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Reviewed configuration

NHS-2M DC string box

A 600V DC configuration with 2 input and 2 output boundary. Confirm the project specification before release.

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NHS-2M DC string 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-2M
Configuration typeDC string box
Voltage class600V DC
Input count2
Output count2
Protection / switching architecturestring aggregation

General data

Input2 string
Output2 string
Maximum Voltage600V
Maximum Current Output32A

Enclosure

TypeBX-15
Material TypePolycarbonate/ABS
Degree of ProtectionIP65
Degree of Resistance to ImpactsIK10
Dimension (WxHxD)331 x 210 x 122mm
InputMC4
OutputMC4

DC switch disconnector

Rated Insulation Voltage (Ui)600V
Rated Current (Ie)32A
CategoryDC21B/IPV2
Standard Compliance withIEC 60947-3
CertificationUL, TUV, KEMA, SAA, CE

DC surge arrester

Max Operation Voltage (Ucpv)600V
Standard Compliance withEN 50539 Type 2
Maximum Discharge Current40 KA
CertificationTUV CE

Environment

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-2/1 DC combiner box
Model NHS-2/1

DC combiner box

Voltage
1000V DC
Input / output
2 / 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 →

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 →