ARC Fault Combiner Box 1000V DC 400A Array Protection

Name: ARC Fault Combiner Box 1000V 400A EKPBSR - ETEK Electri
SKU: EKPBSR

Safeguards commercial photovoltaic networks utilizing the advanced ARC Fault Combiner Box. The EKPBSR model guarantees real-time DC monitoring and rapid circuit interruption for high-capacity loads up to 400A.

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ModelEKPBSR

CategoryAFCI Combiner Box, PV Combiner Boxes

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the ARC Fault Combiner Box

Engineered with an IP65 full-plastic or stainless steel enclosure, this ARC Fault Combiner Box ensures continuous direct current safety in demanding outdoor installations.

Current Combining & Isolation: Aggregates up to 16 PV string inputs into a single output, delivering up to 400A while providing a reliable means to isolate parts of the system for maintenance.
Arc Fault Protection: Integrates advanced arc fault circuit interrupter afci technology to detect hazardous electrical arcs and interrupt the DC circuit instantly.
Surge Defense: Incorporates a Type 2 DC surge arrester (Imax=40kA) to shield the afci solar combiner box against severe 600VDC or 1000VDC overvoltage spikes.
Performance Monitoring: Features built-in 450~1000VDC monitoring capabilities to track real-time current, voltage, and fault conditions across the array.

Commercial Applications for the ARC Fault Combiner Box

Integrating the EKPBSR model minimizes fire hazards across large-scale photovoltaic grids relying on this robust ARC Fault Combiner Box.

Rooftop Solar Systems: Enhances fire safety compliance by operating as a highly dependable arc circuit interrupter for commercial building arrays.
Large-Scale PV Installations: Manages high DC voltages effectively, reducing operational risks and maintenance downtime for utility-scale solar projects.

Technical Specifications for the ARC Fault Combiner Box

Evaluate the comprehensive electro-magnetic parameters and configuration codes below to ensure this ARC Fault Combiner Box aligns perfectly with your specific B2B switchgear calculations.

Model Preparation Meaning

EKPBSR Configuration Guide
Code Name	Meaning
EK	ETEK
PB	PV combiner box
S / T	S: Plastic ; T: Iron
R / Null	R: AFCI ; Null: Null
Number (e.g., 8)	Input string number (8, 12, 16)
Number (e.g., 1)	Output string number
R / Null	R: Anti-reflux ; Null: Null

Technical Data

Model No.	EKPBSR-8/1	EKPBSR-12/1	EKPBSR-16/1
Standard	IEC62109, IEC61439
Max rated voltage	600VDC / 1000VDC
Number of Input	8	12	16
Max input current per string	15A / 20A / 25A / 30A
Connection type of input	PG09, cable outer diameter Ø4-Ø8mm; MC4 (optional)
Max output current	100A / 125A / 250A	125A / 160A / 200A / 250A	200A / 250A / 315A / 350A / 400A
Connection type of output	PG36, Ø22-32mm (Customizable)
DC surge arrester	Type 2, In=20kA, Imax=40kA, Ucpv=600/1000VDC
Voltage of monitoring device	450~1000VDC
Voltage of contactor	24VDC (Built-in power supply)
Enclosure Dimensions (mm)
Full-plastic sealed box	500 x 600 x 220	500 x 600 x 220	600 x 800 x 250
Powder coated stainless steel	540 x 660 x 180	540 x 660 x 180	660 x 760 x 180
Operating Conditions
Protection degree	NEMA13 (IP65)
Ambient temperature	-20℃ ~ +60℃
Humidity	0-99%
Altitude	≤2000m (>2000m, derating)

Dimensions and Wiring of the ARC Fault Combiner Box

Verify exact wall-mounting compatibility for the EKPBSR by referencing the structural footprints, connection types, and internal schematics associated with this ARC Fault Combiner Box.