ABB ZX0 Manual For Installation And Operation page 7

Fundamental notes on this manual:
Read the relevant sections of this manual through in full before performing work, so as to ensure correct handling.
Paragraphs in this manual are marked in accordance with their significance. The markings mean the following:
Hazard warning, meaning in this manual that death or serious injury and considerable damage may occur if the
actions described are not performed.
?
Important note, meaning in this manual that injury and damage may occur if the actions described are not performed.
&
Attention is drawn to further documents.
Note on safety
The internal arc classification to IEC 62271-200 confirms a tested degree of operator protection. The information on accessibility of the
switchgear as required by IEC 62271-200 can be found on the type plates of the panels. The coding is as follows (exemplary):
IAC AFLR 31,5 kA 1 sec
The operator of the switchgear must prevent access by personnel to non-arc classified areas, for instance by issuing
instructions.
Within the ratings stated on the type plate, the switchgear is safe for operating personnel in accordance with IEC
62271-200 when all system components are completely and properly installed.
Commissioning, servicing and extension work require special attention with regard to safety (see also IEC
62271-200).
Operator safety in accordance with IEC 62271-200 assumes that the conditions stipulated by us are complied with (see also Technical
Catalogue TK 500).
The IAC qualification relies on a system consisting of at least three panels.
At a room height of at least 2400 mm and a short-circuit current ≤ 21 kA (only possible with wall installation), the length of the switchgear system
1)
must be at least 1600 mm.
Duration of fault current
Level of fault current
Successfully tested accessibility of the area behind the switchgear (R – rear, only with pressure
relief duct and enclosed cable termination compartment))
Successfully tested accessibility of the area to the side of the switchgear (L - lateral)
Successfully tested accessibility of the area in front of the switchgear (F- front)
Switchgear installed in closed rooms with access restricted to authorised personnel
Internal arc classification
1)
Manual ZX0 HB 600 en - Revision 05 | 7