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Reviewed configuration
NBWX-1 AC distribution / combiner box
A 230/400V AC configuration with - input and - 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-1 |
|---|---|
| Configuration type | AC distribution / combiner box |
| Voltage class | 230/400V AC |
| Input count | - |
| Output count | - |
| Protection / switching architecture | metering + AC SPD |
Technical specifications
| Main circuit rated Voltage | AC 230V/400V |
|---|---|
| Auxiliary circuit rated voltage | AC230V |
| Rated Current | 0-500A |
| Rated frequency | 50-60Hz |
| Enclosure Material Type | Metal |
| Degree of Protection | IP65 |
| Modular measurement and control relays | NH40 |
| Network number of phases | 3 phases |
| Measurement Rated Current | 0-500A |
| Measurement range | 220V~400V voltage AC |
| Supply frequency | 50-60 Hz +/- 10 % |
| AC Surge Arrester Electric rating | 220V~400V, 50-60HZ, 3 phase |
| SPD Maximum Discharge Current | 40 KA |
| SPD Standard Compliance with | EN 61643 |
| SPD Certification | CE |
| Power Meter Rated supply voltage (Us) | 100~277 V AC(45~65 Hz)/173~480 V AC(45~65 Hz) |
| Power Meter Network frequency | 50 Hz /60 Hz |
| Power Meter Rated current (In) | 1 A /5 A |
| Power Meter Poles description | 3P /3P + N |
| Power Meter Power consumption in VA | 5 VA |
| Power Meter Display type | Backlit LCD |
| Operating Temperature | -20℃~+60℃ |
| Humidity | 99% |
| Altitude | 2000M |
| Installation | Wall Mounting |
Related configurations
Compare nearby arrangements in the same family.
Model NBWX-4
AC combiner box
- Voltage
- 400/480/690V AC
- Input / output
- 4 / 1
- Arrangement
- relay protection + optional metering
Model NBWX-6
AC combiner box
- Voltage
- 400/480/690V AC
- Input / output
- 6 / 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
PV AC Combiner Box: A Practical Guide to Functions, Sizing, and Installation
How does a PV AC combiner box work? Learn its functions, breaker sizing rules, and installation steps — then request a quote from NEUTRON.
Read Insight →Solar PV / Application guideComparing AC and DC Combiner Boxes: A Complete Guide for Solar Installers
AC and DC combiner boxes occupy opposite sides of the inverter. This guide compares their topology, protection, voltage duty and selection basis for solar projects.
Read Insight →