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5.3.3. Standard fittings for fixed circuit-breakers
The basic versions of the fixed circuit-breakers are three-pole and fitted
with:
– EL type manual operating mechanism
– mechanical signalling device for closing springs charged/discharged
– mechanical signalling device for circuit-breaker open/closed
– closing pushbutton
– opening pushbutton
– operation counter
– set of ten circuit-breaker open/closed auxiliary contacts.
Note
With the group of ten auxiliary contacts, as standard, and the maximum of the
requested applications, the following are available: three opening contacts
(signalling circuit-breaker open) and five closing contacts (signalling circuit-
breaker closed).
– lever for manual closing spring charging
– auxiliary circuit support terminal box.
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