DC Surge Protector for Solar 40kA DC Overvoltage Defense

Name: DC Surge Protector for Solar 40kA - ETEK Electri
SKU: EKU5-T1+T2-40PV

Safeguarding critical photovoltaic networks, this robust DC Surge Protector for Solar intercepts direct lightning strikes and switching transients. The EKU5-T1+T2-40PV modular unit delivers a 40kA maximum discharge capacity to maintain stable DC string box operations.

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ModelEKU5-T1+T2-40PV

CategoryDC Surge Protectors, Surge Protective Devices

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the DC Surge Protector for Solar

Engineered with thermal plastic UL94-V0, this DC Surge Protector for Solar ensures uncompromised electrical safety and modular convenience.

Combined Suppression: Integrates high-energy MOV protective elements, functioning seamlessly as a heavy-duty dc spd for solar to absorb massive transients.
High Discharge Rating: Delivers a 6.25kA impulse discharge current (10/350µs) alongside a 40kA maximum discharge current (8/20µs), ensuring resilient type 1 and 2 surge protection.
Status Indication: Equipped with visual status windows (Green/Red) for immediate operational feedback.
Component Architecture: Features dedicated (DC+), (DC-), and (PE) interfaces, supporting an optional remote signal terminal.

Product Selection Guide

EKU5-T1+T2-40PV Configuration Structure
Code Name	Meaning
EK	ETEK
U5	SPD series No.5
T1+T2	Class I+II / Type 1+2
40	Imax: 40kA
PV	Solar PV system
3M	No. of module: 3 module
1500	Uc: 1000: DC1000V; 1500: DC1500V
S	With remote signaling

Applications for PV Networks

Deploying the EKU5-T1+T2-40PV unit minimizes catastrophic equipment failure across facilities requiring a highly dependable DC Surge Protector for Solar.

Applications & Use Cases

String Boxes: Protects sensitive photovoltaic arrays against direct and indirect lightning surges at the string level.
Solar Inverters: Shields highly sensitive DC-AC inverters from destructive switching overvoltages utilizing this robust dc surge protection device.

Technical Specifications with the DC Surge Protector for Solar

Evaluate the comprehensive direct current parameters and exact part numbers below to align this DC Surge Protector for Solar perfectly with your IEC/EN61643-31 load calculations.

Main Technical Data

Electrical Parameters
No. of poles	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)	1000V / 1500V
Norminal discharge current (In) 8/20µs	20kA
Impulse discharge current (Iimp) 10/350µs	6.25kA
Total discharge current (ITotal) 10/350µs	12.5kA
Total discharge current (ITotal) 8/20µs	40kA
Maximum discharge current (Imax) 8/20µs	40kA
Voltage protection level (Up) (DC+)-PE, (DC-)-PE	4.0kV / 5.2kV
Voltage protection level (Up) (DC+)-(DC-)	4.0kV / 5.2kV
Response time (tA)	<25ns
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	35 mm DIN rail, EN 60715
Enclosure material	Thermal plastic UL94-V0
Degree of protection	IP20 (built-in)

SPD Type Reference List

No. of module	Max. continuous operating DC voltage (Without Remote Signaling)
No. of module	1000VDC	1500VDC
3 module	EKU5-T1+T2-40PV-3M1000	EKU5-T1+T2-40PV-3M1500
With Remote Signaling “S”
3 module	EKU5-T1+T2-40PV-3M1000S	EKU5-T1+T2-40PV-3M1500S

Dimensions and Wiring of the DC Surge Protector for Solar

Verify exact 35mm DIN rail enclosure compatibility using the physical footprints and connection layouts associated with this DC Surge Protector for Solar.