Chapter 6 Peripherals Components 
 6-2  
6.3 Braking unit and braking resistor 
Braking Unit 
Braking resistor 
Specification 
Inverter 
Model 
Model 
Number 
used 
Suitable 
Motor
Capacity
(HP) 
Suitable 
Motor
Capacity 
(KW)
(W) (Ω)
umber 
used
Braking 
resistor 
Duty 
Cycle (%) 
Braking torque
(%) 
20P5 -  - 0.5 0.375 60 200 - 8  218 
2001 -  - 1 0.75 60 200 - 8  119 
2002 -  - 2 1.5 150 100 - 10  119 
2003 -  - 3 2.2 200 70 - 9  116 
4001 -  - 1 0.75 60 750 - 8  125 
4002 -  - 2 1.5 150 400 - 10  119 
4003 -  - 3 2.2 200 250 - 8  128 
4005 -  - 5 3.7 300 150 - 8  127 
4008 -  - 7.5 5.5 500 100 - 8  125 
4010  -  - 10 7.5 600 80 - 8  119 
4015  -  - 15 11 1200 50 - 8  125 
          
 
※ Formula for brake resistor: W= (Vpnb * Vpnb) * ED% / R 
1. W: braking resistor power (Watts) 
2. Vpnb: braking voltage (220V=380VDC, 440V=760VDC) 
3. ED%: braking effective period 
4. R: braking resistor rated ohms