24 in 1 out DC 1000V Combiner Box
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Technical Data
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| Product Family ID | OS-ETK-EKDBT-PV24-1-BFS-1000 |
|---|---|
| Variant SKU Count | 1 |
| Supplier | ETK |
| Supplier Model | EKDBT-PV24-1-BFS-1000 |
| Product Type | PV Combiner Box |
| Available Voltage Ratings | 1000VDC |
| Rated Voltage | 1000VDC |
| Rated Current | 15A |
| Protection Degree | IP65 |
| DC Fuse | 1000VDC, 10×38mm, 15A; qty 48 |
| DC SPD | 1000VDC, 2P, 40kA, Type 2; qty 1 |
| Dimensions | 860x560x200mm |
| Enclosure | IP65, Metal (customizable shell materials) |
| Input Strings | 24 |
| Main Switch | 1000VDC, 630A 2P DC MCCB; qty 1 |
| Operating Temperature | -25°C to +55°C |
| Output Strings | 1 |
| Poles | 2P |
| Protection Degree | IP65 |
| Rated Current | 15A |
| Rated Voltage | 1000VDC |
| System Voltage | 1000VDC |
Product Overview
Twenty-four-string 1000V DC combiner for the highest-density central inverter configurations, where 24 strings are combined before feeding one inverter DC input. At 24 strings × 12A Isc, the output current approaches 288A — the output protection should be rated at 315A or above with appropriate margin.
24-string combiners maximize string density per combiner unit, reducing the number of combiner boxes in utility-scale arrays. Confirm the inverter MPPT input current rating against the combined string current before specifying.
Twenty-four string inputs represent the upper end of standard DIN-rail combiner box design; beyond 24 strings, system designers typically move to rack-mounted combiner arrays or pre-assembled skid units. Confirm installation site space and conduit entry clearance for the enclosure dimensions before specifying this unit.
Applications
PV string combining
DC array protection
C&I rooftop solar
Utility-scale field combiner circuits
Frequently Asked Questions
What output protection rating is required for 24 strings at 12A Isc?
24 × 12A = 288A combined output. Select a DC MCCB rated at 315A from the EKM6DC-315 family with 10% margin above the calculated current. Include the output MCCB in the RFQ for a complete combiner and protection package.
What is the typical enclosure size for a 24-string combiner?
Confirm enclosure dimensions from the product documentation. A 24-string combiner requires space for 24 fuse holders, busbars, SPD, and output switching device — the enclosure is typically larger than small-string combiners. Confirm mounting space is available.
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