ABB TruONE ATS Installation And Operating Instruction page 128

128 Tr u O N E ® AT S , I N S TA L L AT I O N A N D O P E R AT I N G I N S T R U C T I O N
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8.2 Wiring
8.2.1 Wiring of OX_30...800 / cable lugs
Automatic Bolt
transfer
switch
OX_30...250_
OX_260...400_ M10
OX_500...800_ M12
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Table 8.2 OX_30...800_/ bolt sizes and tightening torques
Automatic
transfer
switch
OX_30...250_
OX_260...400_
OX_500...800_
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Table 8.3 OX_30...800_/ cable support
with breaker or fuses (SCPD)
T
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Fig. 8.3 Wiring, the tightening torques,
see the tables 8.2 and 8.3
Tightening
size torque T
[Nm / lb.in]
M8 15...22 / 133...195
30...44 / 266...390
50...75 / 443...664
Max. distance from
switch frame to nearest
cable support
SOURCE LOAD
[mm / in] [mm / in]
300 / 11.8 150 / 5.9
300 / 11.8 150 / 5.9
300 / 11.8 150 / 5.9
T
Hazardous voltage
Only an authorised electrician may perform
the electrical installation and maintenance of
OX_ automatic transfer switches. Do not at-
tempt any installation or maintenance actions
when an OX_ automatic transfer switch is
connected to the electrical mains. Before
starting work, make sure that the switch is
de-energised.
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Fig. 8.4 OX_30...800, wiring by cable lugs