ABB ACS800-37-0170-3 - Chopper;Resistor combinations - Technical data

Resistor braking
220
Chopper/Resistor combinations – Technical data
The following table contains the technical data of selected chopper/resistor
combinations.
U
N
Chopper(s) Resistors
R
(ohm)
P
brmax
(kW)
P
cont
(kW)
I
max
(A)
Duty cycle
(10/60 s)
Duty cycle
(1/5 min)
Airflow
(m
3
/h)
P
br
(kW)
I
rms
(A)
P
br
(kW)
I
rms
(A)
400 V
1 × NBRA-658 2 × SAFUR210F575 1.7 230 42 384 224 345 130 200 2500
1 × NBRA-659 2 × SAFUR180F460 1.2 353 54 545 287 444 167 257 2500
2 × NBRA-659 2 × (2 × SAFUR180F460) 1.2 706 108 545 575 444 333 257 5000
3 × NBRA-659 3 × (2 × SAFUR180F460) 1.2 1058 162 545 862 444 500 257 7500
500 V
1 × NBRA-658 2 × SAFUR125F500 2.0 268 36 408 192 237 111 137 2500
1 × NBRA-659 2 × SAFUR200F500 1.35 403 54 605 287 355 167 206 2500
2 × NBRA-659 2 × (2 × SAFUR200F500) 1.35 806 108 605 575 355 333 206 5000
3 × NBRA-659 3 × (2 × SAFUR200F500) 1.35 1208 162 605 862 355 500 206 7500
690 V
1 × NBRA-669 2 × SAFUR200F500 1.35 404 54 835 287 355 167 206 2500
2 × NBRA-669 2 × (2 × SAFUR200F500) 1.35 807 108 835 287 355 333 206 5000
3 × NBRA-669 3 × (2 × SAFUR200F500) 1.35 1211 162 835 575 355 500 206 7500
U
N
= Nominal voltage
R = Resistance of specified resistors (per chopper)
P
brmax
= Maximum short-term (1 min every 10 mins) braking power
P
cont
= Maximum continuous braking power
I
max
= Maximum peak current (per chopper)
P
br
= Braking power for the specified duty cycle
I
rms
= Corresponding RMS current (per chopper)
Airflow = Airflow required for cooling of chopper(s) and resistors