Brake Chopper Ratings For Mains Voltage 380-500 - Danfoss VACON NXS Series Operating Manual

Operating Guide | VACON® NXS/NXP Air-cooled
12.9.3 Brake Chopper Ratings for Mains Voltage 380–500 V
Table 59: Brake Chopper Ratings for VACON
Enclosure size Drive type
FR4 0003
0004
0005
0007
0009
0012
FR5 0016
0022
0031
FR6 0038
0045
0061
FR7 0072
0087
0105
FR8 0140
0168
0205
FR9 0261
0300
FR10 0385
0460
0520
FR11 0590
0650
0730
1
When using recommended resistor types. Peak power capability of the brake chopper can be calculated with DC-link voltage (Udc) and brake resistor resistance Rb by Udc
2
P=U /R.
196 | Danfoss A/S © 2020.02
®
NXS/NXP AC Drives, Mains Voltage 380–500 V, 50/60 Hz, 3~
The minimum brake resistance [Ω]
63
63
63
63
63
63
63
63
42
19
19
14
6.5
6.5
6.5
3.3
3.3
3.3
2.5
2.5
1.4
1.4
1.4
0.9
0.9
0.9
Specifications
Brake power @845 V DC [kW]
(1)
1.5
2.2
3.0
4.0
5.5
7.5
11.0
11.3
17.0
22.0
30.0
37.0
45.0
55.0
75.0
90.0
110.0
132.0
160.0
200.0
250.0
315.0
355.0
400.0
450.0
500.0
AQ275638903263en-000301 / DPD00910
2
/Rb;