Which file should I choose?
Use NHP-DTRD-RCBO-2D-CAD-Block.dwg to insert the supplied editable drawing into your layout.
Use NHP-DTRD-RCBO-3D-CAD-Block.stp to place the original solid geometry in your 3D assembly.

NHP DIN-T DTRD RCBO: original DWG / STEP for circuit-breaker equipment layouts.
A residual-current device compares the current leaving a circuit with the current returning. A difference can indicate current flowing along an unintended path, causing the device to trip. An RCBO also provides overcurrent protection.
Use NHP-DTRD-RCBO-2D-CAD-Block.dwg to insert the supplied editable drawing into your layout.
Use NHP-DTRD-RCBO-3D-CAD-Block.stp to place the original solid geometry in your 3D assembly.
2 inspected originals for NHP DIN-T DTRD RCBO: NHP-DTRD-RCBO-2D-CAD-Block.dwg (DWG); NHP-DTRD-RCBO-3D-CAD-Block.stp (STEP).
DWG · 319 KB
Original filename: NHP-DTRD-RCBO-2D-CAD-Block.dwg
Original manufacturer DWG geometry
STEP · 1.2 MB
Original filename: NHP-DTRD-RCBO-3D-CAD-Block.stp
Original manufacturer STEP geometry
2 inspected originals for NHP DIN-T DTRD RCBO: NHP-DTRD-RCBO-2D-CAD-Block.dwg (DWG); NHP-DTRD-RCBO-3D-CAD-Block.stp (STEP).
NHP Electrical Engineering Products supplied the original files through https://www.nhpnz.co.nz/Resources/Downloads. The source reference, revision, original bytes and checksum are retained with each download.
Original publisher: NHP Electrical Engineering Products. Source checked 2026-11-11. Original bytes are preserved; file links and document references identify the source.
Manufacturer source discovery; confirm the exact regional equipment configuration and certification separately.
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