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
Modern electrical systems need terminal blocks for secure conductor fixation, reliable potential transmission, and flexible integration. Haiyan offers copper and aluminum conductors, DIN-rail or panel mounting, and low-, medium-, and high-current options for every project.
- Long-Term Reliability: Designed for low-voltage panels, control cabinets, and industrial automation, our blocks resist thermal cycling, vibration, and harsh environments for decades of stable operation.
- Safe Electrical Performance: Rated for ≤32A, 32–125A, and >125A circuits, each block ensures accurate signal transmission, proper isolation, and compliance with safety standards.
- Flexible Integration: DIN-rail or panel-mounted designs allow modular layouts, easy installation, and fast maintenance, minimizing on-site wiring errors and downtime.
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.
Signal Distribution, Instrumentation, Relay Protection
Small Current (≤ 32A)
DIN Rail Mounted (Standard) and Multi-purpose Terminals. Focus on compact and secure wiring for control systems.
General Industrial Equipment, Metering Box Industry, Distribution Panels
Medium Current (32A–125A)
Panel Mounted and specialized Distribution Blocks. Focus on durable, secure power distribution.
Main Power Feeds, Power-station Systems, Busbar Connections
High Current (>125A)
High-Current Terminal and Power-station High-current Terminals. Engineered for thermal stability and high mechanical strength.
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.