The matching of the common cable cross-section and rated working current in the pressure switch cabinet:
|
AmpacityA sectionmm2 |
40 0C |
55 0C |
60 0C |
65 0C |
70 0C |
75 0C |
|
1.5 |
21 |
|
|
-- |
-- |
10 |
|
2.5 |
28 |
|
|
-- |
-- |
14 |
|
4 |
37 |
|
|
-- |
23 |
-- |
|
6 |
48 |
43 |
40 |
34 |
30 |
-- |
|
10 |
65 |
59 |
54 |
49 |
42 |
-- |
|
16 |
91 |
82 |
76 |
68 |
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58 |
-- |
|
25 |
120 |
108 |
100 |
90 |
77 |
-- |
|
35 |
148 |
133 |
123 |
111 |
95 |
-- |
|
50 |
187 |
168 |
155 |
140 |
120 |
-- |
|
70 |
231 |
208 |
192 |
173 |
148 |
-- |
|
95 |
283 |
255 |
235 |
212 |
181 |
-- |
|
120 |
326 |
293 |
271 |
237 |
209 |
-- |
Note: 1. The cable cross section can be selected according to 1.1~1.2 times of the calculated current.
2. The cable cross section can also be selected according to the minimum setting current of electrical components in the loop.
3. The temperature in the drawer is generally: 55~65 0C.
4. The wires in the drawer of the IP54 cabinet are selected according to the environment where the cable works at 70°C.
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