Siemens 6SE7087-8KN50 Instructions De Service page 300

Technical Data
Permissible rated current in %
105
100
95
90
85
80
75
70
65
60
55
34 35 36
Supply temperature in °C
Water
20 % Mixture -10 °C
33 % Mixture -20 °C
44 % Mixture -30 °C
NOTE
11-14
Derating Curve Water IP54
37 38 39 40
Fig. 11-5 Reduction curve 2 applying to installation in IP54 cabinets
The maximum coolant temperature is 50 °C for IP22 cubicles and
46 °C for IP54 cubicles!
1
41 42 43 44
6SE7087-7KN50
Operating Instructions
08.2008
45 46 47
Siemens AG
SIMOVERT MASTERDRIVES
48