Type 2 DC Surge Protective Device for Solar PV

ETU5-T2-40PV Series DC Surge Protective Device is designed for enhanced surge protection on the DC side of solar photovoltaic systems. It is suitable for PV string boxes and inverter DC inputs, helping to improve system reliability by limiting the effects of lightning-induced surges and transient overvoltages.

With higher discharge capability for demanding PV applications, the series is well suited for solar installations requiring robust and dependable DC-side protection.

Type: Type 2
Ucpv: 600V / 800V / 1000V / 1500V
In: 20kA (8/20 μs)
Imax: 40kA (8/20 μs)
Short-circuit current rating (Iscpv):2000A
Usage Location: PV string boxes, inverter DC input side

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Product Features

①	ETEK	⑥	Solar PV system
②	T series	⑦	No. of Module: 2:2Module; 3:3Module
③	SPD series No.5	⑧	Uc: 600:DC600V; 800:DC800V; 1000:DC1000V; 1500:DC1500V
④	Class II / Type 2	⑨	With Remote Signaling
⑤	Imax: 40kA

Type 2 Surge Protection for Solar PV Systems
In: 20kA (8/20μs)
Imax: 40kA (8/20μs)
Ucpv: up to 1500V DC
Iscpv: 2000A
Optional Remote Signaling
Visual Status Indication
35mm DIN Rail Mounting
Removable Arc-Safe Barrier
Standard: IEC/EN 61643-31 Low-voltage surge protective devices

Product Tips

Basic Circuit Diagram

Connection Diagram

Dimension (mm)

Maintenance

Remote Signal Terminal

Technical Data

No. of poles		2P(2Mods), 3P(3Mods)
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		600V	800V	1000V	1500V
Norminal discharge current (8/20us)	Ucpv	20kA
Total discharge current (8/20μs)	In	40kA
Maximum discharge current (8/20μs)	ITotal	40kA
Voltage protection level (2P)	Imax	2.6kV	3.5kV	4.0kV	-
Voltage protection level (3P)	Up	-	-	4.0kV	5.2kV
Response time	Up	≤25ns
Short-circuit current rating	tA	2000A
Operating temperature range	Iscpv	-40℃ to +80℃
Operating state/fault indication	Tu	Green/Red
Cross-section area (Min.)/(Max.)		4mm²/35mm²
Mounting		35mm DIN Rail, EN 60715
Enclosure material		Thermal Plastic UL94-V0
Degree of protection		IP20 (built-in)
Remote contacts (RC)		Optional
RC switching capacity		AC: 250V/0.5A; DC: 250V/0.1A; 125V/0.2A; 75V/0.5A
RC conductor cross section (max.)		16 AWG (Solid) / 1.5mm² (Solid)