4. POWER CABLING
56
Table 24: Tightening torques of the terminals
4.7 INSTALLATION IN A CORNER-GROUNDED NETWORK
You can use corner grounding with the drive types (MR7 to MR9) with a rating of 72-310 A with a 380-480 V mains, and 75-310
A with a 208-240 V mains.
In these conditions, you must change the EMC protection level to C4. See the instructions in 6.5 Installation in an IT system.
Do not use corner grounding with the drive types (MR4 to MR6) with a rating of 3.4-61 A with a 380-480 V mains, or 3.7-62 A
with a 208-240 V mains.
Type
0140 2—0205 2
0140 5—0205 5
0261 5—0310 5
Frame
MR9
Tightening torque: the
power and motor
terminals
lb-in.
[Nm]
20
20
177
177
[Nm]
lb-in.
[Nm]
1.5
1.5
13.3
13.3
lb-in.
[Nm]
20
20
177
177
Tightening torque: the
EMC grounding clamps
Tightening torque: the
earth terminals
MR8
N800A
Summary of Contents for N800 Series
Page 2: ...ISSUEDATE 2015 06 26 VER 1 ...
Page 3: ......
Page 19: ...3 MOUNTING 3 2 2 WALL MOUNTING OF MR5 Fig 3 ThedimensionsoftheACdrive MR5 13 N800A ...
Page 20: ...3 MOUNTING 3 2 3 WALL MOUNTING OF MR6 Fig 4 ThedimensionsoftheACdrive MR6 14 N800A ...
Page 21: ...3 MOUNTING 3 2 4 WALL MOUNTING OF MR7 Fig 5 ThedimensionsoftheACdrive MR7 15 N800A ...
Page 23: ...3 MOUNTING 3 2 6 WALL MOUNTING OF MR8 IP00 Fig 7 ThedimensionsoftheACdrive MR8 IP00 17 N800A ...
Page 52: ...4 POWERCABLING 46 3 Removethecablecover MR8 MR9 N800A ...
Page 53: ...4 POWERCABLING 47 4 Removethecableentryplate MR8 MR9 N800A ...
Page 54: ...4 POWERCABLING 48 5 MR9only Loosenthescrewsandremovethesealingplate N800A ...
Page 55: ...4 POWERCABLING 49 6 RemovetheEMCshieldplate A ThewingnutinMR8 A MR9 N800A ...
Page 80: ...5 CONTROLUNIT 74 Fig 30 Thegalvanicisolationbarriers A Thecontrolunit B Thepowerunit N800A ...
Page 101: ......