Nidec E300 Series - Page 58

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58 Installation and System Design Guide
Issue Number: 1
3.9.2 Terminal sizes and torque settings
Table 3-7 Drive power terminal data
Table 3-8 Drive control and relay terminal data
Table 3-9 Plug-in terminal block maximum cable sizes
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 (6.2 lb in) 0.8 N m (7.1 lb in) 2.0 N m (17.7 Ib in) 2.5 N m (22.1 lb in) 2.0 N m (17.7 lb in) 2.5 N m (22.1 lb in)
5
Plug-in terminal block T20 Torx (M4) / M4 Nut (7 mm AF) M5 Nut (8 mm AF)
1.5 N m (13.3 lb in) 1.8 N m (15.9 lb in) 1.5 N m (13.3 lb in) 2.5 N m (22.1 lb in) 2.0 N m (17.7 lb in) 5.0 N m (44.3 lb in)
6
M6 Nut (10 mm AF) M6 Nut (10 mm AF) M6 Nut (10 mm AF)
6.0 N m (53.1 lb in) 8.0 N m (70.9 lb in) 6.0 N m (53.1 lb in) 8.0 N m (70.9 lb in) 6.0 N m (53.1 lb in) 8.0 N m (70.9 lb in)
7
M8 Nut (13 mm AF) M8 Nut (13 mm AF) M8 Nut (13 mm AF)
12 N m (106.3 lb in) 14 N m (124 lb in) 12 N m (106.3 lb in) 14 N m (124 lb in) 12 N m (106.3 lb in) 14 N m (124 lb in)
8 to 11
M10 Nut (17 mm AF) M10 Nut (17 mm AF) M10 Nut (17 mm AF)
15 N m (132.9 lb in) 20 N m (177.1 lb in) 15 N m (132.9 lb in) 20 N m (177.1 lb in) 15 N m (132.9 lb in) 20 N m (177.1 lb in)
Model Connection type Torque setting
All Plug-in terminal block 0.5 N m (0.4 lb in)
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 to 11
WARNING