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02.01.01 Circuit breakers VA88 and additional devices

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02.01.01 Circuit breakers VA88 and additional devices
Moulded case circuit breakers (MCCB) VA88 are intended for conducting current in normal mode and switching it off at short circuits, overload, inadmissible bucking as well as operational actuation and tripping of electric circuit parts. They are designed for use in electric units having the operative voltage limited to 400V per rated current from 12,5 to 1600A. Correspond to the requirements of EN 60947-1, EN 60947-2.
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Total: 124 Go to page: 12 3 413
Блокировка механич. МБм-125 2-х ВА88-32 MASTER IEK
SVA10D-BM-3-0125-02
Блокировка механич. МБм-125 2-х ВА88-32 MASTER эл. расц. IEK
SVA11D-BM-3-0125-02
Блокировка механич. МБм-250 2-х ВА88-35 MASTER IEK
SVA30D-BM-3-0250-02
Блокировка механич. МБм-250е ВА88-35 MASTER эл. р. IEK
SVA31D-BM-3-0250-02
Блокировка механич. МБм-400 2-х ВА88-37 MASTER IEK
SVA40D-BM-3-0400-02
Блокировка механич. МБм-400е/630е ВА88-39 MASTER эл. р. IEK
SVA41D-BM-3-0400-02
Блокировка механич. МБм-630/800 2-х ВА88-40 MASTER IEK
SVA70D-BM-3-0630-02
Блокировка механич. МБм-800е 2-х ВА88-40 MASTER эл. р. IEK
SVA71D-BM-3-0630-02
Air circuit breaker VA07-208 fixed with undervoltage trip 3P 800A 65kA IEK
SAB231-0800-U11H-P11
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz: 65 kA
Number of auxiliary contacts as change-over contact: 4
Number of poles: 3
Nominal rated current: 800 A
Выкл. авт. ВА07-212 выдвиж с мин. расц. 3P 1250А 65кА ИЭК
SAB230-1250-U11H-P11
Rated permanent current Iu: 1250 A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz: 65 kA
Number of poles: 3
Total: 124
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All types of the units with a rated current of 3200 A have the same depth of 345 mm and a height of 460 mm. The size of the hole in the board for the front panel is the same for all switches of VA07 series, that facilitates the installation of the equipment in the junction box.
All types of the units with a rated current of 3200 A have the same depth of 345 mm and a height of 460 mm. The size of the hole in the board for the front panel is the same for all switches of VA07 series, that facilitates the installation of the equipment in the junction box.
Basic complete sets of the supply provide that the main contacts for devices up to 3200 A are installed in horizontal position, and for the current of 4000 A - in vertical position. Front-face and the combined connection is possible as well.
Basic complete sets of the supply provide that the main contacts for devices up to 3200 A are installed in horizontal position, and for the current of 4000 A - in vertical position. Front-face and the combined connection is possible as well.
Double Break system ensures quick break of short circuit current arc by splitting the arch into halves through opening at two points of each pole. This reduces contact wear and reduces their erosion.
Double Break system ensures quick break of short circuit current arc by splitting the arch into halves through opening at two points of each pole. This reduces contact wear and reduces their erosion.
Main contacts can easily be replaced, thus extending the life of the circuit breaker. Replacement of each contact takes no more than 15 minutes.
Main contacts can easily be replaced, thus extending the life of the circuit breaker. Replacement of each contact takes no more than 15 minutes.
The use of electronic release providing the following functions:
- protection against continuous overload;
- short-circuit protection;
- adjustable function of instantaneous trip.
The use of electronic release providing the following functions: - protection against continuous overload; - short-circuit protection; - adjustable function of instantaneous trip.
The use of two transformers on each pole. The first transformer is linear which controls the current signal. It provides a high grade of accuracy over the entire range of short circuit currents. The second transformer is designed to power the electronic trip unit.
The use of two transformers on each pole. The first transformer is linear which controls the current signal. It provides a high grade of accuracy over the entire range of short circuit currents. The second transformer is designed to power the electronic trip unit.
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