Vacon NX User Manual

Installation vacon • 67
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5
5.3 Drive derating
The tables below state the maximum coolant temperatures for VACON
®
Liquid-Cooled drives at
given switching frequencies. Drive derating is required if the maximum temperatures are exceeded.
NOTE! If the heatsink is nickel-coated you must allow for a 2-degree C derating of values in the
tables below.
1)
(Temperatures given in parenthesis). This applies only to the two biggest drive sizes
of each chassis!
Table 25. Max temperatures of coolant at switching frequency of 3.6 kHz
Supply voltage 400-500 VAC, switching frequency 3.6 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 400 V
Max coolant temperature [°C]
Supply voltage 500 V
CH 61 NXP0385_5
47 (45)
1)
43 (41)
1)
CH62 NXP0730_5
40 (38)
1)
37 (35)
1)
CH63 NXP1150_5
38 (36)
1)
36 (34)
1)
CH64 NXP2060_5
44 (42)
1)
42 (40)
1)
CH64 NXP2300_5
42 (40)
1)
40 (38)
1)
CH72 NXP0730_5
42 (40)
1)
40 (38)
1)
CH74 NXP2060_5
37 (35)
1)
34 (32)
1)
CH74 NXP2300_5
37 (35)
1)
34 (32)
1)
Table 26. Max temperatures of coolant at switching frequency of 1.5 kHz
Supply voltage 400-500 VAC, switching frequency 1.5 kHz
Chassis Type
Max coolant temperature [°C]
Supply voltage 400 V
Max coolant temperature [°C]
Supply voltage 500 V
CH61 NXP0385_5
52 (50)
1)
49 (47)
1)
CH62 NXP0730_5
47 (45)
1)
45 (43)
1)
CH63 NXP1150_5
44 (42)
1)
42 (40)
1)
CH64 NXP2060_5
49 (47)
1)
47 (45)
1)
CH64 NXP2300_5
44 (42)
1)
42 (40)
1)
CH72 NXP0730_5
45 (43)
1)
43 (41)
1)
CH74 NXP2060_5
49 (47)
1)
47 (45)
1)
CH74 NXP2300_5
44 (42)
1)
43 (41)
1)

Vacon NX Specifications

General

Product Type	AC Drive
Control Method	Scalar Control
Enclosure	IP00, IP21
Communication	Ethernet
Safety	STO (Safe Torque Off)
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short Circuit
Ambient Temperature Range	-10°C to +50°C (with derating above +40°C)
Cooling Method	Air-cooled, Liquid-cooled