Siemens SIMOTICS T-1FW3 - Page 303

Electrical connection
8.3 System integration
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
301
Cross-section
Current-carrying capacity rms; AC 50/60 Hz or DC for routing type
[mm
2
]
B1 [A]
B2 [A]
C [A]
E [A]
50
117
103
125
133
70
149
130
160
171
95
180
165
194
207
120
208
179
225
240
Power (according to IEC 60364-5-52)
150
-
-
259
1)
276
1)
185
-
-
296
1)
315
1)
> 185
Values must be taken from the standard
1)
Extrapolated values
Table 8- 2 Derating factors for power and signal cables
Ambient air temperature [°C]
Derating factor as stated in Table D1 according to EN
60204-1
30
1.15
35
1.08
40
1.00
45
0.91
50
0.82
55
0.71
60
0.58
Note
Routing cables in humid/moist environments
If the motor is mounted in a humid environment, the power and signal cables must be routed
as shown in the following f
igure.
Figure 8-2 Principle of cable routing in a wet/moist environment