Application Wiring Apparatus & Options
22 23
Dynamic Braking Resistor
Dynamic braking uses the case of increase braking torque, frequently ON/OFF and large inertial load.
In case of light load
1
2
3
1.5 kW
2.2 kW
3.7 kW
50
Ω
Ω
50
Ω
Ω
35
Ω
Ω
0.2 kW
0.3 kW
0.6 kW
180
Ω
Ω
100
Ω
Ω
100
Ω
Ω
0.3 kW
0.3 kW
0.6 kW
Motor capacity (kW)
R
Wattage
R
Wattage
Dynamic braking resistance (200 V class)
Dynamic braking resistance (400 V class)
In case of heavy load
1
2
3
1.5 kW
2.2 kW
3.7 kW
50
Ω
Ω
35
Ω
Ω
35
Ω
Ω
0.2 kW
0.6 kW
1.2 kW
180
Ω
Ω
100
Ω
Ω
100
Ω
Ω
0.3 kW
0.6 kW
0.6 kW
Motor capacity (kW)
R
Wattage
R
Wattage
Dynamic braking resistance (200 V class)
Dynamic braking resistance (400 V class)
Specification table
External
resistance
unit
RB0
RB1
RB2
200 W
300 W
600 W
180
Ω
Ω±
±
5%
50
Ω
Ω±
±
5%
35
Ω
Ω±
±
5%
Maximum 10 sec.
Maximum 10 sec.
Maximum 10 sec.
Instance : 0.7 kW
Rating : 200 kW
Instance : 2.6 kW
Rating : 300 kW
Instance : 3.8 kW
Rating : 600 kW
Figure 1
Figure 2
Figure 3
Built-in temperature relay in
resistance. At disorder high
temperature, “open”(b contact)
signal occurred.
Rating contact AC 240 V
3 A (R load)
0.2 A (L load)
DC 36 V 2 A (R load)
Name
Type name Rating capacity
Resistance
Rating continuous
ON time
Consuming power
Protect overheat
Figure
(Fig 1) RB0 Type
(Fig 2) RB1 Type
(Fig 2) RB2 Type
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