Chapter 7 Optional AccessoriesC2000-HS
7-2
The optional accessories listed in this chapter are available upon request. Installing additional
accessories to your drive substantially improves the drive’s performance. Select accessories according to
your need or contact the local distributor for suggestions.
7-1 All Brake Resistors and Brake Units Used in AC Motor Drives
460V
Applicable
Motor
*
1
125% Braking Torque 10% ED *
2
Max. Braking Torque
HP kW
Braking
Torque
[kg-m]
Brake
Unit
*
3
Braking Resistor series for
each Brake Unit
Resistor value
spec. for each
AC motor Drive
Total
Braking
Current [A]
Min.
Resistor
Value [Ω]
Max. Total
Braking
Current [A]
Peak
Power
[kW]
*
4
VFDB
40 30 20.3 - BR1K0W016*4
2 parallel,
2 series
4000W 16Ω 47.5 14.1 54 41.0
50 37 25.1 4045*1 BR1K2W015*4
2 parallel,
2 series
4800W 15Ω 50 12.7 60 45.6
100 75 50.8 4045*2 BR1K2W015*4
2 parallel,
2 series
9600W 7.5Ω 100 6.3 120 91.2
150 110 74.5 4110*1 BR1K2W015*10
5 parallel,
2 series
12000W 6Ω 126 6.0 126 95.8
215 160 108.3 4160*1 BR1K5W012*12
6 parallel,
2 series
18000W 4Ω 190 4.0 190 144.4
300 220 148.9 4110*2 BR1K2W015*10
5 parallel,
2 series
24000W 3Ω 252 3.0 252 190.5
475 355 240.3 4185*2 BR1K5W012*14
7 parallel,
2 series
42000W 1.7Ω 450 1.7 450 344.2
Table 7-1
*1.
Calculation for 125% braking toque: (kW) * 125% * 0.8; where 0.8 is motor efficiency.
Because there is a resistor limit of power consumption, the longest operation time for 10%ED is 10sec. (on: 10sec/ off: 90sec.).
*2.
Please refer to the Chapter 7 “Brake Module and Brake Resistor” in application manual for “Operation Duration & ED” vs.
“Braking Current”.
*3.
For heat dissipation, a resistor of 400W or lower should be fixed to the frame and at a surface temperature below 250°C; a
resistor of 1000W and above should be fixed on a surface with temperature below 350°C.
*4.
Please refer to VFDB series Braking Module Instruction for more detail on braking resistor.
NOTE
1. Specification and appearance of brake resistors
1-1 Wirewound resistor: for 1000W and above. Refer to the following appearance of wirewound resistor
(Figure7-1) and its model and specification comparison table (Table 7-2) for details.
A
B
C
D
H
F
K
G
E
L
Figure 7-1
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