Medium Voltage Power Connections - Toshiba JK Series Instruction Manual

Basic Ins stallation a
b b. Ground le ads should b
connected d to cable
potheads/ /shields as
specified b by the
manufactu urer of these
devices.
Medium Volta M age Power C
Use a properl U y calibrated to
to o Figures 10a a and 10b.
Cable and wir C re bundles th
avoid interfere a ence with mo
c cable used sh hould be obse
P Power cables s should be b
wherever suc w ch cables are
sized to carry s y the motor fu
and have an a a adequate volt
a as appropriate e to the voltag
Main power bus (when p
bus are sup b plied with li
to ogether. The ese should b
F Fig. 9 throu gh Fig. 12.
p partitions, etc c., that are
in nstallation mu ust be replace
T TOSHIBA
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and Operat tion Guide
e
Connections
orque wrench h to tighten al
hat enter the controller enc
oving parts. M Minimum ben
erved.
braced and/o r laced to wi
e unsupporte d. Power ca
ll load curren nt in accordan
tage rating. C Cables should
ge class and cable manufa
provided) and horizontal g
nks to join shipping se
e installed in n accordance
All access covers, ba
temporarily y removed d
ed.
JK 72
Fig. 9 9 Ground Bu
l MV connect tions accordin
closure shoul ld be routed
nding radius f for the type
ithstand shor rt circuit force
bles should be adequate
nce with NEC C requirement
be dressed a and terminate
acturer's reco ommendations
ground
To
ctions Bol lt Size En
e with
1/2 2 - 13
arriers,
during
3/8 8 - 16
5/1 6 - 18
M M 12
F Fig. 10b Torq
20 Series C Controllers
us Splice
ng
Torqu
Bolt Si ze Enga
(ft
1/4 - 2 20
to
3/16 - 18
of
3/8 - 1 16
7/16 - 14
1/2 - 1 13
es
9/16 - 12
ely
5/8 - 1 11
ts, 3/4 - 1 10
7/8 - 9
ed
1.0 - 8
s.
Fig. 10 0a Torque Sp
MV P Power Conne
rque at Full
ngagement Type of Co
(ft – lbs)
45 Bus -
28 Bus -
25 Bus - Gla
18 Bus - Porc
15
35
que Specs fo r Bus Conne
s
ue at Full
agement
– lbs)
6
12
18
30
45
68
90
150 1
2 240
245 2
pecs for
ections
onnection
Bus
Bus
astic Ins.
elain Ins.
ections
7