7
vacon • 66
Technical data
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
7.2
Brake resistor ratings
Make sure that the resistance is higher than the minimum resistance defined. The power handling
capacity must be sufficient for the application. Brake chopper is available only in three-phase ver-
sion.
Recommended minimum brake resistor values for VACON
®
20 X AC drives:
Table 30. Brake resistor ratings, 208-240V.
Mains Voltage 3AC 208-240 V, 50/60 Hz
Enclosure
size
Type
Minimum Resistance
recommended [Ohm]
MU2
0004
50
0005
50
0007
50
MU3
0011
25
0012
25
0017
25
Table 31. Brake resistor ratings, 380-480V.
Mains Voltage 3AC 380-480 V, 50/60 Hz
Enclosure
size
Type
Minimum Resistance
recommended [Ohm]
MU2
0003
100
0004
100
0005
100
0006
100
0008
100
MU3
0009
50
0012
50
0016
50