PFSK162 3BSE015088R1 ABB Functional module spare parts

Product Details

Product Description

Product Description
PFSK162 3BSE015088R1 ABB Functional module spare parts
PFSK162 3BSE015088R1 ABB Functional module spare parts
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Electrical and mechanical durability
Mechanical durability
The mechanical durability of an apparatus is expressed by the number of noload operating cycles (each operating cycle consists of one closing and opening
operation) which can be effected before it becomes necessary to service or
replace any of its mechanical parts (however, normal maintenance may be
permitted).
Electrical durability
The electrical durability of an apparatus is expressed by the number of on-load
operating cycles and gives the contact resistance to electrical wear under the
service conditions stated in the relevant product Standard.
A circuit-breaker must control and protect, in case of faults or malfunctioning,
the connected elements of a plant. In order to perform this function, after
detection of an anomalous condition, the release intervenes in a definite time
by opening the interrupting part.
The protection releases fitted with ABB SACE moulded-case and air circuitbreakers can control and protect any plant, from the simplest ones to those