EKPBSR AFCI Combiner Box Advanced Arc Fault Circuit Interrupter for Photovoltaic Systems
Why Quality Matters?
Grouped by product family for cleaner RFQ selection: one page shows the available variant SKUs and key specification choices without creating duplicate product pages.
Variant SKU:
RFQ inputs
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QC proof
Inspection and document review before shipping.
Export ready
Packaging and mixed-container planning.
Procurement Snapshot
Commercial details are confirmed by SKU, quantity and destination at RFQ stage.
RFQ checklist
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Documents to confirm
Often sourced together
Technical Data
Specification values for buyer review and RFQ matching
| Product Family ID | OS-ETK-EKPSBSR-8-1 |
|---|---|
| Variant SKU Count | 1 |
| Supplier | ETK |
| Supplier Model | EKPSBSR-8-1 |
| Product Type | PV Combiner Box |
| Available Voltage Ratings | 600VDC/1000VDC |
| Rated Voltage | 600VDC/1000VDC |
| Protection Degree | NEMA13 (IP65) |
| Input Strings | 8 |
| Operating Temperature | -20°C ~ +60°C |
| Protection Degree | NEMA13 (IP65) |
| Rated Voltage | 600VDC/1000VDC |
| System Voltage | 600VDC/1000VDC |
Procurement & BOM Notes
How EKPBSR AFCI Combiner Box Advanced Arc Fault Circuit Interrupter for Photovoltaic Systems is sourced
OmniSol sources EKPBSR AFCI Combiner Box Advanced Arc Fault Circuit Interrupter for Photovoltaic Systems factory-direct as part of the PV Combiner Box family, quoted against your project quantity, destination port and product family id (OS-ETK-EKPSBSR-8-1). Pricing and lead time are confirmed by SKU and order size at the RFQ stage, and OmniSol can propose a current-equivalent option if the exact variant is unavailable, so the line stays on schedule.
BOM fit
EKPBSR AFCI Combiner Box Advanced Arc Fault Circuit Interrupter for Photovoltaic Systems sits between the array and the inverter, so it is specified with the string count, system voltage and protection layout of the project. It ships consolidated with cable, connectors and the rest of the electrical BOS, under one QC report and one document set.
Certification check
Confirm the device standard, breaking capacity and any market-specific listing (IEC or UL) before ordering. OmniSol supplies the datasheet, component brand list and inspection photos.
Product Overview
AFCI (Arc Fault Circuit Interrupter) combiner box with arc fault detection on each string input for PV systems where arc fault protection is mandated by code or inverter warranty. Arc fault detection protects against series and parallel arcing in module wiring and connectors that would not trip standard overcurrent protection.
AFCI protection in the combiner is increasingly required in US NEC 2017 and later jurisdictions for residential and commercial PV installations. The 8-string configuration covers common residential and small commercial array sizes.
The EKPSBSR-8-1 integrates arc fault circuit interruption directly into the combiner box, continuously monitoring all 8 string inputs for the waveform signature of a sustained DC arc fault. When detected, the output circuit trips before arc temperatures can damage wiring insulation — eliminating the need for a separate downstream AFCI device per string circuit.
Applications
PV string combining
DC array protection
C&I rooftop solar
Utility-scale field combiner circuits
Frequently Asked Questions
What is AFCI protection and when is it required?
AFCI (Arc Fault Circuit Interrupter) detects arcing faults in PV wiring — loose connectors, damaged cable insulation, or degraded module junction boxes can arc without drawing enough current to trip a standard fuse or MCB. NEC 2017 Section 690.11 requires AFCI for PV systems in the US in many states.
Does AFCI combiner replace standard fuse protection?
AFCI combiners include arc fault detection alongside or in addition to standard fuse protection — they do not replace overcurrent protection. The combiner provides both arc fault trip capability and standard string fusing.
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