STEP ET Series - Page 30

Chapter 4 Wiring of Inverter
Shanghai Sigriner STEP Electric Co., Ltd.
- 20 -
Inverter model
EP6/ET6
Inverter
capacity (kW)
Braking unit
Braking resistor (10% utilization
rate)
Specification
Quantity
(pcs)
Equivalent braking
Resistor specification
Quanti
ty
(pcs)
4T039
15
1560W 40Ω
1
4T045
18.5
4800W 32Ω
1
4T060
22
4800W 27.2Ω
1
4T075
30
6000W 20Ω
1
4T089
37
BKU-4045
1
9600W 16Ω
1
4T103
45
BKU-4045
1
9600W 13.6Ω
1
4T140
55
BKU-4030
2
6000W 20Ω
2
4T168
75
BKU-4045
2
9600W 13.6Ω
2
4T208
90
BKU-4110
1
18kW 6.7Ω
1
4T250
110
BKU-4110
1
25kW 5Ω
1
4T304
132
BKU-4220
1
40kW 3.4Ω
1
4T377
160
BKU-4220
1
40kW 3.4Ω
1
4T414
200
BKU-4220
1
48kW 3Ω
1
4T477
220
BKU-4220
1
48kW 3Ω
1
4T520
250
BKU-4110
2
25kW 5Ω
2
4T605
280
BKU-4220
2
40kW 3.4Ω
2
4T675
315
BKU-4220
2
40kW 3.4Ω
2
For the braking time in a braking cycle accounting for 20%, the external brake unit and braking
resistor configuration is shown in Table 2-3.
Table 2-3 400V class braking unit and braking resistor configuration
Inverter model
EP6/ET6
Inverter
capacity (kW)
Braking unit
Braking resistor (20% utilization
rate)
Specification
Quantity
(pcs)
Equivalent braking
Resistor specification
Quanti
ty
(pcs)
4T4A1
1.1
Built-in
260W 470Ω
1
4T5A6
1.5
390 W 340 Ω
1
4T7A2
2.2
520W 230Ω
1
4T9A4
3
780W140Ω
1
4T012
4
780W 140Ω
1
4T018
5.5
1040W 90Ω
1
4T023
7.5
1560W 70Ω
1
4T031
11
2000W 47Ω
1
4T039
15
3000W 34Ω
1
4T045
18.5
9600W 28Ω
1
4T060
22
9600W 24Ω
1
4T075
30
12.5kW 17Ω
1
4T089
37
BKU-4045
1
20kW 15Ω
1
4T103
45
BKU-4030
2
10kW 24Ω
2
4T140
55
BKU-4045
2
12.5kW 18Ω
2
4T168
75
BKU-4110
1
36kW 6.7Ω
1
4T208
90
BKU-4045
3
12.5kW 18Ω
3
4T250
110
BKU-4045
3
12.5kW 16Ω
3
4T304
132
BKU-4220
1
80kW 3.5Ω
1
4T377
160
BKU-4220
1
80kW 3.2Ω
1