External brake chopper (18K5 and above models)
Technical data
Voltage class 3P 380 V -15 %...480 V +10 % power supply; 50 / 60 Hz ±5 %
Brake chopper model-FELB
FELB02.1N-30K0-NNONE-A-560-
NNNN (30K0)
FELB02.1N-45K0-NNONE-A-560-
NNNN (45K0)
Input and
output
specifications
Peak current [A] 50 75
Rated current [A] 15 25
Braking start-up voltage 630 / 660 / 690 / 730 / 760 V ± 16 V
Maximum hysteresis About 16 V
Synchronous signal
Coupled input, coupled output, up to 3 brake choppers at most can be
set to operate in parallel
Power supply DC BUS voltage range 460...800 VDC
Protection
Overheat of heat sink It is active when the temperature exceeds +85 °C
Fault output RELAY junction 0.6 A 125 VAC / 2 A 30 VDC (T1, T2)
Indication
functions
Power ON
When voltage (more than 100 V), on the PCB DC mains lead terminal
flows in the red “POWER” indicator lights on
Braking ON When brake chopper works, the green “BRAKING” indicator lights on
Tab. 10-4: Technical specifications
Dimensions and weight
Fig. 10-8: Dimensions diagram
Brake chopper
typecode
Dimensions [mm]
Weight [kg]
B H T b h A
30K0
103 215 158 78 200 185 2.5
45K0
Tab. 10-5: Dimensions and weight
DOK-RCON02-FV*********-IB08-EN-P Bosch Rexroth AG 197/259
Rexroth Frequency Converter Fv
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