Emergency Stop Function For Reversing Starter, Category 4 - ABB UMC100.3 Manual

U M C 1 0 0 . 3 U N I V E R S A L M O T O R C O N T R O L L E R T E C H N I C A L D E S C R I P T I O N
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Emergency Stop Function for Reversing Starter, Category 4

Circuit diagram showing safe-tripping with the help of an emergency stop relay.
Carefully read the RT9 manual on how to use this device.
*) Use spark suppression for larger contactors and also interface relays to maintain the service life of the UMC100 and RT9 internal relays.