CHINT NP3 Series, User Instruction, Page: 4 / 8

02
Table 2 Overall dimensions of buttons of different specifications
Unit:mm
Model
NP3-1
NP3-2, NP3-1A, NP3-1B
NP3-3, NP3-2A, NP3-2B
NP3-4, NP3-3A, NP3-3B
NP3-5, NP3-4A, NP3-4B
NP3-1K
NP3-2K
NP3-3K
NP3-4K
Amax Bmax H1max H2max
70
50
80
140
200
260
320
380
200
260
320
380
250
310
370
430
490
310
370
430
490
Figure 1 Overall dimensions
2) See Table 3 for wire selection and tightening torque.