SIEMENS 3AH5 Vacuum Circuit-Breakers Medium-Voltage Equipment Brand New
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SIEMENS 3AH5 Vacuum Circuit-Breakers Medium-Voltage Equipment
3AH5 standard circuit-breaker from 12 to 36 kV – The Economical
3AH5 vacuum circuit-breakers control all switching duties in medium-voltage systems.
They are applicable for operation of e.g. overhead lines, cables, transformers,generators, capacitors, filter circuits, motors and reactors.
Here, small short-circuit ratings in distribution systems face high breaking currents in industrial systems.
The 3AH5 vacuum circuit-breaker is a real all-round device in its field of application. With its compact dimensions, it fits in all customary switchgear types.
The comprehensive variety of types with different normal currents and short-circuit currents as well as various pole-centre distances for voltage levels from
12 kV to 36 kV enables its universal application for all mediumvoltage requirements.
Order number structure
The 3AH5 vacuum circuit-breakers consist of a primary and a secondary part. The relevant data make up the 16-digit
order number. The primary part covers the main electrical data of the circuit-breaker poles. The secondary part covers
the auxiliary devices which are necessary for operating and controlling the vacuum circuit-breaker.
Order codes
Individual equipment versions, marked with “9” or “Z” in the 9th to 16th position, are explained more in detail by a 3-digit
order code. Several order codes can be added to the order number in succession and in any sequence.
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