Omron VARISPEED L7 Manual page 46

Connecting a Braking Resistor and Braking Unit (CDBR)
A Braking Resistor and Braking Unit can be connected to the Inverter like shown in the
To prevent overheating of the braking unit/braking resistor, the inverter operation should be stopped when the
overload contacts are operated.
200 V and 400 V Class Inverters with 3.7 to 18.5 kW Output Capacity
200 V and 400 V Class Inverters with 22 kW or higher Output Capacity
Inverter
Fig 2.7 Connecting the Braking Resistor and Braking Unit
Braking Resistor
Inverter
CDBR Braking Unit
Thermal overload
relay contact
Fig
Thermal over-
load relay contact
Braking Resistor
2.7.
2
Thermal overload
relay contact
15
2-