Product Introduction

EKU5-T2-40PV is a Class II surge protection device engineered for photovoltaic systems, offering robust DC-side protection compliant with IEC/EN61643-31 standards. Designed for commercial and utility-scale solar installations, this SPD delivers 40kA maximum discharge capacity (8/20μs waveform) with triple-mode protection between DC+/DC- poles and PE ground.

Applications

• Solar PV string boxes

• Solar inverter protection

• DC combiner boxes

• PV array junction boxes

• Commercial and utility-scale solar installations

• Residential solar power systems

Product Parameters

No.of poles		2P			3P
Location of Use		String box, Inverter
Mode of protection		(DC+)-PE,(DC-)-PE,(DC+)-(DC-)
Protective elements		High Energy MOV
Maximum continuous operating DC voltage	Ucpv	600V	800V	1000V	1000V	1500V
Norminal discharge current (8/20μs)	In	20kA
Total discharge current (8/20μs)	ITotal	40kA
Maximum discharge current (8/20μs)	Imax	40kA
Voltage protection level	Up	2.6kV	3.5kV	4.0kV	4.0kV	5.2kV
Response time	tA	≤25ns
Operating temperature range	Tu	-40℃ to +80℃
Operating state/fault indication		Green/Red
Cross-section area (Min.)/(Max.)		4mm²/35mm²
Mounting		35 mm DIN Rail, EN 60715
Enclosure material		Thermal Plastic UL94-V0
Degree of protection		IP20 (built-in)

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