Metal-Clad Switchgear Cubicles

Mustakbeli-branded Air-Insulated Metal-Clad (MCL) Series switchgear units are designed in accordance with the IEC 62271-200 standard for use at voltages up to 40.5 kV. With flexible, project-specific design options, they efficiently meet diverse application requirements.

MCL Series Metal-Clad switchgear units are manufactured for use in facilities where maximum service continuity and safety are paramount. Designed for indoor applications, these units offer ideal solutions for power distribution in demanding environments—such as power generation plants, utility substations, cement and petrochemical facilities, mines, airports, railways, and shopping centers. They also provide effective control and protection for transformers, capacitors, and motors.

Description

ASTOR MCL Series Metal Clad Switchgear Advantages

  • Provides uninterrupted service continuity within the electrical network.
  • Offers optimized investment efficiency throughout the service life of the facility.
  • Enables remote monitoring and control system integration for medium voltage substations.
  • Provides high current and short circuit withstand capability up to 31.5 kA / 3 seconds.
  • Ensures maximum personnel safety by allowing other compartments to remain energized while
    one compartment is accessible.
  • Features withdrawable type switching elements that can be easily replaced between panels.
  • Maintenance, repair and installation operations can be performed from the front or rear side
    of the switchgear cells.
  • Modular design enables easy selection of components suitable for different applications.

New Generation Metal Clad Switchgear

ASTOR continues to create innovative solutions in medium voltage switching systems by
combining engineering expertise with advanced designs.

ASTOR Metal Clad Switchgear cells stand out with their flexible design, high service
continuity and safety levels, and are offered worldwide for 12 kV and 24 kV voltage classes.

With TÜBİTAK supported projects, KEMA type test certificates and compact 40.5 kV Metal Clad
Switchgear solutions, ASTOR provides reliable energy solutions in Turkey and across the world.

Technical Specification ASTOR MCL40 ASTOR MCL24 ASTOR MCL12
Rated Voltage 40.5 kV 24 kV 12 kV
Rated Busbar Current 1250-2500 A 1250-2500 A 1250-2500 A
Rated Lightning Impulse Withstand Voltage 185 kV 125 kV 75 kV
Rated Power Frequency Withstand Voltage 95 kV 50 kV 28 kV
Rated Short Time Withstand Current 31.5 kA / 1s 31.5 kA / 1s 31.5 kA / 1s
Rated Peak Withstand Current 62.5-80 kA 62.5-80 kA 62.5-80 kA
Arc Test Current 31.5 kA / 1s 31.5 kA / 1s 31.5 kA / 1s
Degree of Protection of Enclosure IP4X IP4X IP4X
Partitioning Class PM PM PM