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E300 Design Guide 49
Issue Number: 1
3.9.2 Terminal sizes and torque settings
Table 3-8 Drive power terminal data
Table 3-9 Drive control and relay terminal data
Table 3-10 Plug-in terminal block maximum cable sizes
3.10 EMC filters
3.10.1 Internal EMC filter
It is recommended that the internal EMC filter be kept in place unless there is a specific reason for removing it. If the drive is part of a Regenerative
system or it is connected to an IT supply then the internal EMC filter must be removed.
The internal EMC filter reduces radio-frequency emission into the line power supply. Where the motor cable is short, it permits the requirements of EN
61800-3:2004 to be met for the second environment. With regard to motor cables, the filter provides useful reduction in emission levels with any
length of shielded motor cable up to the limit for the drive. It is unlikely that nearby industrial equipment will be disturbed. It is recommended that the
filter be useful used in all applications unless the instructions given above require it to be removed or the ground leakage current of the drive is
unacceptable.
To avoid a fire hazard and maintain validity of the UL listing, adhere to the specified tightening torques for the power and ground
terminals. Refer to the following tables.
Model size
AC and motor terminals DC and braking Ground terminal
Recommended Maximum Recommended Maximum Recommended Maximum
3 and 4
Plug-in terminal block T20 Torx (M4) T20 Torx (M4) / M4 Nut (7 mm AF)
0.7 N m (0.5 lb ft) 0.8 N m (0.6 lb ft) 2.0 N m (1.4 Ib ft) 2.5 N m (1.8 Ib ft) 2.0 N m (1.4 Ib ft) 2.5 N m (1.8 Ib ft)
5
Plug-in terminal block T20 Torx (M4) / M4 Nut (7 mm AF) M5 Nut (8 mm AF)
1.5 N m (1.1 lb ft) 1.8 N m (1.3 lb ft) 1.5 N m (1.1 Ib ft) 2.5 N m (1.8 Ib ft) 2.0 N m (1.4 Ib ft) 5.0 N m (3.7 Ib ft)
6
M6 Nut (10 mm AF) M6 Nut (10 mm AF) M6 Nut (10 mm AF)
6.0 N m (4.4 Ib ft) 8.0 N m (6.0 Ib ft) 6.0 N m (4.4 Ib ft) 8.0 N m (6.0 Ib ft) 6.0 N m (4.4 Ib ft) 8.0 N m (6.0 Ib ft)
7
M8 Nut (13 mm AF) M8 Nut (13 mm AF) M8 Nut (13 mm AF)
12 N m (8.8 Ib ft) 14 N m (10.0 Ib ft) 12 N m (8.8 Ib ft) 14 N m (10.0 Ib ft) 12 N m (8.8 Ib ft) 14 N m (10.0 Ib ft)
Model Connection type Torque setting
All Plug-in terminal block 0.5 N m (0.4 lb ft)
Model size Terminal block description Max cable size
All
11 way control connectors
1.5 mm
2
(16 AWG)
2 way relay connector
2.5 mm
2
(12 AWG)
3
6 way AC power connector
6 mm
2
(10 AWG)
4
5
3 way AC power connector
3 way motor connector
8 mm
2
(8 AWG)
6
2 way low voltage power
24 V supply connector
1.5 mm
2
(16 AWG)
7
If the drive is used with ungrounded (IT) supplies, the internal EMC filter must be removed unless additional motor ground fault protection
is installed.
The power supply must be removed prior to removing the internal EMC filter.
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