



Product introduction
LK-SPD20K385C/3+1NPE、1+1NPE
LK-SPD40K385B/3+1NPE、1+1NPE
LK-SPD60K385B/3+1NPE、1+1NPE
LK-SPD80K385B/3+1NPE、1+1NPE ( apply to zero ground combination)
◆High energy surge protection
◆Built-in moment overcurrent breaking arrangement
◆Pluggable change lightning protection
◆Failure detection indicator
◆Single module discharge current 20-40Ka
◆Standard modularization installation
◆ Built-in overheating breaking arrangement
◆ns level reaction speed
◆Pluggable fool-proofing design
Product application range 
20-80KA 3+1NPE、1+1NPE
Application range:Suitable for 3+1/1+1 connection mode distribution box and important essential equipment
Product technology parameter
Model 80K3+1/1+1 60K3+1/1+1 40K3+1/1+1 20K3+1/1+1  | ||||
PSD port  | 1  | |||
SPD type  | switch  | |||
Power system  | TT-TN-IT  | |||
Rated voltage Un  | 220V  | |||
Maximum continuous running power Uc  | 385V  | |||
Response time  | 25ns  | |||
Nominal discharge current In(8/20μs)  | 40kA  | 30kA  | 20kA  | 10kA  | 
Maximum discharge current Imax(8/20μs)  | 80kA  | 60kA  | 40kA  | 20kA  | 
Protection level Up  | <2500V  | <2000V  | <1800V  | <1500V  | 
Recommend cascading overcurrent protection device  | 63A/35kA  | 63A/35kA  | 32A/10kA  | 16A/6KA  | 
Inner overheating circuit breaker  | ||||
Breaking arrangement  | Built-In  | |||
Inner circuit overcurrent breaking arrangement  | Built-In  | |||
Mechanical properties  | ||||
Failure  | Green : normal Red: lose efficacy  | |||
Connecting Wire  | 16-25mm2  | |||
Installation  | 35mm standard guide rail(EN50022/DIN46277-3)  | |||
Working Environment Temperature  | -40/85°C  | |||
Housing Material  | 符合UL94V-0  | |||
Housing protection level  | IP20  | |||
Product Model 
LK-SPD20K385C/3+1NPE、1+1NPE
LK-SPD40K385B/3+1NPE、1+1NPE
LK-SPD60K385B/3+1NPE、1+1NPE
LK-SPD80K385B/3+1NPE、1+1NPE
