Standard: IEC/EN 61643-11
Surge Rating: Iimp=7kA (10/350 µs), In=25kA (8/20 µs)
IEC/EN Category: Class I+II / Type 1+2
Max. continuous operating voltage: 150, 275, 320, 385, 440V
Housing: Pluggable Design
EKU5-T1+T2-7 is a premium surge protective device (SPD) designed to provide comprehensive protection against both direct and indirect lightning strikes. This versatile Type 1+2 combined protector complies with IEC/EN61643-11 standards, making it suitable for installation at the main distribution board to protect sensitive electrical equipment in commercial, industrial, and residential applications.
Applications:
• Industrial power distribution systems
• Commercial building electrical networks
• Telecom infrastructure protection
• Renewable energy installations
Certified for TN-S, TN-C, and TT network systems, this SPD offers voltage protection levels from 1.0kV to 2.0kV depending on configuration. The compact design allows easy integration into existing electrical panels.
|
No.of poles |
1P |
2P |
3P |
4P |
1P+NPE |
3P+NPE |
|
Network systems |
TN-S, TN-C, TT(only L-N) |
TN-S |
TN-C |
TN-S |
TT, TN-S |
|
|
Mode of protection |
L-PE, N-PE(only TN-S), L-PEN, L-N |
L-PE, N-PE |
L-PEN |
L-PE, N-PE |
L-N, N-PE |
|
|
Protective elements |
High Energy MOV |
High Energy MOV and GDT |
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|
Maximum continuous operating voltage (L-N) |
Uc |
150V |
275V |
320V |
385V |
440V |
|
Maximum continuous operating voltage (N-PE) |
Uc |
255V |
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|
Impulse discharge current (10/350μs) |
Iimp |
7kA |
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Norminal discharge current (8/20μs) |
In |
25kA |
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Maximum discharge current (8/20μs) |
Imax |
50kA |
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|
Voltage protection level (L-N)/(N-PE) |
Up |
1.2kV/1.5kV |
1.4kV/1.5kV |
1.6kV/1.5kV |
1.8kV/1.5kV |
2.0kV/1.5kV |
|
Voltage protection level 5kA |
Up |
1.0kV |
1.2kV |
1.4kV |
1.5kV |
1.6kV |
|
Response time (L-N)/(N-PE) |
tA |
≤25ns/≤100ns |
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Operating temperature range |
Tu |
-40℃ to +80℃ |
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Max. Back-up fuse |
160 A gL/gG |
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Operating state/fault indication |
Green/Red(L-N),Yellow(N-PE) |
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Cross-section area (Min.)/(Max.) |
4mm²/35mm² |
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Mounting |
35 mm DIN Rail, EN 60715 |
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Enclosure material |
Thermal Plastic UL94-V0 |
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Degree of protection |
IP20 (built-in) |
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