6 in 2 out DC 1000V Combiner Box
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Technical Data
Specification values for buyer review and RFQ matching
| Product Family ID | OS-ETK-EKDBS-PV6-2-BFS-1000 |
|---|---|
| Variant SKU Count | 1 |
| Supplier | ETK |
| Supplier Model | EKDBS-PV6-2-BFS-1000 |
| Product Type | PV Combiner Box |
| Available Voltage Ratings | 1000VDC |
| Rated Voltage | 1000VDC |
| Rated Current | 20A |
| Protection Degree | IP65 |
| DC Fuse | 1000VDC, 10×38mm, 15A; qty 12 |
| DC SPD | 1000VDC, 2P, 40kA, Type 2; qty 2 |
| Dimensions | 296.5x390.5x131.5mm (26 ways) |
| Enclosure | 26 Ways, IP65, PC material |
| Input Strings | 6 |
| Main Switch | 1000VDC, 32A 4P DC MCB; qty 2 |
| Operating Temperature | -25°C to +55°C |
| Output Strings | 2 |
| Poles | 4P |
| Protection Degree | IP65 |
| Rated Current | 20A |
| Rated Voltage | 1000VDC |
| System Voltage | 1000VDC |
Product Overview
Six-string combiner with two outputs for mid-scale commercial applications where six strings are grouped into two MPPT channels of three strings each. BFS configuration includes per-string fuse protection and individual output isolation for each three-string group.
At 3 strings × 12A Isc per output, each output carries approximately 36A — a common configuration for string inverters with dual MPPT inputs rated at 30-40A per channel.
Six-string combiners serve mid-range commercial rooftop arrays in the 50–100kW range. The standard IP65 rating covers most commercial rooftop environments — confirm whether an IP66 or NEMA 4X enclosure is required for coastal or tropical sites with direct rain exposure on the enclosure face.
Applications
PV string combining
DC array protection
C&I rooftop solar
Utility-scale field combiner circuits
Frequently Asked Questions
Can the 3-3 string split be changed to a 4-2 configuration?
Custom combiner configurations can accommodate asymmetric string splits if the inverter MPPT channels have different current ratings. Share the inverter MPPT specifications and string Isc values at RFQ and we confirm the appropriate split configuration.
What IP rating is required for a roof-mounted 6-string combiner?
Roof-mounted combiners require at least IP54 for rain and dust protection. Confirm the enclosure IP rating from the product datasheet — for harsh environments (coastal, desert), IP65 is preferable.
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