Mitsubishi Electric C Series Handling And Maintenance page 6

At wire connection, fasten the terminal screws with the torque stated in the instruction manual.
●
Fastening with incorrect torque can cause fire.
Example of front connection type fastening torque (Others are in Appendix 2.)
Screw
diameter
Shape
Terminal
screw
Fastening
torque
N·m
Screw
diameter
Shape
Solderless
terminal
screw
Fastening
torque
N·m
Tightening torque for Solderless terminal
Size of conductor,
2
IEC(mm )
2.5
4.0
6.0
10
16
25
35
–
50
–
70
95
–
120
150
185
Refrain from installing in abnormal environment such as high temperature, high humidity,
●
high dust content, corrosive gas ambient, or of excessive vibration or impact. Electrification,
fire, or operation failure can result.
Carry out the work avoiding foreign matters such as dust, concrete powder, steel chips, and
●
rain water to enter into the equipment. Otherwise, operation failure can result.
CAUTION
M5
M6
2.5~4.0 5.0~7.0
2~3
M6
M10
M16
3.5~4.5 20.0~30.0
4.0~6.0
Tightening torque
Size of conductor,
NF125-CW
2 NF125-SW
AWG or kcmll(mm )
NF125-HW
14(2.1)
12(3.3)
10(5.3)
8(8.4) 4.5
6(13.3) 5.1
4(21.2) 5.1
3(26.7) 6.5
2(33.6) 6.5
1(42.4) 6.5
1/0(53.5) 6.5
2/0(67.4) 6.5
3/0(85.0)
4/0(107)
250(127)
300(152)
350(177)
M8
8.0~13.0 8.0~13.0
M20
M18
30.0~40.0 30.0~40.0 50.0~60.0
[N·m]
NV125-CW NF125-SGW NF160-SGW
NV125-SW NF125-HGW NF160-HGW
NV125-HW NF125-RGW NF250-SGW
NV125-RW NF125-UGW NF250-HGW
NF250-RGW
NF250-UGW
4 5
4 5
4 5
13
13
13
13
13
13
13
13
ｰ 25.5
ｰ 25.5
ｰ 25.5
ｰ 25.5
ｰ 25.5
M12
40.0~50.0
M24
4