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Reviewed configuration
NBWX-6 AC combiner box
A 400/480/690V AC configuration with 6 input and 1 output boundary. Confirm the project specification before release.
Source-backed technical data
Complete configuration parameters, not only a model summary.
The table below is transcribed from the approved catalogue technical sheet for this configuration. The final drawing, BOM and inspection scope remain subject to the agreed project specification.
Configuration summary
| Model | NBWX-6 |
|---|---|
| Configuration type | AC combiner box |
| Voltage class | 400/480/690V AC |
| Input count | 6 |
| Output count | 1 |
| Protection / switching architecture | relay protection + optional metering |
Technical specifications
| Rated Voltage | 400V/480V/690VAC |
|---|---|
| Rated Current Per Input | 0-100A |
| Input | 6 strings |
| Output | 1 string |
| Applicable system | Three-phase four-wire / three-phase five-wire |
| Maximum Breaking Capacity Input | MCCB 35KA(400V); 8KA(690V) |
| Maximum Breaking Capacity Output | MCCB 50KA(400V); 10KA(690V) |
| Electrical insulation Clearance | >14mm |
| Creepage distance | >25mm |
| Main circuit to earthing | AC3000V 5s |
| Between phases | AC3000V 5s |
| Relay function | Phase sequence detection, overvoltage, undervoltage protection, phase loss protection |
| Metering | Optional |
| Enclosure Material Type | 304 stainless steel, cold rolled steel, galvanized steel |
| Degree of Protection | IP65 |
| Operating Temperature | -20℃~+50℃ |
| Altitude | ≤2000m |
| Installation | Wall Mounting |
Related configurations
Compare nearby arrangements in the same family.
Model NBWX-1
AC distribution / combiner box
- Voltage
- 230/400V AC
- Input / output
- - / -
- Arrangement
- metering + AC SPD
Model NBWX-4
AC combiner box
- Voltage
- 400/480/690V AC
- Input / output
- 4 / 1
- Arrangement
- relay protection + optional metering
Model NBWX-4
AC combiner box
- Voltage
- 230/400V AC
- Input / output
- 4 / 1
- Arrangement
- MCCB + Type 2 AC SPD
Model NBWX-6
AC combiner box
- Voltage
- 230/400V AC
- Input / output
- 6 / 1
- Arrangement
- MCCB + Type 2 AC SPD
Technical context
Use the relevant selection guide before finalizing the scope.
Solar PV / Application guide
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Read Insight →Solar PV / Application guideComparing AC and DC Combiner Boxes: A Complete Guide for Solar Installers
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