Photovoltaic Surge Protector DC 40kA 1500V Protection

Name: Photovoltaic Surge Protector DC 40kA - ETEK Electri
SKU: ETU5-T2-40PV

Securing 1500V DC solar arrays, this robust Photovoltaic Surge Protector intercepts direct lightning transients and switching overvoltages. The ETU5-T2-40PV modular enclosure delivers a 40kA maximum discharge capacity to maintain stable commercial distribution operations.

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ModelETU5-T2-40PV

CategoryDC Surge Protectors, Surge Protective Devices

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the Photovoltaic Surge Protector

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

High Discharge Rating: Delivers a 20kA nominal and 40kA maximum discharge current (8/20µs), ensuring resilient photovoltaic surge protection for continuous loads.
Voltage Capacity: Supports maximum 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 dc to absorb massive transients.
Safety Compliance: Certified to IEC/EN 61643-31 standards, providing reliable IP20 built-in defense for modern solar energy installations.

Product Tips

To ensure accurate installation and maintenance, the physical architecture of the ETU5-T2-40PV includes the following designated interfaces:

Photovoltaic 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-T2-40PV Configuration Structure
Code Name	Meaning
E	ETEK
T	T series
U5	SPD series No.5
T2	Class II / Type 2
40	Imax: 40kA
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 Photovoltaic Surge Protector Networks

Integrating the ETU5-T2-40PV unit minimizes equipment failure across facilities requiring a highly dependable Photovoltaic Surge Protector.

Applications & Use Cases

PV String Boxes: Protects sensitive arrays against direct and indirect lightning surges at the string level, acting as a robust solar lightning arrester.
Inverter DC Input Side: Shields highly sensitive DC-AC inverters from destructive switching overvoltages utilizing this dedicated surge protection for pv systems.
Rooftop Installations: Secures both commercial and residential rooftop systems requiring rigorous surge protection for solar systems.

Technical Specifications with the Photovoltaic Surge Protector

Evaluate the comprehensive direct current parameters and exact part numbers below to align this Photovoltaic 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	20kA
Maximum discharge current (Imax) 8/20µs	40kA
Total discharge current (ITotal) 8/20µs	40kA
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 Models)

No. of module	Max. continuous operating DC voltage (Without Remote Signaling)
No. of module	600VDC	800VDC	1000VDC	1500VDC
2 module	ETU5-T2-40PV-2M600	ETU5-T2-40PV-2M800	ETU5-T2-40PV-2M1000	–
3 module	–	–	ETU5-T2-40PV-3M1000	ETU5-T2-40PV-3M1500

SPD Type Reference List (With Remote Signaling “S”)

No. of module	Max. continuous operating DC voltage (With Remote Signaling)
No. of module	600VDC	800VDC	1000VDC	1500VDC
2 module	ETU5-T2-40PV-2M600S	ETU5-T2-40PV-2M800S	ETU5-T2-40PV-2M1000S	–
3 module	–	–	ETU5-T2-40PV-3M1000S	ETU5-T2-40PV-3M1500S

Dimensions and Wiring of the Photovoltaic Surge Protector

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