27.5 kV switchgear
27.5 kV switchgear manufactured by PLUTON are provided for reception and distribution of AC electric energy of 50 Hz power frequency, with rated voltage of 27.5 kV.
27.5 kV switchgear provide reliability and uninterrupted power supply, safety of operation and convenience of service, as well as meet the international requirements and standards.
Benefits:
- application of vacuum circuit breaker produced by SIEMENS;
- maximum protection against accidental touch to live parts;
- maximum maintenance safety due to interlockings system, that prevent faulty actions of personnel;
- resistance to emergency arc impact;
- switchgear are tested for arc impact in the independent test center;
- protected enclosed casing, resistant to environmental impact.
Design features:
- free access to all functional groups of equipment;
- possibility of switchgear built-on equipment manual control when compartments doors are closed;
- single-sided maintenance;
- vacuum circuit breaker is installed on trolley;
- sliding shutter for maintenance safety.
- indoor vacuum circuit breakers designed for rated voltage of 27.5 kV;
- circuit breakers require almost no maintenance;
- vacuum circuit breaker drive mechanism is of a spring type;
- high quality vacuum tube is installed in a molded case made of insulating material and is protected against extreme environmental conditions and damage;
- circuit-breaker pole can be completely dismantled as one unit.
3AH47 vacuum circuit breakers are manufactured in E2, S1, C2 classes according to IEC 62271-100 and exceed M2 wear resistance class by six times (10,000 / 20,000 / 60,000 switching operations).
Depending on the design, 3AH47 vacuum circuit breaker can withstand up to 60,000 switching operations.
3AH47 vacuum circuit breakers comply with the following standards: EN 50152-1, IEC 62271-100, IEC 62271-1, BS 5311, VDE 0671.
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