Lenze 8250 series Brake unit - Manual (Page 28)

Installation
8250BA0903 4-9
4.3.4 8253 brake chopper on 821X controller
L3
N
PE
L1
L2
U V W
M
3~ PE
8211 - 8218
8253
28 E1 20 PE Z1
X1
Z2
K10
RFR
...
L1 L2 L3 +UG -UG +UG -UG
Z3
PE
PE PE
K10
OFF
ON
RB2 RB1
RB
Z4
K10
J
RB
K10
F1...F3
Fig. 4-5 Connection of 8253 brake chopper to 821X controller
Z1:
Brake chopper
Z2: Controller
Z3: Mains choke
Z4: Brake resistor
K10: Mains contactor
F1 ... F3: Mains fuses (recommended)
J RB Thermal overcurrent release
Brake resistor
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