ETL600 1KHW001489-EN
ABB Switzerland Ltd
6.6.3.3.4.
Alarm relays cable V9OT
Fig. 6-20
Connections to the alarm relays of P4LT
Caution
Connecting a load between terminals NO (normally
open) and NC (normally closed) is not allowed.
Use only one contact set NO or NC.
Caution
Power supplies connected to alarm relay contacts
must be short circuit and over current protected.
Assembly and Installation
November 2005
6-25
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