| Product Name | CZLB-80/440/3P Surge protective device |
Nominal operating voltage Un |
220VDC |
Maximun continuous operating voltage Uc |
440VDC |
| Nominal Discharge Current In(8/20us) |
40kA |
Nominal Discharge Current Imax(8/20us) |
80kA |
| Producted Objects/Systems |
Three-Phase Three-Wire(IT);Three-Phase Four-Wire(TN-C) |
| Features | 80kA;Three-Phase Three-Wire（IT）;Three-Phase Four-Wire（TN-C） |
| Protected Objects/Systems | Three-Phase Three-Wire（IT）;Three-Phase Four-Wire（TN-C） |
| Depth | 71.0mm |
| Height | 90.0mm |
| Width | 54.0mm |
| Material | PA66 |
| Protection Level | IP20 |
| Flame Retardant Grade | V0 |
| Colors | White Gray |
| Nominal operating voltage Un | 220VAC |
| Maximun continuous operating voltage Uc | 440VAC |
| Response Time | 25ns |
| Number of Wires | Three-Phase Three-Wire（IT）;Three-Phase Four-Wire（TN-C） |
| Leakage Current | ＜20uA |
| Nominal Discharge Current In（8/20us) | 40kA |
| Maximum Discharge Current Imax（8/20us） | 80kA |
| Voltage Protection Level Up（8/20us) | 2.8kV |
| Certification | Lightning Protection Certification |
| Explosion-Proof Certification | N/A |
| Lightning Protection Certification | Shanghai Lightning Protection Products Test Center |
| Names | GB 18802.1 / IEC 61643-1 |
| Ambient Temperature (Operation) | ﹣40—70℃ |
| Ambient Temperature (Storage) | ﹣40—85℃ |
| Permissible Humidity (Operation) | 10%—90% |
| Applicable Location | Branch Distribution Box |
| Maximum Altitude | 2000m |
| Conductor Cross Section Solid | 4—35mm2 |
| Conductor Cross Section Flexible | 4—35mm2 |
| Stripping Length | 12mm |
| Connection Method | Terminal Connection |
| Maximum Tightening Torque | 5Nm |
| Mounting Position | Distribution Box |
| Mounting Method | 35mm Lead Rail |
| Interface | Screws |
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