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Chapter 2
2.2.5 Selection and wiring of dynamic braking resistor (on 0.4 kW to 22 kW models)
The SJ700D-3 series inverter models with capacities of 0.4 to 22 kW have an internal dynamic braking circuit.
Connecting an optional dynamic braking resistor to RB and P terminals increases the braking torque.
Model
Motor
SJ700D-****
capacity
FF/FEF/FUF3
(kW)
004L
0.4
007L
0.75
015L
1.5
022L
2.2
037L
3.7
055L
5.5
075L
7.5
110L
11
150L
15
185L
18.5
220L
22
007H
0.75
015H
1.5
022H
2.2
037H/040H
3.7
055H
5.5
075H
7.5
110H
11
150H
15
185H
18.5
220H
22
Without a resistor
With a resistor connected
connected
Resistance of
Braking torque
connected
(%)
resistor (Ω)
20
48
20
48
20
32
20
32
20
32
20
16
20
10
10
10
10
7.5
10
7.5
10
5
20
100
20
100
20
100
20
70
20
70
20
70
10
50
10
35
10
35
10
35
Minimum connectable
Braking torque
Resistance
(％)
150 over
150 over
150 over
150 over
110
140
150 over
110
110
90
110
150 over
150 over
150 over
150 over
130
150 over
130
140
140
110
2-22
Installation and Wiring
Minimum
resistor
resistance
during
BRD usage
continuous
rate
(Ω)
operation
(％)
(Ω)
48
10
150
48
10
150
32
10
100
32
10
100
32
10
100
16
10
50
10
10
50
10
10
50
7.5
10
35
7.5
10
35
5
10
35
70
10
300
70
10
300
70
10
300
70
10
200
70
10
200
35
10
150
35
10
150
24
10
100
24
10
100
20
10
100
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