BRAKE CHOPPER UNIT (NXB)
vacon • 137
24-hour s358 (0)40 837 1150 • Email: [email protected]
10
10.4
Brake chopper unit technical data
Input voltage U
in
465…800Vdc (380…500Vac); (–0%…+0%)
640…1100Vdc (525…690Vdc); (–0%…+0%)
Input current
DC I
in
~ I
out
DC bank capacitance
Voltage class 500V:
Voltage class 690V:
CH3 (1): 410 µF
CH3 (2): 600 µF
CH4 (1): 2400 µF
CH4 (2): 5400 µF
CH5: 7200 µF
CH61: 10800 µF
CH62: 10800 µF
CH61: 4800 µF
CH62: 4800 µF
Supply connec-
tion
Starting delay
2…5 s
Output voltage
U
in
~ U
out
Continuous output cur-
rent
I
br
: Max ambient tempe50°C
Resistor con-
nection
Connection order
R1 U – DC+
R2 W – DC-
Control method
Voltage level control, default U
n
+18%
Control charac-
teristics
Parallel BCU
Requires synchronization
Ambient operating tem-
perature
–10°C (no frost)…+50°C (at I
H
)
–10°C (no frost)…+50°C (at I
L
)
Storage temperature
–40°C…+70°C; No liquid in heatsink under 0ºC
Relative humidity
5 to 96% RH, non-condensing, no dripping water
Air quality:
-
chemical vapours
-
mechanical particles
IEC 721-3-3, unit in operation, class 3C2
IEC 721-3-3, unit in operation, class 3S2
•
No conductive dust allowed
•
No corrosive gases
Altitude
100% load capacity (no derating) up to 1,000 m; above
1,000 m derating of 1% per each 100 m required;
Max altitude 3,000 m
Vibration
EN50178/EN60068-2-6
5…150Hz
Displacement amplitude 0.25 mm (peak) at 3…31 Hz
Max acceleration amplitude 1 G at 31…150 Hz
Shock
EN50178, EN60068-2-27
UPS Drop Test (for applicable UPS weights)
Storage and shipping: max 15 G, 11 ms (in package)
Cooling capacity required
See Table 5-6 and
Cooling air required
Contact factory
Ambient condi-
tions
Unit enclosure class
IP00/Open Frame standard in entire kW/HP range
EMC
Immunity
Fulfils all EMC immunity requirements
Safety
CE, UL, EN61800-5-1 (2003)
(see unit nameplate for more detailed approvals)
