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SRM□□-12/24 Fully Insulated Fully Sealed Common Box Type Ring Network Switchgear

● SRM□□-12/24 type fully insulated and totally sealed common box type ring network switch cabinet (referred to as inflatable cabinet) is a new generation of miniaturized modular switchgear. It has the advantages of compact structure, fully enclosed, fully insulated, long life, maintenance-free, small footprint, safe and reliable, and not affected by the working environment.

● Suitable for small secondary power stations, opening and closing stations, industrial and mining enterprises, airports, railways, commercial areas, high-rise buildings, highways, subways, tunnels and other fields.

● Implement the GB3906 national standard.

    Project Name C Module F Module V Module CB Module
    Load Switch Combination Switch Vacuum Switch Isolation Earthing Switch Vacuum Circuit Breaker Isolation Earthing Switch
    Rated Voltage (kV) 12/24
    Rated Current (A) 630 125 630   1250/630  
    Power Frequency Withstand Voltage (kV) 42/50
    Lightning Impulse Withstand Voltage (kV) 95/125
    Short-time Withstand Current (kV/S) 25/2   20 16/3 20 16/3 25 20/3 25 20/3
    Short Circuit Breaking Current (kA)   31.5 20/16   25/20  
    Mechanical Life (次 Time) 5000 3000 5000 2000 5000 5000
    SF6 Gas Pressure (bar) 1.4
    Environmental Conditions Temperature 40℃~-25℃   Humidity < 95%

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