Technical Characteristics - LEGRAND 0 281 64 Mode D'emploi

Protection unit
0 281 70 (factory assembled)
Modbus RS485 Communication option
With communication option it's possible to connect circuit breaker to a ModBus RS485 supervision system .
0 281 99 (factory assembled)
Programmable contacts option
With this option it's possible to manage external devices for signalization and control . It's connected
to protection unit, that allows its setup, through the terminals in the top part of the breaker .
connection terminals:
Please refer to breaker installation manual .
Activation:
The output connections for programmable contacts can be activated modlfying the protection unit
settings,navigating in menu as specified below:
Step 1: Modules ➔ Relay Settings ➔ Function Settings ➔ choose Relay 1 or 2 in contact list ➔
select the options in the function list (Please refer to ch .10 . menu navigation)
Step 2: Modules ➔ Relay Settings ➔ Work Mode ➔ choose Relay 1 or 2 in contact list ➔ select
the options (NO/NC - Stable/Timed) in the function list
Options
NO level
NC level
NO pulse (1÷360s)
NC pulse (1÷360s)

Technical characteristics:

Rated operating voltage Vn (Vac): 230V 5A MAX
(Vac): 110V 0 .5A MAX
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