50 • vacon
INSTALLATION
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5
5.3
Drive derating
The tables below state the maximum coolant temperatures for Vacon liquid-cooled drives at given switch-
ing frequencies. Drive derating is required if the maximum temperatures are exceeded.
Supply voltage 400-500 VAC,
switching frequency 3,6 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 400V
Max coolant temperature [°C]
Supply voltage 500V
CH61 NXP0385_5
47
43
CH62 NXP0730_5
40
37
CH63 NXP1150_5
38
36
CH64 NXP2060_5
37
34
CH64 NXP2300_5
42
40
CH72 NXP0730_5
42
40
CH74 NXP2060_5
37
34
CH74 NXP2300_5
37
34
Table 5-12. Max temperatures of coolant at switching frequency of 3.6 kHz
Supply voltage 400-500 VAC,
switching frequency 1,5 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 400V
Max coolant temperature [°C]
Supply voltage 500V
CH61 NXP0385_5
52
49
CH62 NXP0730_5
47
45
CH63 NXP1150_5
44
42
CH64 NXP2060_5
49
47
CH64 NXP2300_5
44
42
CH72 NXP0730_5
45
43
CH74 NXP2060_5
49
47
CH74 NXP2300_5
44
43
Table 5-13. Max temperatures of coolant at switching frequency of 1.5 kHz
Supply voltage 525-690 VAC,
switching frequency 3,6 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 525V
Max coolant temperature [°C]
Supply voltage 690V
CH61 NXP0261_6
45
39
CH62 NXP0502_6
41
33
CH63 NXP0750_6
42
36
CH64 NXP1500_6
41
34
CH72 NXP0502_6
38
32
CH74 NXP1500_6
41
34
Table 5-14. Max temperatures of coolant at switching frequency of 3,6 kHz
Supply voltage 525-690 VAC,
switching frequency 1,5 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 525V
Max coolant temperature [°C]
Supply voltage 690V
CH61 NXP0261_6
54
51
CH62 NXP0502_6
52
47
CH63 NXP0750_6
53
50
CH64 NXP1500_6
52
47
CH72 NXP0502_6
51
46
CH74 NXP1500_6
52
48
Table 5-15. Max temperatures of coolant at switching frequency of 3,6 kHz
