Reviewed configuration

NBWX-1/3 AC contactor box

A 400V AC configuration with 1 input and 3 output boundary. Confirm the project specification before release.

NBWX-1/3 AC contactor 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

ModelNBWX-1/3
Configuration typeAC contactor box
Voltage class400V AC
Input count1
Output count3
Protection / switching architectureMCB + contactor

Technical specifications

Input1 string
Output3 strings
Maximum Voltage400V
Max DC Short Circuit Current Per Input (Isc)20A(Changeable)
Maximum Current Output20A
Enclosure Material TypePolycarbonate/ABS
Degree of ProtectionIP65
Degree of Resistance to ImpactsIK10
Dimension (WxHxD)292x220x120mm
Cable input EntryPG25 Cable Gland,13-21mm²
Output Cable GlandPG25+PG13.5 Cable Gland,13-21mm²&6.7-12mm²
MCB Rated Voltage (Ue)400VAC
MCB Rated Current (In)20A
MCB Standard Compliance withIEC 60898-1/GB/T 10963.1
MCB CertificationCE,CCC
MCB Instantaneous trip typeType C
Contactor Rated operating Voltage (Ue)AC 400V
Contactor Rated operating Current (In)20A
Contactor Standard Compliance withIEC EN 61095,GB/T 17885
Contactor CertificationCE,CCC
Normally open contact2pole
Normally closed contact0pole
Operating Temperature-20°C~+60°C
Humidity99%
Altitude2000M
InstallationWall Mounting