ABB Switzerland Ltd 1KHW001489-EN ETL600
Caution
Power supplies connected to alarm relay contacts
must be short circuit and over current protected.
P1LA
DANGER
Hazardous voltages and/or hazardous energy level
at the heat sink.
Do not touch during operation.
DANGER
Heat sink should not be touched with conducting
materials to avoid energy discharges and damage of
the power amplifier.
Caution
hot surface
Hot surface at heat sink
O4LE
DANGER
The phone interface on the module O4LE generates
dangerous voltage up to 100 V. Don’t operate the
module without upper and lower cover plate. Do not
touch the open pins of the service phone connector,
the leads of its cable, the pins of the external cable
connector and the leads of the external cable.
G4AI
DANGER
Hazardous voltages and/or hazardous energy level
on the module and the cable.
Do not touch the module and the cable leads.
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.
Commissioning
Caution
Do not close/establish the connections to the
protection devices until NSD600 is properly
commissioned.
6-4 November 2005 Assembly and Installation
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