
ETEK EKU5 Class I + II (T1+T2) DC three-module photovoltaic surge protective device (SPD) (with three -step DC switching device) features visual indication and optional remote contact signaling (floating changeover contact) for use in PV systems.
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SPD Type Reference List |
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No. of Poles |
Max. Continuous Operating DC Voltage |
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500VDC |
1000VDC |
1500VDC |
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3 Module |
EKU5-T1+T2-40PV-3M500 |
EKU5-T1+T2-40PV-3M1000 |
EKU5-T1+T2-40PV-3M1500 |
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With Remote Signaling |
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3 Module |
EKU5-T1+T2-40PV-3M500S |
EKU5-T1+T2-40PV-3M1000S |
EKU5-T1+T2-40PV-3M1500S |
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SPD classification according to IEC/EN61643-31 |
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T1+T2 |
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Max. continuous operating a.c.voltage |
Ucpv |
500VDC |
1000VDC |
1500VDC |
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Impulse Discharge Current (10/350 μs) |
Iimp |
6.25kA |
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Total Discharge Current (10/350 μs) |
ITotal |
12.5kA |
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Nominal discharge current (8/20μs) |
In |
20kA |
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Maximum discharge current (8/20µs) |
Imax |
40kA |
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Voltage protection level DC+/DV-to PE |
Up |
2000V |
4000V |
5200V |
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Response time |
tA |
≤25ns |
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Operating temperature range |
Tu |
-40℃~80℃ |
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Operating State/Fault Indication |
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Green/Red |
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Cross-section area (Min.) |
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4mm² |
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Cross-section area (Max.) |
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35mm² |
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For mounting on |
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35mm Din rail |
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Enclosed material |
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Thermal Plastic UL94-V0 |
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Degree of Protection |
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IP20 |
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No. of Modules |
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3P(3Mods) |
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