Smart Lightning Protection
FSS Smart SPD
Built-in 8 sensor groups · Multi-dimensional monitoring
DC 12V
RS485
IP65
View Smart Surge Protectors
Key Facts
Core Highlights
DEFINITION
FEXLINK is an industrial IoT technology brand focused on smart lightning protection, electrical safety monitoring and digital energy edge intelligence. Through smart terminals, edge computing, AI algorithms and a cloud platform, it converts electrical signals from field devices into actionable data for early warning, remote monitoring and predictive maintenance.
POSITIONING
FEXLINK Technology (Shenzhen) Co., Ltd., a National High-Tech Enterprise, positioned as "a company that produces data", following the value chain of electrical signal → data → intelligence → value. Brand promise: "Where there is electricity, there is FEXLINK."
Core Capabilities
Built on the SLCIE capability model (Sense, Link, Compute, Intelligence, Evolution), featuring a full-stack self-developed terminal-edge-cloud architecture.
500+ Parameters
150+ AI Sub-Models
408 National Rules
Product Portfolio
- Smart Lightning Protection: Smart SPD, Lightning Current & Grounding Resistance Monitoring
- Electrical Safety: Monitoring Terminals, Fire Detection, Leakage & Temperature Sensing
- Digital Energy: Edge Computing Gateways, Industrial Wristbands
- Cloud-Edge Control: Multi-Factor Controllers, FEXLINK Cloud Platform
Use Cases
Distribution Rooms
Base Stations
PV Plants
Wind Farms
Petrochemicals
Industrial Parks
Data Centers
Ports
Railways
Expressways
Hospitals
Commercial Complexes
Deployments
Deployed in 200+ critical infrastructure projects, including State Grid, China Southern Power Grid, multiple expressways/railways, offshore/onshore wind power, Winter Olympics, multiple ports/terminals, multiple airports, hydropower stations, EV charging stations, energy storage stations, data centers, and communication base stations.
State Grid
CSG
Olympics
Wind/Solar
Ports/Airports
Product Portfolio
Product Portfolio
Electrical Safety
Electrical Safety Monitoring Terminal
Leakage · Temperature · Arc monitoring
8×RS485
4G
WiFi
Explore Electrical Safety Monitoring Devices
Digital Energy
Intelligent Controller
Metering · Power quality · Intelligent control
8GB RAM
Linux
Explore Digital Energy Controllers
Cloud-Edge Intelligent Control
FEXLINK Cloud
Safety + Cloud platform · Remote control
Real-Time monitoring
AI analysis
Explore Cloud-Edge Intelligent Control
SLCIE Capability Model
Sense · Link · Compute · Intelligence · Evolution
From sensing to evolution, five capability layers build a complete IoT intelligent control loop. Electrical signals become data, data elevates to intelligence, and intelligence creates value.
S
Sense
500+ electrical parameter precision sensing, 1μS high-frequency transient capture, 10μA-level leakage detection. From voltage and current to harmonics and temperature, full-dimension electrical signal acquisition.
L
Link
RS485/Modbus dual protocol, 4G+WiFi dual link, edge gateway aggregation. Cloud-pipe-edge-end-use architecture, opening up the full data transmission chain.
C
Compute
Edge computing host local processing, 256 points/cycle high-frequency sampling. Data cleaning, feature extraction, and harmonic fingerprint analysis complete Real-Time computing at the edge.
I
Intelligence
Qianzhi/Wanxiang/Tianyan AI engines, 150+ sub-models, 408 national standard rules. From passive alarms to proactive early warning, identifying arc faults, insulation aging, and other early-stage hazards.
E
Evolution
Continuous data accumulation, iterative model optimization. From single-point monitoring to system-level predictive maintenance, continuous learning and evolution make every kilowatt safer and more efficient.
Electrical Signals
→
Data
→
Intelligence
→
Value
|
A Company That Produces Data
Featured Products
Featured Products
Six featured star products covering smart lightning protection, electrical safety, and Digital Energy scenarios, helping enterprises build safe and efficient energy management systems.
Cloud-Edge Intelligent Control
SFA Multi-Element Intelligent Electrical Controller
Multi-element fusion · Intelligent control · 0.2S class accuracy
Electrical Safety
ESB Three-Phase Imbalance Monitor
Zero/negative sequence decomposition · 130+ parameters · Smart alarms
Digital Energy
ZSA Embedded Multi-Function Meter
Full power monitoring · 0.2 class accuracy · Harmonic analysis
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Smart Lightning Protection
T2-ZL(S)2 SPD
Graphite gap technology · 50kA direct lightning protection
Smart Lightning Protection
FSS Smart SPD
Flagship full-element SPD · 8 sensor groups
Smart Lightning Protection
T2 Voltage-Dependent SPD
High discharge current · Low residual voltage · Rapid response
Solutions
Solutions
Smart Lightning Protection & Electrical Safety Monitoring
Based on T1/T2 lightning protection, three defense lines of lightning current, SPD, and grounding resistance intelligent monitoring, 24/7 online early warning.
View SolutionsDistribution Room Smart Lightning Protection Monitoring
Integrated monitoring of lightning protection and electrical safety in distribution rooms, Real-Time leakage/temperature/arc lightning protection, ensuring power distribution safety.
View SolutionsOil Tank Grounding Resistance Monitoring
Based on FR-Exd explosion-proof grounding resistance monitoring module, achieving 24/7 high-precision online monitoring and early warning of grounding systems in oil tank farms.
View SolutionsPlatform Software System
FEXLINK Cloud 3.0 · Platform Software
A full-stack, self-developed intelligent control platform built on the SLCIE capability model, following the "electrical signal → data → intelligence → value" transformation path. Integrating three core middle-ends — Data, AI Algorithm, and Operations — to deliver precise sensing, intelligent diagnosis, and predictive maintenance for electrical safety and digital energy scenarios.
Data Middle-End
Stream-batch unified real-time data architecture, stably connecting 260+ electrical parameters, supporting million-level data points per second concurrent writes and sub-second queries, unified storage of time-series, waveform, event, and alarm data.
1μS Transient Waveform
10μA Leakage Monitoring
Million-Level Concurrency
AI Algorithm Middle-End
60+ algorithm models with online invocation and drag-and-drop visual orchestration, no-code deployment; supports multi-dimensional fault diagnosis, electrical fire warning, and energy anomaly detection — evolving from passive alarms to proactive warnings.
99.2% Warning Accuracy
<3s Response
Online Fine-Tuning
Operations Middle-End
Multi-tenant isolation with hierarchical permission management, one instance operating multiple bases/subsidiaries/parks; asset ledger, maintenance work orders, alarm dispatch, SLA management, report export — building a complete sensing-diagnosis-decision-execution closed loop.
Multi-Tenant Isolation
ISO 27001
TLS 1.3 Encryption
TaiYi AI Engine System
Three-Engine Architecture
QianZhi · Diagnosis Engine
22 diagnostic models + 408 national-standard red-line rules, six-dimensional deep analysis per parameter
WanXiang · Correlation Engine
Cross-parameter scenario correlation analysis, multi-dimensional hazard chain identification
TianYan · Orchestration Engine
Multi-model chain orchestration, drag-and-drop workflow no-code deployment
Application Cases
Application Cases
FEXLINK products have been deployed in 200+ critical infrastructure projects, including State Grid, China Southern Power Grid, multiple expressways/railways, offshore/onshore wind power, Winter Olympics, multiple ports/terminals, multiple airports, hydropower stations, EV charging stations, energy storage stations, data centers, and communication base stations.
Shenzhen-Zhongshan Link
Shenzhen-Zhongshan Link Electrical Safety Monitoring
Transportation Hub · Electrical Safety
Yangjiang Wind Power
Yangjiang Offshore Wind Power Project
New Energy · Lightning Protection Monitoring
State Grid
State Grid / China Southern Power Grid
Power System · Smart Monitoring
Winter Olympics
Beijing Winter Olympics Zhangjiakou Venue
Sports Venue · Lightning Protection Safety
Yantian Port
Yantian Port
Port · Electrical Safety
Oil Tank Farm
Petrochemical Oil Tank Farm
Petrochemical · Grounding Monitoring
Yangmao Expressway
Guangdong Yangmao Expressway
Transportation · Electrical Safety
Railway Freight
Hankou Railway Freight Center
Railway · Electrical Safety
Plus dozens of additional projects including Bayannur Railway in Inner Mongolia, weather observation stations, airport air traffic control stations, and military server rooms
News
Latest News
IDEE 2026
Company News
2026-07-21
FEXLINK's Shenwan Automation to Appear at 2026 International Digital Energy Expo for Third Consecutive Year
Under the theme "AI-Empowered Electrical Safety, Digital Intelligence Drives Energy Transition," featuring five core solutions: electrical hazard early warning large model, digital distribution cabinets, smart lightning protection, electrical retrofit for old residential areas, and energy metering & carbon management at Booth 1A06, Hall 1.
ISO 27001
Company News
2026-07-05
FEXLINK Achieves ISO 27001 Information Security Management Certification
Officially passed ISO/IEC 27001 Information Security Management System certification, marking the company's compliance with international standards in Data Security and privacy protection, providing end-to-end security assurance for customer cloud and edge data.
G200 V2.0
Product Release
2026-06-28
Electrical Safety Monitoring Terminal V2.0 Firmware Released
V2.0 firmware officially released, adding 8-Channel RS485 concurrent acquisition, edge AI inference acceleration, and 4G dual-link redundancy, with overall throughput performance improved by 40%, adapting to more complex plant lightning protection scenarios.
Tech Insights
Tech Insights
Tech Article
2026-07-31
FEXLINK Knowledge: Why do photovoltaic power stations need digital lightning protection monitoring?
Digital lightning protection monitoring of photovoltaic power stations is not a matter of installing equipment, connecting a few wires, and uploading data to the platform. It is related to whether the on-site status can be continuously seen, whether anomalies can be identified in time, whether the reasons can be explained clearly afterwards, and whether the operation
Tech Article
2026-07-31
FEXLINK Knowledge: The lightning protection downconductor of the wind turbine blade is broken. Why do we need to locate it online?
Locating the broken downline of lightning protection down-conductors of wind turbine blades is not a matter of installing the equipment, connecting a few wires, and uploading the data to the platform. It is related to whether the on-site status can be continuously seen, whether abnormalities can be identified in time, and whether the reasons can be explained clearly afterwards.
Tech Article
2026-07-31
FEXLINK Knowledge: Why do communication base stations need remote lightning protection status monitoring?
Remote lightning protection status monitoring of communication base stations is not a matter of installing equipment, connecting a few wires, and uploading data to the platform. It is related to whether the on-site status can be continuously seen, whether abnormalities can be identified in time, and whether the reasons can be explained clearly afterwards.
Tech Article
2026-07-31
FEXLINK Knowledge: How can data centers incorporate lightning protection into infrastructure monitoring?
Incorporating data center lightning protection into infrastructure monitoring is not a matter of installing equipment, connecting a few wires, and uploading data to the platform. It is related to whether the on-site status can be continuously seen, whether abnormalities can be identified in time, and whether the reasons can be explained afterwards.
Tech Article
2026-07-31
FEXLINK Knowledge: How does the digital lightning protection platform implement alarm classification and work order closure?
The alarm classification and work order closed loop of the digital lightning protection platform is not a matter of installing equipment, connecting a few wires, and uploading data to the platform. It is related to whether the on-site status can be continuously seen, whether anomalies can be identified in time, and whether the causes can be identified afterwards.
Tech Article
2026-07-31
FEXLINK Knowledge: From intelligent lightning protection to early warning of electrical safety, what’s the next step?
From intelligent lightning protection to early warning of electrical safety is not a matter of installing equipment, connecting a few wires, and uploading data to the platform. It is related to whether the on-site status can be continuously seen, whether abnormalities can be identified in time, and whether the reasons can be explained afterwards.
Frequently Asked Questions
FAQ
What is FEXLINK?
FEXLINK is an industrial IoT technology brand focused on smart lightning protection, electrical safety monitoring and digital energy edge intelligence. Through smart terminals, edge computing, AI algorithms and a cloud platform, it converts electrical signals from field devices into analyzable, actionable and early-warning data assets. The company is legally named FEXLINK Technology (Shenzhen) Co., Ltd., positioned as "a company that produces data".
What are FEXLINK's core capabilities?
FEXLINK is built on the SLCIE capability model (Sense, Link, Compute, Intelligence, Evolution). It features 500+ electrical parameter sensing, a 150+-sub-model AI engine, 408 national-standard rule engine, and a full-stack self-developed terminal-edge-cloud architecture, transforming the chain of "electrical signal -> data -> intelligence -> value" end to end.
Which application scenarios do FEXLINK products cover?
FEXLINK products cover four domains: Smart Lightning Protection (smart SPDs, lightning current monitoring, grounding resistance monitoring), Electrical Safety (electrical safety monitoring terminals, electrical fire detection, leakage and temperature monitoring), Digital Energy (edge computing gateways, industrial wristbands) and Cloud-Edge Control (multi-factor controllers, FEXLINK Cloud platform). They have been deployed in national grids, offshore wind farms, expressways, petrochemical tank farms, ports, railways and other critical infrastructure.
How does FEXLINK's AI enable electrical safety monitoring?
FEXLINK runs three AI engines (Qianzhi, Wanxiang, Tianyan) with 150+ sub-models and 408 national-standard rules on the edge side, performing multi-dimensional fault diagnosis, arc fault detection, insulation aging analysis and SPD degradation prediction. It evolves protection from passive alarms to active early warning, providing data-driven decision support for field operations and enabling predictive maintenance of electrical assets.
How can I contact FEXLINK or request a demo?
You can submit a demo request via the contact page on the official website, or call the sales hotline at +86-755-8653-6148. Address: Room 1908, Changfu Jinmao Tower, Futian Shenzhen-Hong Kong Cooperation Zone, Shenzhen. FEXLINK provides end-to-end consulting, product selection and POC validation for smart lightning protection, electrical safety monitoring and digital energy IoT scenarios.
Making Every Kilowatt Safe and Efficient
From smart lightning protection to cloud platform, FEXLINK provides end-to-end Digital Energy IoT solutions
FEXLINK Business Scope
FEXLINK specializes in smart lightning protection and electrical safety, offering a product portfolio covering lightning protection, lightning online monitoring, lightning protection online monitoring, lightning arrester, intelligent lightning arrester, lightning arrester monitoring, grounding resistance, grounding monitoring for smart lightning protection scenarios, while addressing digital distribution, smart distribution, electricity meter, carbon neutral, industrial internet, carbon asset for digital business, helping enterprises achieve safe, efficient and low-carbon energy management.