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Revision July 2008, EG03, SW V1.06 B-1
Appendix B Accessories
B.1 All Brake Resistors & Brake Units Used in AC Motor Drives
Note: Please only use DELTA resistors and recommended values. Other resistors and values will void
Delta’s warranty. Please contact your nearest Delta representative for use of special resistors. For
instance, in 460 V series, 100 HP, AC drive has 2 brake units with total of 16 brake resistors, so each
brake unit uses 8 brake resistors. There should be at least 10 cm away from AC drive to avoid
possible noise. Refer to the “Brake Unit Module User Manual” for further detail.
Applicable
Motor
Voltage
HP kW
ÌFull
Load
Torque
KG-M
Equivalent
Resistors
Specification
for Each AC
Drive
Brake Unit
Model VFDB
No. of Unit
Used
Brake
Resistors Model
No. of Units Used
Brake
Torque
10%ED%
Minimum
Equivalent
Resistor Value
for Each AC
Drive
7.5 5.5 3.111
500W 100Ω
BR500W100
1
125
60Ω
10 7.5 4.148
1000W 75Ω
BR1K0W075
1
125
45Ω
15 11 6.186
1000W 50Ω
BR1K0W050 1 125
50Ω
20 15 8.248
1500W 40Ω
BR1K5W040 1 125
40Ω
25 18.5 10.281
4800W 32Ω
4030 1
BR1K2W008 4 125
32Ω
30 22 12.338
4800W 27.2Ω
4030 1
BR1K2W6P8 4 125
27.2Ω
40 30 16.497
6000W 20Ω
4030 1
BR1K5W005 4 125
20Ω
50 37 20.6
9600W 16Ω
4045 1
BR1K2W008 8 125
16Ω
60 45 24.745
9600W 13.6Ω
4045 1
BR1K2W6P8 8 125
13.6Ω
75 55 31.11
12000W 10Ω
4030 2
BR1K5W005 8 125
10Ω
100 75 42.7
19200W 6.8Ω
4045 2
BR1K2W6P8 16 125
6.8Ω
120 90 52.5
13500W 5Ω
4132 1 BR1K5W005 9 120
5Ω
150 110 61
21600W 4Ω
4132 1 BR1K2W008 18 120
4Ω
175 132 73.5
21600W 4Ω
4132 1 BR1K2W008 18 100
4Ω
215 160 89
21600W 3.4Ω
4132 1 BR1K2W6P8 18 97
3.4Ω
250 185 103
27000W 2.5Ω
4132 2 BR1K5W005 18 115
2.5Ω
460V Series
300 220 122.5
27000W 2.5Ω
4132 2 BR1K5W005 18 96
2.5Ω