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 Surge Protective Device) 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 forlow-voltagepower Distribution SystemDischarges Direct Lightning and Indirect Lightning Overvoltage.ProvidesVaristor,Dischargetubeetc.Multiplestructure,Max Impulse Current25kA,fastest response≤50ns,Suitable forbuildingmainpower Distributionintoportetc.highexposure scenarioscombine.
UcCoversAC 255~760VandDC 500~2000V,suitable forMultiplepower Supplysystemstyle.withDry Contact ModelcanremoteFailure Reporting,withcombinelocalwindowportcolor changeindicator,easyInspectionandintegratinginOperations.
Core Capabilities
- T1 Top-Level Protection:CompliantT1Classelectricalsurge protectionStandard,Max Impulse Currentreaches25kA,Discharges Direct LightningandIndirect Lightninghigh energy.
- Multiplestructureoptional:ProvidesVaristor,Dischargetube,composite typeetc.MultipleCorestructure,suitable fordifferentelectricalgridCharacteristicsandProtectionpreference.
- ultra-fast responseprotection:Response Timefastest≤50ns,nanosecondClassactiondischargessurge,EffectivelyClampOvervoltage.
- dry contactremoteAlarm:with"S"Modelbuilt-indry contactDry Contact,canAccess Monitoring SystemremoteFailure Reporting.
Product Features
T1 Top-Level Protection
CompliantT1 Classelectricalsurge protectionStandard,Max Impulse Currentreaches25kA,Discharges Direct LightningandIndirect Lightninghigh energy,Suitable forbuildingmainpower Distributionintoportetc.highexposure scenarioscombine.
Multiplestructureoptional
ProvidesVaristor,Dischargetubecomposite typeetc.MultipleCorestructure,suitable fordifferentelectricalgridCharacteristicsandProtectionpreference,flexiblerespond tovariousApplications.
widevoltageCovers
UcRangeCoversAC 255~760VandDC 500~2000V,compatibleMultiplepower SupplySystemvoltageClass,meetsnationalinnerexternaldifferentpower Distributionsystemstyleneeds.
ultra-fast responseprotection
Response Timefastest≤50ns,nanosecondClassactiondischargessurge,EffectivelyClampOvervoltage,significantlyreducingDownstream devicesufferimpulsedamagerisk.
dry contactremoteAlarm
with"S"Modelbuilt-indry contactDry Contact,canAccess Monitoring SystemremoteFailure Reporting,Enablespower Distribution SystemintegratinginOperationsmanagement.
localstatusindicator
built-inwindowportcolor changeindicator,InspectionpersonnelcanintuitiveViewSPDFailure status,withcombinedry contactfunctionEnableslocal+remotedualheavyOperationsmanagement.
Model Selection Guide
Model Naming Convention
| Model | structure | stage 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 | Dischargetube | 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
basecopiesParameters
| WorkingVoltage | AC 220V |
| Mounting Method | Standard 35mm DIN Railmount |
| Operating Temperature | -40℃~70℃ |
| WorkingHumidity | 5%~95% |
| Housing Material | Thermalplastic flame-retardant materialPBT G20 V0 |
| Protection Class | IP20 |
Surge Protection Parameters
| protectionClass | T1 |
| Max ContinuousRunningvoltageUc | 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
InstallationDimensionsImage
Interface Description
Power SupplyInterface Definition
| Number | Interface | Definition |
|---|---|---|
| 1 | L1,L2,L3 | three-phaselive wire |
| 2 | N | neutral wire |
| 3 | PE | ground wire |
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