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INSTALLATION REFERENCE
EATON
Powerware
®
225 kVA PDU Installation and Operation Manual
S
164201629 Rev D
www.powerware.com
A−54
TB2
NOTE
Alarm relay contacts have a maximum current rating of 5A and a
switched voltage rating of 30 Vac and 28 Vdc.
NOTE
Alarm relay wiring should be a minimum of 22 AWG
.
NOTE
Do not directly connect relay contacts to the mains related
circuits. Reinforced insulation to the mains is required.
NOTE
Relay is shown in de−energized state. By default, the relay
changes state when a panelboard or subfeed breaker overload occurs.
Alarm
Relay
3
1
2
Alarm Relay NC
Alarm Relay Return
Alarm Relay NO
Figure A-39. Typical Alarm Relay Connection
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