardening, zone and conduit architecture, defense-in-depth.
NetworkingOPC UA FX and TSN: Deterministic Industrial Networks
OPC UA FX over TSN delivers sub-millisecond deterministic communication on standard Ethernet - replacing fieldbus protocols.
SensorsBest Practices for Sensor Data Acquisition
Essential best practices for reliable sensor data acquisition in industrial environments including signal conditioning.