MV switchgear SESH-80 up to 12 kV

MV switchgear SESH-80 is the most advanced and safest medium voltage switchgear in the product line produced by Electroshield Samara, meeting the highest requirements of both Russian and international standards.

APPLICATION

  • oil and gas industry
  • coal and metallurgical industry
  • power distribution networks of energy complexes
  • industrial enterprises
  • auxiliary power supply systems of power plants, including nuclear power plants

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MV switchgear SESH-80 up to 12 kV - фото 1 MV switchgear SESH-80 up to 12 kV - фото 2 MV switchgear SESH-80 up to 12 kV - фото 3
General description
Technical information

Advantages

  • SAFETY


    • Compliance with two current Russian standards GOST R 55190 and GOST 14693
    • Electrical and mechanical position indicators of all devices (truck, circuit breaker, earthing switch)
    • Internal arc classification IAC AFLR 50 kA 1 sec. (max.) with absorber / deflector
    • Provides personnel protection from four sides in the event of internal arc faults
    • Well-designed system of mechanical and electromagnetic interlocks preventing incorrect operations
    • Remote control of the truck and the earthing switch with CCTV (optional)

  • HIGH RELIABILITY


    • Full scope of type (periodic) tests has been performed in Russian accredited laboratories
    • Additional tests beyond the mandatory test program have also been successfully passed
    • Including seismic withstand, fast automatic transfer switch (Fast ATS), wireless temperature monitoring
    • Making capacity endurance of the earthing switch up to 40 kA - class E1 (two making operations)
    • All major components (circuit breaker, current and voltage transformers, earthing switch) are produced by Electroshield Samara
    • Wireless temperature monitoring is optionally available for online temperature monitoring of contacts and contact connections
  • EASY TO USE


    • Safe discharge of combustion product directly into the existing room without the need of the tunnel for internal arcing gases
    • Unified user interface
    • One-sided / double-sided maintenance
    • No support insulators in the busbar compartment
    • Simple access to documentation via digital passport

  • DIGITAL OPTIONS


    CONTACT CONNECTION TEMPERATURE MONITORING SYSTEM


    • Overheating alarm
    • Data collection from the entire switchgear
    • Support for MODBUS-TCP, IEC-60870, IEC-61850

    WIRELESS TEMPERATURE SENSORS


    • Wireless data transmission
    • Continuous temperature monitoring
    • No additional power supply required

    MOTOR DRIVE OF THE TRUCK AND EARTHING SWITCH


    • Remote control
    • Safe operation

    DIGITAL TWIN OF MV SWITCHGEAR SESH-80


    • Condition-based maintenance (CBM)
    • Actual technical state evaluation of the switchgear cubicle

    DIGITAL PASSPORT


    • Online access to the documentation via QR-code
    • Prevents loss of technical documentation

    CCTV


    • Maximum personnel safety
    • Switchgear cubicle condition monitoring
    • Remote operational maintenance

Technical Characteristics

Characteristic MV switchgear SESH-80-10H (with roll-on-floor VCB) MV switchgear SESH-80-10C
Rated voltage, kV up to 12 up to 12
Rated current of main circuits, A 630; 800; 1000; 1250; 1600; 2000; 3150; 4000 630; 800; 1000; 1250; 1600; 2000
Rated short-circuit breaking current, kA 20; 25; 31,5; 40; 50 20; 31,5
Overall dimensions (W×H×D, mm) 600 (750, 1000) × 2715 × 1650 600 (750, 1000) × 2800 × 1400

List of sets of equipment

Component Type
Vacuum circuit breakers VVU-SESH (spring mechanism); VVM-SESH-10 (magnet latch)
Current transformers for MV switchgear SESH-80-10H TOL-SESH-10; TSHL-SESH
Current transformers for MV switchgear SESH-80-10C TPL-SESH
Voltage transformers for MV switchgear SESH-80-10H NOL-SESH; ZNOL-SESH-10; 3хZNOL-SESH; NALI-SESH-10
Voltage transformers for MV switchgear SESH-80-10C ZNOL-SESH; NALI-SESH
Zero-sequence current transformers TZLK(R)-SESH
Auxiliary transformers TLS-SESH
Microprocessor-based protection relays KIT-R-A (by LLC «NPP KIT»)
Arc fault protection KIT-ZDZ (by LLC «NPP KIT»)
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Technical Characteristics

Characteristic MV switchgear SESH-80-10H (with roll-on-floor VCB) MV switchgear SESH-80-10C
Rated voltage, kV up to 12 up to 12
Rated current of main circuits, A 630; 800; 1000; 1250; 1600; 2000; 3150; 4000 630; 800; 1000; 1250; 1600; 2000
Rated short-circuit breaking current, kA 20; 25; 31,5; 40; 50 20; 31,5
Overall dimensions (W×H×D, mm) 600 (750, 1000) × 2715 × 1650 600 (750, 1000) × 2800 × 1400
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443048, Самарская область, г.о. Самара, вн. р-н Красноглинский, п. Красная Глинка, кв-л 2, зд.37, офис 221
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