ISO 9001:2015 Certified  |  38+ years of power engineering for critical infrastructure
ISO 9001:2015 Certified OEM/ODM Exporter

China Top DIN Rail Manufacturer & Exporter

Mission-Critical Power Distribution, Control Switchgear & Substation Automation

Engineering high-reliability TH35 DIN rail assemblies, step-down transformers, automatic transfer switches (ATS), and IP67 industrial distribution boxes for critical infrastructure worldwide.

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38+
Years of Engineering
5000+
Global Projects Deployed
IP67/IK10
Certified Rugged Rating
100%
Factory FAT Tested
Product Portfolio

Flagship Industrial Power Distribution Equipment

Designed to rigorous IEC, CE, and DIN standard dimensions (EN 60715). Built for seamless integration into power utilities, industrial automation, telecommunications, and heavy process manufacturing.

Shangyi Aluminum Alloy Power Distribution 16A IP67
Custom OEM/ODM CE Certified Shangyi Safety Aluminum Alloy Power Distribution
16A IP67 Rated 110V-10kV 50/60Hz Duty
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10kV 400V Step Down Distribution Transformer
10kV to 400V Step Down Distribution Transformer 100kVA Three Phase
Oil Immersed Copper Winding IEC CE 50Hz
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Electrical 3 Phase Power Distribution Box
Industrial Electrical 3 Phase Heavy-Duty Power Distribution Enclosure
3-Phase Busbar Modular DIN Rail Heavy Duty
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Automatic Transfer Switch ATS Control Box
Automatic Transfer Switch (ATS) Control Electric Cabinet Box 220V 380V
IP54 Protection Dual Power Input SCADA Control
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Maintenance Electrical Distribution Box
Maintenance Electrical Distribution Box Complete with Internal Accessories
Full Wiring Kit 3-Phase Rail Industry-Compliant
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IP65 Plastic Modular Circuit Breaker Distribution Box
Wholesale IP65 Plastic Circuit Breaker Box (4-Way to 52-Way Modular)
Modular TH35 UV-Stabilized IP65 Waterproof
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Single Phase Ceeform Outdoor ABS Electrical Box
Single Phase Ceeform Socket Power Distribution Box 32A/16A IP67 ABS
Outdoor ABS Key-Lock Door 4 Cee Sockets
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Rack Mount Smart PDU Director Level Control
Rack Mount Smart PDU Vertical/Horizontal RS485 Switched Controller
RS485 Modbus Director Control Metered Switched
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Manufacturing Excellence

Why Global Engineering Procurement Teams Partner with Us

As China’s premier DIN rail equipment manufacturer and global exporter, our engineering facilities bridge the gap between high-volume precision manufacturing and stringent international electrotechnical standards (IEC 60947, EN 60715, CE, UL).

With over 38 years of collective industrial power design background, our manufacturing plant incorporates end-to-end quality supervision—from raw cold-rolled steel and aluminum alloy die-casting to modern automated galvanizing and robotic assembly line testing.

ISO 9001:2015 Quality

100% full-load thermal trace testing & dielectric insulation validation.

SCADA Integration

Native Modbus RTU, RS485, DNP3 & dry-contact alarm mapping.

Technical OEM/ODM Capability Summary

  • DIN Rail Metallurgy: High-tensile steel (zinc-chromate plated) & anodized aluminum alloy (TH35-7.5 / TH35-15).
  • Protection Enclosures: IP54, IP65, IP67 waterproof rated ABS, polycarbonate, & stainless steel cabinets.
  • Voltage Tolerances: Low Voltage 110V–400V AC up to Medium Voltage 10kV rural grid transformation.
  • Customization: Pre-cut DIN lengths, custom slotting, integrated terminal blocks, switchgear pre-wiring.
Technical Sizing Guide

DIN Rail & Power Distribution Architectural Selection Matrix

System engineers use this standardized sizing matrix to evaluate mechanical load capacities, thermal dissipation, and environmental IP ratings prior to issuing tenders.

Architecture / Standard Material / Profile Typical Applications Mechanical & Thermal Limits SCADA / Comms Integration
TH35-7.5 Standard Rail
IEC 60947-7-2 / EN 60715
Zinc-Plated Steel / Anodized Aluminum Miniature Circuit Breakers (MCB), Relays, Terminal Blocks 7.5mm depth; Max bending moment 15Nm; Temp -40°C to +85°C Passive rail (Grounding contact integrated)
TH35-15 Deep Hat Rail
Heavy Duty DIN Spec
Cold-Rolled Steel (1.5mm thick) Heavy contactors, industrial DIN-rail power supplies, PLCs 15mm depth; Structural rigidity for heavy modules (>5kg/m) Earth continuity terminal blocks supported
IP67 Aluminum Socket Box
Shangyi Custom Series
Die-Cast Corrosion-Resistant Aluminum Alloy Outdoor industrial plants, mining, marine, harsh ambient sites IP67 Ingress protection; IK10 Impact resistance; 110V-10kV range Integrated terminal busbar & auxiliary contacts
IP65 Plastic Breaker Enclosure
Modular 4-Way to 52-Way
UV-Stabilized ABS & Flame-Retardant Polycarbonate Substation auxiliary panels, residential/commercial DBs V0 Fire-retardant rating; High UV endurance; IP65 sealing Translucent door for visual breaker status checks
Smart Metered Rack PDU
Director Level Control
1U/2U Aluminum Chassis / Vertical Busbar Data center racks, telecommunication master stations Up to 63A 3-phase input; Switched/monitored individual outlets RS485 Modbus RTU, SNMP v3, Ethernet Web GUI
Future Procurement Outlook

Key Trends Shaping Industrial Power Distribution (2025–2030)

The convergence of microgrids, renewable energy integration, and smart grid automation is transforming classic DIN rail distribution systems into intelligent telemetry hubs.

1. Intelligent Smart Breakers & Sensor Integration

Modern DIN rail distribution is shifting from purely passive circuit protection to IoT-enabled monitoring. Next-generation breakers incorporate miniature current transformers and temperature sensors directly onto the TH35 rail, transmitting telemetry via RS485 or wireless Modbus to edge gateways.

2. Rapid Transition to Automatic Transfer Switches (ATS)

With the rise of mission-critical facility backup requirements, dual-power automatic transfer switch cabinets (220V/380V) are becoming standard procurement items. Facilities demand sub-16ms switching time between utility grids and diesel generator/solar storage sources to prevent system resets.

3. Extreme Environment Alloy & Polymer Hardening

Procurement specifications for outdoor power distribution boxes now heavily emphasize IP67 ingress protection, IK10 mechanical impact ratings, and halogen-free, UV-resistant ABS/Polycarbonate compounds capable of enduring tropical solar irradiation and coastal salt-spray corrosion.

The Shift Toward Modular Green Transformers

In rural electrification and decentralized industrial power grids, 10kV to 400V oil-immersed step-down transformers are undergoing major technological revisions. High-grade copper winding combined with biodegradable insulating dielectric fluids significantly reduces no-load core losses while improving short-circuit withstand performance.

As a premier Chinese exporter, our manufacturing lines integrate computerized automatic winding machines and vacuum oil impregnation chambers, ensuring compliance with strict IEC efficiency standards.

Custom OEM/ODM Manufacturing Advantage

Industrial projects rarely accept off-the-shelf catalog limitations. From specialized knockout hole patterns on plastic breaker boxes to custom busbar current densities on 3-phase maintenance cabinets, custom engineering represents over 55% of our global export volume.

Knowledge Base

Frequently Asked Technical & Procurement Questions

Essential answers for electrical engineers, system integrators, and procurement directors specifying DIN rail equipment and power distribution boxes.

What are the key structural differences between steel TH35-7.5 and aluminum TH35-15 DIN rails? +

TH35-7.5 DIN rails (35mm wide, 7.5mm deep) are the industry standard for lightweight modular components such as terminal blocks, mini relays, and standard circuit breakers (MCBs). TH35-15 DIN rails feature a 15mm depth and thicker material cross-section (1.5mm steel or 2.0mm aluminum alloy), offering significantly higher mechanical rigidity.

TH35-15 is recommended when mounting heavy industrial power supplies, large switchgear contactors, or equipment weighing over 5 kg per meter to prevent structural rail deflection over long operating lifespans.

How does ambient operating temperature affect the thermal derating of IP67 plastic vs. aluminum distribution boxes? +

Enclosure material drastically affects internal heat dissipation. Sealed plastic (ABS/Polycarbonate) IP65/IP67 distribution boxes have low thermal conductivity (approx. 0.2 W/m·K), trapping heat generated by internal breakers and transformers. In ambients above 40°C, continuous current capacities must be derated by 10% to 20% to prevent thermal tripping.

Conversely, Shangyi Die-Cast Aluminum Alloy distribution boxes act as external heat sinks with high thermal conductivity (approx. 160–200 W/m·K), dissipating internal heat efficiently and allowing components to run closer to their full nameplate rated capacity.

Can your 3-phase Automatic Transfer Switch (ATS) control cabinets integrate with existing SCADA networks? +

Yes. Our ATS control switchgear cabinets are equipped with intelligent micro-processor controllers supporting RS485 serial communication using standard Modbus RTU or DNP3 outstation protocols.

System operators can remotely monitor phase voltages, frequency, switch position status, mains fail alarms, and force emergency generator start/stop sequences via their central supervisory control room.

What documentation and factory acceptance testing (FAT) are provided for custom OEM orders? +

Every customized order undergoes complete ISO 9001 quality assurance protocol. We deliver comprehensive factory test reports including Dielectric Voltage Withstand Testing (Hi-Pot), Insulation Resistance Measurement (Megger), IP Sealing Verification, and High-Current Thermal Rise Trace Records.

As-built CAD drawing packages, 3D STEP models, CE declaration of conformity certificates, and material compliance sheets (RoHS/REACH) are included with final shipment documentation.

How do you guarantee long-term corrosion resistance for outdoor power distribution boxes in coastal environments? +

For extreme marine and coastal ambient exposure, our aluminum alloy enclosures undergo chromate conversion pre-treatment followed by electrostatically applied UV-resistant outdoor epoxy-polyester powder coating (80–120μm thickness).

Hardware components, hinge pins, and latch mechanisms are manufactured from Grade 316 stainless steel to ensure zero rust formation over 15 to 25 year service cycles.

Partner With China's Leading Exporter

Ready to Engineer Your Custom DIN Rail & Power Distribution Systems?

Whether you require standard IP65 modular breaker boxes, 100kVA step-down transformers, or custom IP67 aluminum distribution cabinets, our senior power application engineers are ready to assist with single-line diagrams (SLD) and tender pricing.

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