Vacon NX User Manual

Technical data vacon • 23
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4
I
th
= Thermal maximum continuous RMS current. Dimensioning can be done according to this current if the
process does not require any overloadability or the process does not include any load variation or margin for
overloadability.
I
L
= Low overloadability current. Allows +10% load variation. 10% exceeding can be continuous.
I
H
= High overloadability current. Allows +50% load variation. 50% exceeding can be continuous.
All values with cosϕ = 0.83 and efficiency = 97%.
*) c = power loss into coolant; a = power loss into air; T = total power loss; power losses of input chokes not
included. All power losses obtained using max. supply voltage, I
th
and switching frequency of 3.6 kHz and
Closed Loop control mode. All power losses are worst case losses.
If some other mains voltage is used, apply the formula P = x Un x In x cos
ϕ x eff% to calculate the VACON
®
NX Liquid-Cooled drive output power.
The enclosure class for all VACON
®
NX Liquid-Cooled AC drives is IP00.
If the motor is continuously (besides start and stop ramps) run at frequencies below 5 Hz, pay attention to the
drive dimensioning for low frequencies, i.e. maximum I
H
= 0.66*I
th
or choose drive according to I
H
. It is
recommended to check the rating with your nearest distributor.
Drive overrating may also be necessary if the process requires high starting torque.
2470_5 2470 2245 1647 1300 1600 38.8/2.2/41.0 2*CH74
2950_5 2950 2681 1967 1550 1950 46.3/2.6/48.9 2*CH74
3710_5 3710 3372 2473 1950 2450 58.2/3.0/61.2 2*CH74
4140_5 4140 3763 2760 2150 2700 65.0/3.6/68.6 2*CH74
Table 6. Power ratings of VACON
®
NX Liquid-Cooled AC drive (12-pulse),
supply voltage 400-500 VAC
Mains voltage 400-500 VAC, 50/60 Hz, 3~, 12-pulse drives
AC drive type
Drive output
Power loss
c/a/T
*)
[kW]
Chassis
Current Motor output power
Thermal
I
th
[A]
Rated cont. I
L
[A]
Rated
contin. I
H
[A]
Optimum
motor at I
th
(400 V) [kW]
Optimum
motor at I
th
(500 V) [kW]
0460_5 460 418 307 250 315 6.5/0.5/7.0 CH72
0520_5 520 473 347 250 355 7.5/0.6/8.1 CH72
0590_5 590 536 393 315 400 9.0/0.7/9.7 CH72
0650_5 650 591 433 355 400 10.0/0.7/10.7 CH72
0730_5 730 664 487 400 450 12.0/0.8/12.8 CH72
1370_5 1370 1245 913 700 900 19.0/1.2/20.2 CH74
1640_5 1640 1491 1093 850 1050 24.0/1.4/25.4 CH74
2060_5 2060 1873 1373 1050 1350 32.5/1.8/34.3 CH74
2470_5 2470 2245 1647 1300 1600 38.8/2.2/41.0 2*CH74
2950_5 2950 2681 1967 1550 1950 46.3/2.6/48.9 2*CH74
3710_5 3710 3372 2473 1950 2450 58.2/3.0/61.2 2*CH74
4140_5 4140 3763 2760 2150 2700 65.0/3.6/68.6 2*CH74
Table 5. Power ratings of VACON
®
NX Liquid-Cooled AC drive (6-pulse),
supply voltage 400-500 VAC
Mains voltage 400-500 VAC, 50/60 Hz, 3~, 6-pulse drives
3

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