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Reviewed configuration

NHS-2/1 DC combiner box

A 1000V DC configuration with 2 input and 1 output boundary. Confirm the project specification before release.

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NHS-2/1 DC combiner box

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

ModelNHS-2/1
Configuration typeDC combiner box
Voltage class1000V DC
Input count2
Output count1
Protection / switching architectureBUD-40/3

Technical specifications

Input2 strings
Output1 string
Maximum Voltage1000V
Max DC Short Circuit Current Per Input (Isc)15A (Changeable)
Maximum Current Output32A
EnclosureBX-13
Material TypePolycarbonate/ABS
Degree of ProtectionIP65
Degree of Resistance to ImpactsIK10
Dimension (WxHxD)292 x 220 x 120mm
Cable input EntryPG09 Cable Gland, 2.5-16mm²
Output Cable GlandPG21 2.5-16mm²
DC Switch DisconnectorBYT.2-32
Rated Insulation Voltage (Ui)1000V
Rated Current (Ie)32A
CategoryDC21B/PV2
Standard Compliance with (Switch)IEC 60947-3
DC Surge ArresterBUD-40/3
Max Operation Voltage (Ucpv)1000V
Standard Compliance with (SPD)EN 50539 Type 2
Maximum Discharge Current40 KA
DC fuse holderBR-30
LED IndicatorYes
Rated Working Voltage1000V
Fuse Link10x38mm LITTEL 15A
Operating Temperature-20°C~+60°C
Humidity99%
Altitude2000M
InstallationWall Mounting

Related configurations

Compare nearby arrangements in the same family.

NHS-1/1 DC string combiner box
Model NHS-1/1

DC string combiner box

Voltage
1000V DC
Input / output
1 / 1
Arrangement
BUD-40/3
Review model details →
NHS-2/2 DC string combiner box
Model NHS-2/2

DC string combiner box

Voltage
1000V DC
Input / output
2 / 2
Arrangement
BUD-40/3
Review model details →
NHS-3/1 DC combiner box
Model NHS-3/1

DC combiner box

Voltage
1000V DC
Input / output
3 / 1
Arrangement
BUD-40/3
Review model details →
NHS-4/1 DC string combiner box
Model NHS-4/1

DC string combiner box

Voltage
1000V DC
Input / output
4 / 1
Arrangement
fuse + SPD + isolator
Review model details →

Technical context

Use the relevant selection guide before finalizing the scope.

Solar PV / Procurement guide

How to Choose a Solar Combiner Box: B2B Buyer Guide (2026)

Choose a solar combiner box by fixing system voltage, string count, output current, protection, enclosure conditions and monitoring in that order.

Read Insight →Solar PV / Application guide

Combiner 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 →