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Fully insulated, fully sealed, gas-filled metal switchgear

Brief description:Product OverviewThe MTS-12□ fully insulated and sealed gas-filled metal switchge

Basic Information

Product Model

MTS-12□ type

type

self-production

Release time

2026-03-05

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Detailed introduction

Product Overview

The MTS-12□ fully insulated and sealed gas-filled metal switchgear (hereinafter referred to as the "gas cabinet") is a new type of medium-voltage ring main unit developed by our company based on advanced foreign technologies. It utilizes fully automatic laser cutting machines, CNC sheet metal processing centers, fully automatic welding machines, SF6 gas automatic maintenance equipment, various advanced testing instruments, and a supporting advanced flexible assembly production line. Additionally, CAD, CAM, and other systems are employed to control the company's production and management, effectively ensuring the high quality and reliability of the ring main switchgear.

Main purposes

This gas-filled cabinet is suitable for three-phase AC 50Hz, rated voltage 12kV power distribution equipment. It is widely used in processing industries, civilian cable ring networks, and power supply terminals. It is particularly suitable for small secondary distribution stations, switching stations, industrial and mining enterprises, urban residential areas, airports, railways, tunnels, high-rise buildings, and other power systems for receiving and distributing electrical energy.

Product Features

The MTS-12□ gas-filled cabinet utilizes SF6 gas as the arc-extinguishing and insulating medium. The switch cabinet features a fully sealed and fully insulated structure. The cavity is filled with SF6 gas at an absolute pressure of 1.4 bar, achieving a protection level of IP67. The switchgear is completely unaffected by external environmental conditions, ensuring normal operation even under extreme conditions such as short-term water immersion;

The switch cabinet is equipped with a comprehensive "five-prevention" interlocking device to prevent personnel and equipment malfunctions that may arise from human misoperations;

Therefore, the switch cabinet is equipped with a reliable safety pressure relief channel, which can ensure the personal safety of personnel even in extreme situations;

· Switch cabinets typically have front-access wiring, but can also be configured for side-outlet or side-expansion depending on different installation locations;

The switch cabinet can be equipped with electric, remote control, and monitoring devices according to different user needs.

Technical parameters

Note: (1) Depends on the current rating of the fuse   (2) Limited by high-voltage fuses
projectunitC moduleF moduleV moduleCB module
load switchcombined electrical apparatusvacuum switchIsolating/grounding switchvacuum circuit breakerIsolating/grounding switch
rated voltageKV12/2412/2412/2412/2412/2412/24

rated frequency

HZ505050505050
Power frequency withstand voltageKV42/6542/6542/6542/6542/6542/65
Lightning impulse withstand voltageKV75/12575/12575/12575/12575/12575/125
rated currentA630/630Note: (1)630/630
1250/12501250/1250
Rated closed-loop breaking currentA630/630




Rated cable charging breaking currentA10
50/40


Rated short-circuit making current (peak value)A63/57.5Note: (2)50
63/50
Rated peak withstand currentKA50


63
Rated short-time withstand currentKA/3S20
20/1620/1625/2025/20
Rated short-circuit breaking currentKA
Note: (2)20


Rated transfer currentA
1700/1800



Maximum current for fuse protectionA
125/100



mechanical lifetime5000300050002000100005000


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  • Company Name:

    SHENZHEN METSENG ELECTRIC CO., LTD.

  • Hotline:

    0755-28265956

  • Company Address:

    103, 2nd Floor, Building C, Wataokeng New Planning Area, Wulian Community, Longgang Street, Longgang District, Shenzhen

  • E-mail:

    54404945@qq.com

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