Fixed Type Ring Main Unit Switchgear

The fixed type ring main unit switchgear is a complete set of AC high-voltage equipment with a rated voltage of 12kV and a rated frequency of 50Hz. It is mainly used in three-phase AC ring network, terminal distribution network and industrial power equipment, and plays the role of receiving,...

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Description

Fixed Type Ring Main Unit Switchgear_

Conditions of use of ring main unit switchgear:

1. The upper limit of ambient temperature is +40℃, and the lower limit is -15℃;

2. The altitude is not more than 1000m;

3. The daily average value of relative temperature is not more than 95%, and the monthly average value is not more than 90%;

4. Places without fire, explosion hazard and severe vibration;

5. The surrounding air has no obvious pollution such as corrosive or flammable gas, water vapor and conductive dust.

Structural features of ring main unit switchgear:

1. It adopts a fully assembled structure, which is light and beautiful, and can be installed in any combination, which is convenient for unlimited expansion and extension;

2. It can be equipped with FN12-12 type compressed air load switch and combined electrical appliances, and can also be equipped with FZN25-12 type vacuum load switch and combined electrical appliances;

3. Small size, maintenance-free, three-phase linkage structure, with obvious isolation fracture;

4. Load switches and combined electrical appliances have flexible installation methods, which can be installed on the left and right sides, front or upside down (FZ N 25 cannot be upside down);

5. It can be operated manually and electrically, and can have remote remote control function;

6. Equipped with complete and reliable mechanical linkage and interlocking devices, fully achieving the "five prevention" function;

7. The load switch adopts linkage protective insulating valve or transparent insulating cover to shield the live contacts to ensure personal safety;

8. Adopt frontal operation and maintenance, reliable wall installation;

9. The front door is equipped with an observation window, which can clearly observe the working condition of the components in the cabinet.

Ring Main Unit Switchgear