Pm240-2 And Pm240P-2 Power Modules: Current Reduction As A Function Of The Installation Altitude And Ambient Temperature - Siemens SINAMICS G120 Operating Instructions Manual

Low voltage converters built-in and wall mounting units with cu230p-2 control units
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10.9.2
PM240-2 and PM240P-2 Power Modules: Current reduction as a function of the
installation altitude and ambient temperature
Current reduction as a function of the installation altitude and ambient temperature
At installation altitudes above 1000 m and temperatures higher than 40° C (low overload) or
50° C (high overload), the inverter output current is reduced. The following tables contain the
details.
Table 10-78 Maximum permitted output current for loading according to LO
Installation
altitude [m]
Table 10-79 Maximum permitted output current when loading according to HO
Installation
altitude [m]
Also observe the maximum permissible ambient operating temperatures for the Control Unit
and possibly the Operator Panel.
Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
20
25
up to
1000
1500
2000
100
2500
100
3000
100
98
3500
98
92
4000
91
86
20
25
up to
1000
1500
2000
2500
100
3000
100
3500
98
94
4000
91
88
10.9 Restrictions for special ambient conditions
Ambient temperature [°C]
30
35
40
Output current in [%] when loading to LO
100
100
95
97
90
98
91
85
92
86
80
86
81
75
81
75
70
Ambient temperature [°C]
30
35
40
Output current in [%] when loading to HO
100
100
100
99
98
94
96
92
88
90
86
83
84
81
77
Technical data
45
50
55
93
85
76
88
81
72
83
77
68
79
72
64
74
68
60
69
64
57
65
60
53
45
50
55
87
95
83
95
90
78
89
85
74
84
80
70
79
75
65
74
70
61
60
66
63
59
56
53
50
46
60
74
70
67
63
59
56
52
511

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