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

B A S I C C I R C U I T D I A G R A M S 141

Emergency Stop Function for Direct 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.