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Hitachi SJ300-037HFE Benutzerhandbuch

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SJ300 Inverter
Motor C
ontrol
Acc
e
ssor
ies
5–7
SJ300
Dynamic Braking 
Selection Tables
The SJ300 Series 200V and 400V class inverter models in the 1/2 to 15 hp range have internal 
braking units. Additional stopping torque is available by adding external resistors. The required 
braking torque depends on your particular application. Other tables in this section will help you 
choose the proper resistor.
1/2 to 15 hp (0.4 to 11 kW)
Without
External Resistor
Using Optional
 External Resistor
Performance @ 
Minimum Resistance
Minimum 
Resistance 
@ 100% 
Braking 
Duty 
Cycle, 
Ohms
Voltage 
Class
Model Number
Motor 
hp
Braking 
Unit
Braking 
Torque
@ 60Hz, 
%
External 
Resistance, 
Ohms
Braking 
Torque 
@60Hz,
%
Minimum 
Resistance, 
Ohms
Max. 
Braking 
Duty 
Cycle, 
%
200V
SJ300–004LFU
1/2
Built-in
50
50
200
50
10
150
SJ300–007LFU
1
Built-in
50
50
200
50
10
150
SJ300–015LFU
2
Built-in
50
35
200
35
10
100
SJ300–022LFU
3
Built-in
20
35
160
35
10
100
SJ300–037LFU
5
Built-in
20
35
100
35
10
100
SJ300–055LFU
7.5
Built-in
20
17
80
17
10
50
SJ300–075LFU
10
Built-in
20
17
80
17
10
50
SJ300–110LFU
15
Built-in
10
17
70
17
10
50
400V
SJ300–007HFU/E
1
Built-in
50
100
200
100
10
300
SJ300–015HFU/E
2
Built-in
50
100
200
100
10
300
SJ300–022HFU/E
3
Built-in
20
100
200
100
10
300
SJ300–040HFU/E
5
Built-in
20
100
140
70
10
200
SJ300–055HFU/E
7.5
Built-in
20
70
100
70
10
200
SJ300–075HFU/E
10
Built-in
20
70
100
50
10
150
SJ300–110HFU/E
15
Built-in
10
70
70
50
10
150