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HXGN17-12 Series
Metal-enclosed Ring Main Unit Switchgear

HXGN17-12 Series Metal-enclosed Ring Main Unit Switchgear


HXGN17-12 Series Metal-enclosed Ring Main Unit Switchgear is suitable for power systems with a voltage of 12kVAC (50Hz). It is mainly used in three phase AC ring main network, distribution network and industrial electrical equipment., for distributing electric energy and protecting functions. It is also suitable for installing into cubical substations.

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Basic Parameters

Rated voltage: 12KV

Rated frequency: 50Hz

Rated normal current: 630A

Auxiliary circuit power frequency withstand voltage (1min): 2KV

Mechanical lifetime: 10000 Times

Working voltage of electric operating mechanism: 220/110V

Ingress protection ratings: IP2X


The switchgear adopts a assembled structure, which is light and beautiful, and can be installed in any combination, which is convenient for unlimited expansion.

The switchgear 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. Small size, maintenance-free, three-phase linkage structure, with obvious isolation fracture.

Load switches and combined electrical appliances can be installed flexibly, and can be installed on the left or right sides, upright or upside down (FZN25 cannot be upside down).

The switchgear can be operated manually and electrically, and can have remote remote control function.

Equipped with complete and reliable mechanical linkage and interlocking devices, which fully achieve the "five level protection" function.

When the load switch is closed, the grounding switch cannot be closed and the front door cannot be opened; when the load switch is opened, the grounding switch can be closed.

When the grounding switch is closed, the load switch cannot be closed and the front door panel can be opened; when the grounding switch is opened, the load switch can be opened and closed, but the front door panel cannot be opened.

When the cable enters through the bottom and the incoming cable is live, no matter the load switch is in the closing or opening position, the electromagnetic lock will lock the front door panel so that it cannot be opened. (Except for emergency unlocking with a special key).

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

The switchgear adopts frontal operation and maintenance, and reliable wall installation.

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

Application Environment

Ambient temperature: -25℃~+40℃

Altitude: ≤1000m

Relative humidity: daily average ≤95%, monthly average ≤90%

Installation site: no severe vibration and impact, and no fire, chemical corrosion, explosion and other dangers.

* If you need to customize according to your special needs, please contact us.

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