PFSK160A 3BSE009514R1 ABB Online hot sale of robot system spare parts

Product Details

Product Description

Product Description
PFSK160A 3BSE009514R1 ABB Online hot sale of robot system spare parts
PFSK160A 3BSE009514R1 ABB Online hot sale of robot system spare parts
Our Email: 2235954483@qq.com
contact number:13313705507
contacts：HE
Rated ultimate short-circuit breaking capacity (Icu)
The rated ultimate short-circuit breaking capacity of a circuit-breaker is the
maximum short-circuit current value which the circuit-breaker can break twice
(in accordance with the sequence O – t – CO), at the corresponding rated
operational voltage. After the opening and closing sequence the circuit-breaker
is not required to carry its rated current.
Rated service short-circuit breaking capacity (Ics)
The rated service short-circuit breaking capacity of a circuit-breaker is the
maximum short-circuit current value which the circuit-breaker can break three
times in accordance with a sequence of opening and closing operations (O - t
- CO - t – CO) at a defined rated operational voltage (Ue) and at a defined
power factor. After this sequence the circuit-breaker is required to carry its
rated current.
Rated short-time withstand current (Icw)
The rated short-time withstand current is the current that the circuit-breaker in
the closed position can carry during a specified short time under prescribed
conditions of use and behaviour; the circuit-breaker shall be able to carry this
current during the associated short-time delay in order to ensure discrimination
between the circuit-breakers in series.
Rated short-circuit making capacity (Icm)
The rated short-circuit making capacity of an equipment is the value of shortcircuit making capacity assigned to that equipment by the manufacturer for the
rated operational voltage, at rated frequency, and at a specified power-factor
for ac.
Utilization categories
The utilization category of a circuit-breaker shall be stated with reference to
whether or not it is specifically intended for selectivity by means of an intentional
time delay with respect to other circuit-breakers in series on the load side,
under short-circuit conditions (Table 4 IEC 60947-2).
Category A - Circuit-breakers not specifically intended for selectivity under
short-circuit conditions with respect to other short-circuit protective devices in
series on the load side, i.e. without a short-time withstand current rating.
Category B - Circuit-breakers specifically intended for selectivity under shortcircuit conditions with respect to other short-circuit protective devices in series
on the load side, i.e. with and intentional short-time delay provided for selectivity
under short-circuit conditions. Such circuit-breakers have a short-time withstand
current rating.

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