Rockwell Automation External Dynamic Brake Resistor Recommended Protection User Manual
Rockwell Automation Equipment
This document, as well as more information about Reliance Electric products, can be
found at www.reliance.com/drives.
Installation Instructions
External Dynamic Brake Resistor Recommended Protection
External Brake Resistor Circuitry
!
ATTENTION: AC drives do not offer protection for externally mounted
brake resistors. A risk of fire exists if external braking resistors are not
protected. External resistor packages must be self-protected from
overtemperature or the protective circuit shown below, or equivalent,
must be supplied.
Power On
R (L1)
S (L2)
T (L3)
Power Source
DB Resistor Thermostat
Power Off
M
M
(Input Contactor) M
Three-Phase
AC Input
AC Drive
Publication D2-3515 - July 2002
Copyright
2002 Rockwell Automation. All rights reserved. Printed in USA.
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