Power Distribution Board; Grounding - Toshiba Aquilion TSX-101A/I Series Site Planning Manual

8.2

Power Distribution Board

When 400 V is supplied
Note: The mounting orientation must be in accordance with IEC 60447.
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.
15 mm pitch
(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.
NFB
100A
For 3-phase
400 V
Figure 8.2-1 Cable connections to the power distribution board
M6 tap hole
Tin coating to the copper board
(thickness of 5 mm or more)
Figure 8.3-1 Grounded busbar
Ground resistance:
As per applicable
legal requirements.
41
No. 2A201-519EN*A
15 mm
or more
E3