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Reviewed configuration
NHS-2M DC combiner box
A 600V DC configuration with 2 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 | NHS-2M |
|---|---|
| Configuration type | DC combiner box |
| Voltage class | 600V DC |
| Input count | 2 |
| Output count | 1 |
| Protection / switching architecture | string aggregation |
General data
| Input | 2 string |
|---|---|
| Output | 1 string |
| Maximum Voltage | 600V |
| Maximum Current Output | 32A |
Enclosure
| Type | BX-08 |
|---|---|
| Material Type | Polycarbonate/ABS |
| Degree of Protection | IP65 |
| Degree of Resistance to Impacts | IK10 |
| Dimension (WxHxD) | 210 x 194 x 120mm |
| Input | MC4 |
| Output | MC4 |
DC switch disconnector
| Rated Insulation Voltage (Ui) | 600V |
|---|---|
| Rated Current (Ie) | 32A |
| Category | DC21B/IPV2 |
| Standard Compliance with | IEC 60947-3 |
| Certification | UL, TUV, KEMA, SAA, CE |
DC surge arrester
| Max Operation Voltage (Ucpv) | 600V |
|---|---|
| Standard Compliance with | EN 50539 Type 2 |
| Maximum Discharge Current | 40 KA |
| Certification | TUV CE |
Environment
| Operating Temperature | -20°C~+60°C |
|---|---|
| Humidity | 99% |
| Altitude | 2000M |
| Installation | Wall Mounting |
Technical context
Use the relevant selection guide before finalizing the scope.
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Read Insight →Solar PV / Application guideCombiner Box Selection Guide: How to Choose the Right PV DC Box
Specify a PV DC combiner box from four hard numbers before you look at price: maximum system DC voltage, string short-circuit current (Isc), number of input strings, and site protection class. Fuses must be rated at 1.25 x Isc or above, surge protect
Read Insight →


