CHINT NXZ Series User Instructions page 7

NXZ Automatic Transfer Switch
Wire connection
Tabla 3 Sectional area, width and number of copper wire
Product model
NXZ-125
NXZ-250
NXZ-630
Product model
Specification of binding screw
Torque
Wrench
≥φc
≤a
≤b
Figure 6 Wire connection
a b c
8 21.5 6
10 27.5 8
15 43 12
NXZ-125
M6×16
6N·m
5
≥φc
≤a
≤b
Number of conductors allowed
Cable specifications
to be clamped into the terminal
2
25~50mm
2
70~120mm
2
185mm (≤320A)
2
240mm (400A)
2
150mm (500A)
2
185mm (630A)
NXZ-250
M8×20
12N·m
6
05
Unit: mm
1
1
1
1
2
2
NXZ-630
M12×35
30N m ·
10