Standard: IEC/EN 61643-31
Surge Rating: Imax=20kA (8/20 µs)
Voltage protection level (Up): <5,2kV
IEC/EN Category: Class II / Type 2
Max. continuous operating voltage (Ucpv): 600, 800,1000,1500V
Housing: Pluggable Design
EKU5-T2-20PV is a high-performance Type 2 surge protection device engineered for solar PV applications, offering reliable defense against transient overvoltages in DC circuits. Designed in compliance with IEC/EN61643-31 standards, this SPD combines advanced MOV technology with modular flexibility to safeguard photovoltaic arrays, inverters, and DC power systems from lightning-induced surges and switching transients.
Typical Applications
DC side protection for:
• 600-1500V solar farms
• PV combiner boxes
• Battery energy storage systems
• Microinverter arrays
Industrial DC power distribution
EV charging station backplanes
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No.of poles |
2P |
3P |
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Location of Use |
String box, Inverter |
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Mode of protection |
(DC+)-PE,(DC-)-PE,(DC+)-(DC-) |
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Protective elements |
High Energy MOV |
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Maximum continuous operating DC voltage |
Ucpv |
600V |
800V |
1000V |
1000V |
1500V |
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Norminal discharge current (8/20μs) |
In |
10kA |
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Total discharge current (8/20μs) |
ITotal |
20kA |
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Maximum discharge current (8/20μs) |
Imax |
20kA |
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Voltage protection level |
Up |
2.6kV |
3.5kV |
4.0kV |
4.0kV |
5.2kV |
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Response time |
tA |
≤25ns |
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Operating temperature range |
Tu |
-40℃ to +80℃ |
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Operating state/fault indication |
Green/Red |
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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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Why Choose EKU5-T2-20PV?
This SPD provides cost-effective surge protection through:
• System Longevity - Prevents inverter damage from repeated micro-surges
• Downtime Reduction - Fault indication enables proactive maintenance
• Future-Proof Design - Scalable configurations support system upgrades
• Simplified Compliance - Meets NEC 690.9/CEC 64-066 code requirements
