Danfoss VACON NXP IP00 - Brake Chopper Ratings

12.11 Brake Chopper Ratings
12.11.1 Brake Chopper Ratings for Mains Voltage 208–240 V
Table 66: Brake Chopper Ratings for VACON
®
NXP Drive Modules, Mains Voltage 208–240 V, 50/60 Hz, 3~
Enclosure size
Drive type
The minimum brake resistance [Ω]
Brake power @405 V DC [kW]
(1)
FR8
0140
1.4
37.0
0170
1.4
45.0
0205
1.4
55.0
FR9
0261
1.4
75.0
0300
1.4
90.0
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
/Rb.
12.11.2 Brake Chopper Ratings for Mains Voltage 380–500 V
Table 67: Brake Chopper Ratings for VACON
®
NXP IP00 Drive Modules, Mains Voltage 380–500 V, 50/60 Hz, 3~
Enclosure size
Drive type
The minimum brake resistance [Ω]
Brake power @845 V DC [kW]
(1)
FR8
0140
3.3
90.0
0168
3.3
110.0
0205
3.3
132.0
FR9
0261
2.5
160.0
0300
2.5
200.0
FR10
0385
1.4
250.0
0460
1.4
315.0
0520
1.4
355.0
FR11
0590
0.9
400.0
0650
0.9
450.0
0730
0.9
500.0
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
/Rb; P=U
2
/R.
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Specifications
VACON® NXP IP00 Drive Modules
Operating Guide