Non-regenerative front end vacon • 181
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
11
11.6 Non-regenerative Front End unit technical data
The technical data for the non-regenerative front end unit, see table below.
Table 72. Technical data
Mains connection
Input voltage U
in
2 x 3ph 400…690 VAC (–10%…+10%);
Input frequency 45…66 Hz
Output connection
Output voltage
U
in
x 1.35
Output frequency DC-voltage
DC bank capacitance 4800μF
Control
characteristics
External NXP control
Run/Stop
Control and supervision for external DC precharging
circuit
Control and supervision for external ACB's
DC-voltage supervision
Input phase and undervoltage supervision
Choke temperature supervision
Unit temperarture supervision
Fan operation supervision
Optional current monitor
Current capacity
Input current
I
th
2 x 1000A
AC
Output current
I
th
2400A
DC
Overload No overload
Power losses
Power loss into coolant: 5.7 kW
Power loss into air: 0.5 kW
Power losses of the chokes: see Table 76.
Ambient
conditions
Ambient operating
temperature
–10 °C (no frost)…+50 °C (at I
th
)
The NX Liquid-Cooled drives must be used in an
heated indoor controlled environment.
Installation
temperature
0...+70 °C
Storage temperature –40 °C…+70 °C; No liquid in heatsink under 0 ºC
Relative humidity 5 to 96% RH, non-condensing, no dripping water
Air quality:
• chemical
vapours
•mechanical
particles
No corrosive gases
IEC 60721-3-3, unit in operation, class 3C2
IEC 60721-3-3, unit in operation, class 3S2 (no
conductive dust allowed)
Altitude
400...500 V: 3000m ASL; in case network is not corner
grounded
500...690 V: max. 2000m ASL
Vibration 5…150 Hz
Shock
EN 50178, EN 60068-
2-27
UPS Drop Test (for applicable UPS weights)
Storage and shipping: max 15 G, 11 ms (in package)
Enclosure class IP00/Open
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