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Operating Guide | VACON® NXS/NXP Air-cooled
12.9.2 Brake Chopper Ratings for Mains Voltage 208–240 V
Table 58: Brake Chopper Ratings for VACON
Enclosure size
Drive type
FR4
0003
0004
0007
0008
0011
0012
FR5
0017
0025
0031
FR6
0048
0061
FR7
0075
0088
0114
FR8
0140
0170
0205
FR9
0261
0300
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
Danfoss A/S © 2020.02
®
NXS/NXSP AC Drives, Mains Voltage 208–240 V, 50/60 Hz, 3~
The minimum brake resistance [Ω]
30
30
30
30
30
30
30
30
20
10
10
3.3
3.3
3.3
1.4
1.4
1.4
1.4
1.4
Specifications
Brake power @405 V DC [kW]
(1)
0.55
0.75
1.1
1.5
2.2
3.0
4.0
5.5
7.5
11.0
15.0
22.0
22.0
30.0
37.0
45.0
55.0
75.0
90.0
AQ275638903263en-000301 / DPD00910| 195
2
/Rb.
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