QUINT4-PS/1AC/48DC/5
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PHOENIX CONTACT
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13.4.2 Thermomagnetic circuit breaker, type: Siemens 5SY, ABB
S200
The cable lengths determined are based on the following parameters:
Maximum distance l [m] with circuit breaker
Conductor cross section
A [mm²]
0.75
1.0
1.5
2.5
AWG
19
18
16
14
Siemens 5SY
A1
198
265
397
663
A1.6
133
177
266
444
A2
109
145
218
364
A3
75
100
150
250
A4
43
58
87
146
A6
20
27
40
68
B2
57
76
115
191
C1
40
53
80
133
C1.6
17
23
34
58
C2
12
17
25
42
ABB S200
C1
27
36
54
91
C1.6
10
14
21
35
Z1
176
235
352
587
Z1.6
116
155
233
389
C2
98
131
197
329
C3
65
87
131
219
C4
37
50
75
126
C6
16
22
33
55
Tripping:
magnetic
DC correction factor (0 Hz):
Siemens = 1.4; ABB = 1.5
Characteristics:
A, B, C, Z
Characteristic A (3 times the rated current) x correction factor
Characteristic B (5 times the rated current) x correction factor
Characteristic C (10 times the rated current) x correction factor
Characteristic Z (3 times the rated current) x correction factor
Ambient temperature:
+20
°C
Internal resistance R
i
of the device circuit
breaker:
taken into consideration
Comments:
In addition to the short-circuit current, the power supply unit also supplies
half the nominal current for load paths connected in parallel.
