PV Surge Protector DC 20kA 1500V Network Protection

Name: PV Surge Protector DC 20kA 1500V - ETEK Electri
SKU: ETU5-T2-20PV

Securing vulnerable 1500V DC photovoltaic networks, this robust PV Surge Protector intercepts direct lightning transients and switching overvoltages. The ETU5-T2-20PV modular enclosure delivers a 20kA maximum discharge capacity to maintain stable solar array operations.

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ModelETU5-T2-20PV

CategoryDC Surge Protectors, Surge Protective Devices

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the PV Surge Protector

Engineered with UL94-V0 thermal plastic, this PV Surge Protector guarantees uncompromised electrical safety for heavy-duty DC distribution boards.

High Discharge Rating: Delivers a 10kA nominal and 20kA maximum discharge current (8/20µs), ensuring resilient solar surge protector capabilities.
Voltage Capacity: Supports continuous operating voltages up to 1500V DC with an impressive 2000A short-circuit current rating (Iscpv).
Component Architecture: Integrates high-energy MOV protective elements functioning seamlessly as a heavy-duty surge arrester for solar system.
Safety Compliance: Certified to IEC/EN 61643-31 standards, providing reliable IP20 built-in defense for modern photovoltaic installations.

Product Tips

To ensure accurate installation and maintenance, the physical architecture of the ETU5-T2-20PV includes the following designated interfaces:

PV Surge Protector

Removable arc-safe barrier: Enhances operational safety by isolating electrical faults.
Pluggable cartridge: Allows rapid replacement without disconnecting the base unit.
Visual status indication: Green indicates OK, Red indicates a defect.
Remote signal terminal: Optional port for transmitting status to central monitoring panels.
Line connection: Secure terminal for incoming (DC+) or (DC-) wiring.
Ground line interface: Ensures effective dissipation of transient surges to earth (PE).

Product Selection Guide

ETU5-T2-20PV Configuration Structure
Code Name	Meaning
E	ETEK
T	T series
U5	SPD series No.5
T2	Class II / Type 2
20	Imax: 20kA
PV	Solar PV system
2M / 3M	No. of Module: 2: 2Module; 3: 3Module
600 / 800…	Uc: 600: DC600V; 800: DC800V; 1000: DC1000V; 1500: DC1500V
S	With Remote Signaling

Field Applications for PV Surge Protector Networks

Integrating the ETU5-T2-20PV unit minimizes equipment failure across facilities requiring a highly dependable PV Surge Protector.

Applications & Use Cases

PV String Boxes: Protects sensitive photovoltaic arrays against direct and indirect lightning surges at the string level, acting as a robust solar panel surge protector.
Inverter DC Input Side: Shields highly sensitive DC-AC inverters from destructive switching overvoltages utilizing this dedicated surge protection device for solar panel.
Commercial Rooftop PV Systems: Secures large-scale solar installations requiring rigorous lightning protection for solar panels.

Technical Specifications with the PV Surge Protector

Evaluate the comprehensive direct current parameters and exact part numbers below to align this PV Surge Protector perfectly with your IEC/EN 61643-31 load calculations.

Main Technical Data

Electrical Parameters
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 (Ucpv)	600V / 800V / 1000V / 1500V
Nominal discharge current (In) 8/20µs	10kA
Maximum discharge current (Imax) 8/20µs	20kA
Total discharge current (ITotal) 8/20µs	20kA
Voltage protection level (Up) 2P	2.6kV / 3.5kV / 4.0kV
Voltage protection level (Up) 3P	4.0kV / 5.2kV
Response time (tA)	<25ns
Short-circuit current rating (Iscpv)	2000A
Mechanical & Environmental Data
Operating temperature range (Tu)	-40°C to +80°C
Operating state/fault indication	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) 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)

SPD Type Reference List (Standard & Remote Signaling)

No. of module	Max. continuous operating DC voltage (Without Remote Signaling)
No. of module	600VDC	800VDC	1000VDC	1500VDC
2 module	ETU5-T2-20PV-2M600	ETU5-T2-20PV-2M800	ETU5-T2-20PV-2M1000	–
3 module	–	–	ETU5-T2-20PV-3M1000	ETU5-T2-20PV-3M1500
Max. continuous operating DC voltage (With Remote Signaling “S”)
2 module	ETU5-T2-20PV-2M600S	ETU5-T2-20PV-2M800S	ETU5-T2-20PV-2M1000S	–
3 module	–	–	ETU5-T2-20PV-3M1000S	ETU5-T2-20PV-3M1500S

Dimensions and Wiring of the PV Surge Protector

Verify exact 35mm DIN rail enclosure compatibility using the physical footprints, connection layouts, and maintenance guidelines associated with this PV Surge Protector.

Dimensional Data (mm)

Poles (Modules)	Width	Height	Depth
2P	36.1 mm	89.5 mm	67.4 mm
3P	54.0 mm	89.5 mm	67.4 mm

Basic Circuit Diagram

PV Surge Protector

Connection Diagram

Proper integration of the solar dc surge protection device ensures balanced transient absorption. Follow the designated (DC+), (DC-), and (PE) mapping strictly.

PV Surge Protector