One-Stop Solution

The Easiest Way to Source Power Distribution Connection Components
Unify Your Power Distribution with Our Full-Line Terminal Blocks & Connectors
Our one-stop solution covers the full spectrum of components required for a complete power distribution system. From terminal blocks and distribution blocks to cable connectors and junction boxes, every key interface in main and branch circuits can be sourced from a single trusted supplier.
This integrated product matrix reduces coordination efforts, shortens lead times, and ensures seamless compatibility across your entire project.
Modular Terminal and Connector Systems Are Engineered for Every Application
Equip your project with purpose-built components for main lines, branch circuits, metering interfaces, outdoor connections, and renewable energy installations—each system designed to improve installation speed, safety, and reliability.
Main Circuit Connection System
- High-Current Terminal Blocks >
- Main Line Branch Line Cable Connectors >
- Circuit Breaker Terminals >
- Neutral Bus Bars >


Outdoor & Cable Piercing Connection System
- Insulated Piercing Connectors >
Branch & Circuit Distribution System
- Distribution Blocks >
- Multi-Purpose Terminals >
- T-Connection Terminals >


Renewable Energy Wiring System
- New Energy Blocks >
- PV Connection Components >
Metering & Signal Connection System
- Terminal Blocks >
- Meter Connectors >
- Wire Connectors >

Connect with Confidence Using
Customized Haiyan Products
Every terminal block and connector can be customized for voltage, current, mounting, and labeling, enabling seamless system integration and minimizing on-site adjustments.
| Conductor & Insulation Materials | Choose from pure copper, tin-plated copper, aluminum, and polycarbonate (PC), etc. |
|---|---|
| Connection Methods | Screw-clamp, spring-clamp, push-in or insulation-piercing (IDC) connections are available. |
| Current & Voltage Ratings | Small signal (≤32A), medium (32-125A), high-current (>125A). |
| Mounting Options | DIN rail mounting or panel mounting for flexible integration. |
| Color & Labeling | Color-coded blocks or custom markings for easy wiring identification. |
| Dimensions & Layout | Customizable dimensions, spacing, and arrangement to suit your cabinet or system. |
| Sealing & Environmental Protection | Optional protective features for outdoor or demanding environments. |
Engineering Expertise at Your Service
We provide project-oriented customers with complete technical support—from selecting the right components to offering installation guidance and verified certification support.
Product Selection Recommendations
BOM Matching for Project Requirements
Installation & Wiring Guidance
Test Reports & Third-Party Certifications

Ready to Start Your Project with HAIYAN?
From inquiry to shipment, we ensure your electrical connection system is fully supported with expert guidance.
