Your Trusted Manufacturer of High-Quality Terminal Blocks
- 130+ Series & 2300+ Specs
- CE & CQC Compliant
- 1 Pcs MOQ for Stock Items
What Modern Electrical Systems Demand from Terminal Blocks
Haiyan terminal blocks are essential for reliable conductor connections and potential distribution in low-voltage electrical systems. They are widely applied in distribution panels, control cabinets, switchgear assemblies, and industrial automation equipment.
- Comprehensive DIN Rail System: Our terminal blocks are designed for DIN-rail mounting, forming a complete system that supports various wiring methods, current ratings, and application needs, offering great flexibility for diverse installations.
- Variety of Connection Types & Capacities: Haiyan offers screw-type, spring-type, and push-in-type terminal blocks. Our product range spans from standard control and signal blocks to high-current terminal blocks for main power circuits, with selected models using aluminum conductor structures for enhanced efficiency.
- ProDesign Series for Performance & Aesthetics: The ProDesign series combines exceptional electrical performance with an optimized structure and refined appearance, making it the ideal choice for projects that demand both functionality and visual appeal.

Diverse Terminal Blocks for Every Application
HAIYAN offers the comprehensive ranges in the market, ensuring you find the ideal terminal block engineered for precision and reliability, regardless of your application's power demands.

Automation & Control Panels: Ideal for rapid wiring in industrial control and signal distribution
Push-in-type Terminal Block
Tool-free installation and vibration-proof connections. Significantly reduces labor time while ensuring consistent contact pressure.

Power Distribution: Designed for primary power feeds, power stations, and busbar systems
High-current Terminal Block
Engineered for thermal stability and high mechanical strength. Safely manages loads 125A with minimized contact resistance.

Utility & Infrastructure: Specialized for metering boxes, relay protection, and high-end switchgear
ProDesign Series Terminal Block
Utilizes Patented PC structural design with high-impact resistance and prevents secondary circuit leakage, as recommended by power bureaus.
Our Technical Edge
Advanced UK Series
Robust and widely compatible, offering superior wire clamping performance.
Specialized T-Connection Terminals
Enabling secure branch connections without interrupting the main circuit.
PC Material Advantage
All key series use Polycarbonate for impact resistance, anti-aging, and enhanced fire safety.
HAIYAN is dedicated to meeting and exceeding these essential criteria. We build our Terminal Blocks to be your foundation for reliable power distribution.
The Technical Credentials Defining HAIYAN
Terminal Block Quality
Our commitment to quality is proven by our credentials, not just our claims. We are a technology-driven enterprise with certified processes and strong intellectual property.

01
Global Compliance
CE, CQC certified products; ISO 9001, 14001, 45001 management systems in place.
02
R&D Strength
Powered by a certified R&D center with 9 invention patents, 35 utility models, 9 designs, and 15 software copyrights.


03
In-House Testing
Our independent laboratory ensures material integrity using equipment like the Melt Flow Index (MFI) Tester and Halogen Moisture Tester.
