Lenze 6034 Brake chopper User Manual
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4.3.2. Brake choppers 6033G and 6034G with frequency inverters
8211-8216
L1
U
V
W
+UG
-UG
M
3~
PE
Filter
RB1 RB2 +UG -UG
K1
K1
Brake
resistor
RB
Caution! All power terminals remain
live up to 3 minutes after mains
disconnection
For group drives a motor protection
relay is necessary.
PTC thermistors or thermostats are
recommended for temperature
monitoring
Cable protection fuse
Mains choke
L3
N
PE
8211E to 8218E
6033G
6034G
Motor choke /
motor voltage
filter
The cross section of the PE has to be
at least as large as the cross section
of the power connection
RB
Mains filter
Screened cables and mains filters
are required for radio interference
suppression to EN 55011.
Operation of 8214E and 8218E only
with assigned mains choke
Brake chopper
L1
L2
L2
L3
K1 K1
K1
Mains contactor
PE and screen connection at
inverter
Terminal bus in control cabinet
Motor interconnection: Y at 230/400V
∆
at 400/690V
ϑ
Off
On