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Hitachi SJ300 Selection Chart

Dynamic braking selection chart 1/2 to 15 hp (0.4 to 11 kw).
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SJ300 Dynamic Braking Selection Chart
1/2 to 15 hp (0.4 to 11 kW)
Voltage
Class
Model Number
Motor hp
SJ300-004LFU
SJ300-007LFU
SJ300-015LFU
200
SJ300-022LFU
SJ300-037LFU
SJ300-055LFU
SJ300-075LFU
SJ300-110LFU
SJ300-007HFU
SJ300-015HFU
SJ300-022HFU
400
SJ300-040HFU
SJ300-055HFU
SJ300-075HFU
SJ300-110HFU
Internal Resistor
Braking
Torque @
60 Hz
(Without
External
Braking
Resistor)
Unit
(%)
1/2
Built in
50
1
Built in
50
2
Built in
50
3
Built in
20
5
Built in
20
7.5
Built in
20
10
Built in
20
15
Built in
10
1
Built in
50
2
Built in
50
3
Built in
20
5
Built in
20
7.5
Built in
20
10
Built in
20
15
Built in
10
With Optional External Resistor
External
Resistance
Braking Torque
(ohms)
@ 60 Hz (%)
50
200
50
200
35
200
35
160
35
100
17
80
17
80
17
70
100
200
100
200
100
200
100
140
70
100
70
100
70
70
Minimum Resistance
Minimum
Resistance
Maximum
for 100%
Minimum
Braking
Braking
Resistance
Duty
Duty Cycle
(ohms)
Cycle (%)
(ohms)
50
10
150
50
10
150
35
10
100
35
10
100
35
10
100
17
10
50
17
10
50
17
10
50
100
10
300
100
10
300
100
10
300
70
10
200
70
10
200
50
10
150
50
10
150

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   Summary of Contents for Hitachi SJ300

  • Page 1

    SJ300 Dynamic Braking Selection Chart 1/2 to 15 hp (0.4 to 11 kW) Internal Resistor With Optional External Resistor Minimum Resistance Braking Torque @ Minimum 60 Hz Resistance (Without Maximum for 100% External External Minimum Braking Braking Voltage Braking Resistor) Resistance Braking Torque Resistance...

  • Page 2

    SJ300 Dynamic Braking Selection Chart 20 to 200 hp (15 to 150 kW) Braking Minimum Minimum Torque Resistance Resistance Without Applicable Maximum for 100% Applicable Maximum for 100% External External Minimum Braking Braking External Minimum Braking Braking Voltage Braking Unit Braking Unit Resistance Duty Cycle...

  • Page 3

    SJ300 Dynamic Braking Resistor Selection Chart 200 V Class JRB Series SRB/NSRB Series HRB Series Available Max. Braking Type (& Total Total Max. Duty Type (& Max. Duty Type (& Total Total Duty Model Number Torque (%) Quantity) Ohms Watts Cycle (%) Quantity) Ohms Watts Cycle (%)

  • Page 4

    SJ300 Dynamic Braking Resistor Selection Chart 400 V Class Available JRB Series SRB/NSRB Series HRB Series Braking Torque Type (& Total Total Max. Duty Type (& Max. Duty Type (& Total Total Max. Duty Model Number Quantity) Ohms Watts Cycle (%) Quantity) Ohms Watts Cycle (%)

  • Page 5

    Braking Characteristics using the Following SERIES/PARALLEL Resistor Combinations in conjuction with Braking Unit BRD-EZ2-55K: HRB4 x (4) (2) parallel (2) series 3200 SJ300-300HFU HRB3 x (6) (3) parallel (2) series 11.3 7200 HRB4 x (4) (2) parallel (2) series 3200 SJ300-370HFU HRB3 x (6) (3) parallel...

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