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J. T. Eaton LCX9000 User Manual Page 41

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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
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