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Reviewed configuration
NHS-6/6 DC breaker protection box
A 1000V DC configuration with 6 input and 6 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 | NHS-6/6 |
|---|---|
| Configuration type | DC breaker protection box |
| Voltage class | 1000V DC |
| Input count | 6 |
| Output count | 6 |
| Protection / switching architecture | breaker + SPD |
Technical specifications
| Input | 6 strings |
|---|---|
| Output | 6 strings |
| Max Voltage | 1000V |
| Rated Current of DC Breaker | 32A/32A/32A/32A/32A/32A |
| Max Current Output | 40A/40A/40A/40A/40A/40A |
| Material | Polycarbonate/ABS |
| Degree of Protection | IP65 |
| Impacts | IK10 |
| Dimensions | L400*W600*H230mm |
| Input Cable Glands | PG09, 2.5-16 |
| Output Cable Gland | PG21, 2.5-16 |
| Operating temperature | -25°C - +60°C |
Technical context
Use the relevant selection guide before finalizing the scope.
PV String Protection Basics: gPV Fuses & Monitoring
Where PV strings are paralleled, healthy strings can backfeed a faulted string, so the prospective fault current is not limited to a single module. The protection task is to clear that fault fast while never interrupting normal operation. Three realities drive the design:
Read Insight →Low-voltage protection / Selection guideDifference Between MCB, RCD, RCCB and RCBO
MCB, RCD, RCCB and RCBO compared: what each device protects, trip curves, residual current ratings, standards and how to select for your distribution board.
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