LCX9000 Liquid-Cooled Drives User Manual
MN04005001E
For more information visit:
www.EatonElectrical.com
2-19
January 2007
Drive Derating
The tables below state the maximum coolant temperatures for Cutler-Hammer liquid-cooled
drives at given switching frequencies. Drive derating is required if the maximum
temperatures are exceeded.
Table 2-14: Maximum Temperatures of Coolant at Switching Frequency of 3.6 kHz
Table 2-15: Maximum Temperatures of Coolant at Switching Frequency of 1.5 kHz
Chassis
Type
Max. Coolant Temperature (°C)
@ Supply Voltage
Max. Coolant Temperature (°C)
@ Supply Voltage
Supply Voltage 400 – 500V AC
CH61
LCX385A0-4
47 @ 400V
43 @ 500V
CH62
LCX730A0-4
40 @ 400V
37 @ 500V
CH63
LCXH11A0-4
38 @ 400V
36 @ 500V
CH64
LCXH20A0-4
37 @ 400V
34 @ 500V
CH64
LCXH23A0-4
42 @ 400V
40 @ 500V
CH72
LCX730A0-4
42 @ 400V
40 @ 500V
CH74
LCXH20A0-4
37 @ 400V
34 @ 500V
CH74
LCXH23A0-4
37 @ 400V
34 @ 500V
Supply Voltage 525 – 690V AC
CH61
LCX261A0-5
45 @ 525V
39 @ 690V
CH62
LCX502A0-5
41 @ 525V
33 @ 690V
CH63
LCX750A0-5
42 @ 525V
36 @ 690V
CH64
LCXH15A0-5
41 @ 525V
34 @ 690V
CH72
LCX502A0-5
38 @ 525V
32 @ 690V
CH74
LCXH15A0-5
41 @ 525V
34 @ 690V
Chassis
Type
Max. Coolant Temperature (°C)
@ Supply Voltage
Max. Coolant Temperature (°C)
@ Supply Voltage
Supply Voltage 400 – 500V AC
CH61
LCX385A0-4
52 @ 400V
49 @ 500V
CH62
LCX730A0-4
47 @ 400V
45 @ 500V
CH63
LCXH11A0-4
44 @ 400V
42 @ 500V
CH64
LCXH20A0-4
49 @ 400V
47 @ 500V
CH64
LCXH23A0-4
44 @ 400V
42 @ 500V
CH72
LCX730A0-4
45 @ 400V
43 @ 500V
CH74
LCXH20A0-4
49 @ 400V
47 @ 500V
CH74
LCXH23A0-4
44 @ 400V
43 @ 500V
Supply Voltage 525 – 690V AC
CH61
LCX261A0-5
54 @ 525V
51 @ 690V
CH62
LCX502A0-5
52 @ 525V
47 @ 690V
CH63
LCX750A0-5
53 @ 525V
50 @ 690V
CH64
LCXH15A0-5
52 @ 525V
47 @ 690V
CH72
LCX502A0-5
51 @ 525V
46 @ 690V
CH74
LCXH15A0-5
52 @ 525V
48 @ 690V