No. 2A201-519EN*A
41
8.2
Power Distribution Board
When 400 V is supplied
NFB
100A
For 3-phase
400 V
Ground resistance:
As per applicable
legal requirements.
Note: The mounting orientation must be in accordance with IEC 60447.
Figure 8.2-1 Cable connections to the power distribution board
8.3 Grounding
(1) Grounding must be provided in accordance with all applicable legal requirements for
medically used electrical equipment.
(2) Route the grounding wires used exclusively for this system into the power distribution board
and connect to the grounded busbar.
(3) The grounded busbar must have grounding terminals for this system.
E3
15 mm pitch
M6 tap hole
Tin coating to the copper board
(thickness of 5 mm or more)
15 mm
or more
Figure 8.3-1 Grounded busbar
(4) The grounding lines for wall ducts, the power distribution board case, and wiring pits must not
be connected to the grounded busbar shown above. These lines must be grounded via
another route.