Type 1 SPD
Class I high-energy lightning protection tested with 10/350μs waveform for main distribution boards and direct Lightning Strike protection
The Type 1 SPD (Class I SPD) is designed for high-energy lightning protection, tested with the 10/350μs waveform. It is suitable for main distribution boards and provides protection against direct lightning strikes, serving as the first stage of a multi-stage lightning protection scheme.
Product Overview
ZL(S)1asT1 Class SPD,Used for Low-Voltage Power Distribution System Discharges Direct Lightning and Indirect Lightning Overvoltage.ProvidesVaristor,Dischargetubeetc.Multiplestructure,Max Impulse Current 25kA,Fastest Response≤50ns,Suitable forbuildingmainpower Distributionintoportetc.highexposure Scenarios Combined.
Uc Covers AC 255~760V and DC 500~2000V,suitable forMultiplepower Supplysystemstyle.withDry Contact Model Can Remote Failure Reporting,With Combine Local Window Port Color Change Indicator,Easy Inspection and Integration in Operations.
Core Capabilities
- T1 Top-Level Protection:Compliant with T1 Class Electrical Surge Protection Standard,Max Impulse Current Reaches 25kA,Discharges Direct Lightning and Indirect Lightning High Energy.
- Multiple Structure Optional: Provides Varistor,Discharge Tube,composite typeetc.MultipleCorestructure,Suitable for Different Electrical Grid Characteristics and Protection Preference.
- Ultra-Fast Response Protection:Response Time Fastest≤50ns,Nanosecond Class Action Discharges Surge,Effectively Clamps Overvoltage.
- Dry Contact Remote Alarm: With "S" Model Built-in Dry Contact, Can Access Monitoring System for Remote Failure Reporting.
Product Features
T1 Top-Level Protection
Compliant with T1 Class Electrical Surge Protection Standard,Max Impulse Current Reaches 25kA,Discharges Direct Lightning and Indirect Lightning High Energy, Suitable forbuildingmainpower Distributionintoportetc.highexposure Scenarios Combined.
Multiple Structure Optional
ProvidesVaristor,Dischargetubecomposite typeetc.MultipleCorestructure,Suitable for Different Electrical Grid Characteristics and Protection Preference,flexiblerespond tovariousApplications.
Wide Voltage Coverage
Uc Range Covers AC 255~760V and DC 500~2000V, compatible Multiple power Supply System voltage Class, meets national inner external different power Distribution system style needs.
Ultra-Fast Response Protection
Response Time Fastest≤50ns,Nanosecond Class Action Discharges Surge,Effectively Clamps Overvoltage,significantlyreducingDownstream devicesufferimpulsedamagerisk.
Dry Contact Remote Alarm
With "S" Model Built-in Dry Contact,Can Access Monitoring System for Remote Failure Reporting,Enablespower Distribution SystemintegratinginOperationsmanagement.
localstatusindicator
built-inwindowportcolor Change Indicator,InspectionpersonnelcanintuitiveViewSPDFailure status,withcombinedry contactfunctionEnableslocal+remotedualheavyOperationsmanagement.
Model Selection Guide
Model Naming Convention
| Model | structure | Pole Count | Uc | Iimp | Up | Response Time | dimension(long×wide×highmm) | localindicator | Dry Contact |
|---|---|---|---|---|---|---|---|---|---|
| ZL1-V-12/275-4P | Varistor | 4P | 275V | 12.5kA | 1.5kV | ≤50ns | 72×83×88 | √ | --- |
| ZLS1-V-12/275-2P | Varistor | 2P | 275V | 12.5kA | 2.5kV | ≤100ns | 36×83×88 | √ | √ |
| ZL1-F-15/275-4P | Discharge Tube | 4P | 275V | 15kA | 2.5kV | ≤100ns | 72×90×71 | √ | --- |
| ZL1-BC-25/320-3+NPE | Composite Type | 3+NPE | 320V | 25kA | 2.5kV | ≤100ns | 72×90×71 | √ | --- |
| ZL1-BC-25/385-3+NPE | Composite Type | 3+NPE | 385V | 25kA | 2.5kV | ≤100ns | 144×91×65 | √ | --- |
| ZL1-BC-15/275-1+NPE | Composite Type | 1+NPE | 275V | 15kA | 2.5kV | ≤100ns | 36×90×71 | √ | --- |
Technical Specifications
Basic Parameters
| Working Voltage | AC 220V |
| Mounting Method | Standard 35mm DIN Rail Mount |
| Operating Temperature | -40℃~70℃ |
| Working Humidity | 5%~95% |
| Housing Material | Thermalplastic flame-retardant materialPBT G20 V0 |
| Protection Class | IP20 |
Surge Protection Parameters
| Protection Class | T1 |
| Max Continuous Running Voltage Uc | 275V/320V/385V AC |
| Max Impulse Current Iimp | 12.5kA/15kA/25kA |
| Voltage Protection Level Up | 1.5kV/2.5kV |
| Response Time | ≤50ns / ≤100ns |
| 4P Dimensions | 72×83×88 / 72×90×71 / 144×91×65 mm |
| 2P Dimensions | 36×83×88 / 36×90×71 / 72×91×65 mm |
| 3+NPE Dimensions | 72×90×71 / 144×91×65 mm |
| 1+NPE Dimensions | 36×90×71 mm |
installation Instructions
Installation Dimensions Image
Interface Description
Power SupplyInterface Definition
| Number | Interface | Definition |
|---|---|---|
| 1 | L1,L2,L3 | three-phaselive wire |
| 2 | N | Neutral Wire |
| 3 | PE | ground wire |
Key Points
- Definition： The T1 Class I SPD is FEXLINK's Class I SPD designed for direct Lightning Strike or high-exposure locations, capable of withstanding high-current 10/350μs impulses.
- Core Capabilities： High lightning current handling capacity for main Power Incoming protection, withstands direct lightning energy, supports coordination with T2 SPDs.
- Scenarios： Suitable for substation incoming lines, main distribution in high-rise buildings, and outdoor critical facilities in high lightning-risk areas.
- Related Products： T2 Class II SPD, FSS Smart SPD, FG Smart Gateway.
Frequently Asked Questions
Product FAQ
What is T1 Class I SPD?
The T1 Class I SPD is FEXLINK's Class I SPD designed for direct Lightning Strike or high-exposure locations, capable of withstanding high-current 10/350μs impulses.
What scenarios does T1 Class I SPD apply to?
Suitable for substation incoming lines, main distribution in high-rise buildings, and outdoor critical facilities in high lightning-risk areas.
How does T1 Class I SPD differ from traditional solutions?
Whereas T2 SPDs mainly protect against induced lightning and switching overvoltages, T1 SPDs are designed for direct lightning energy with higher Imax and a 10/350μs waveform.
How is T1 Class I SPD installed and integrated?
Install on the main Power Incoming side per L/N/PE wiring codes, with a dedicated disconnector and backup protection upstream.
How can I purchase FEXLINK products or request a demo?
Submit requirements via the Contact page on the FEXLINK website, or call +86-755-8653-6148 to request a demo and selection consultation; engineers will propose a matched solution and quotation based on your scenario.
Related Products
T2 Varistor SPD
T2 Electrical Surge Protection, Varistor Type Structure, Suitable for Power Distribution System Second Class Protection.
FSS Smart SPD
Flagship Full-Element SPD, Built-in 8 sensors, Fuzzy Algorithm degradation analysis.
FSS PD Monitor
Real-Time Acquisition of SPDleakage·Temperature, Voltage, Lightning Strike Counts, Dry Contact and Grounding Status.
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.