Which file should I choose?
Use NEMA_Relay_8501X_130_2D-front.dxf (revision 1.0) to insert the supplied editable drawing into your layout. The ZIP contains the unmodified NEMA_Relay_8501X_130_2D-front.dxf.
Use NEMA_Relay_8501X_130_3D-simplified.stp (revision 1.0) to place the original solid geometry in your 3D assembly. The ZIP contains the unmodified NEMA_Relay_8501X_130_3D-simplified.stp.
