General:
KYN1-12 drawable type AC metal clad switchgear is used in 10kV, three phases, 50Hz power supply system for 
controlling, transmission and distribution. With several year's experiences on improving design, this kind of 
switchgear is suitable to be used in frequent operations specially and a new type of reinforced insulation and 
busbar with bypass has been developed update.
The design and structure of the switchgear conforms to IEC standards and GB 3906-91 standards. It has
welding and package structure. The protection level of its enclosure is IP2X. It consists of trolley, front cubicle,
back cubicle, instrument room of relay and the small busbar room on its ceiling. The front switchgear and the
back switchgear are connected by bolts, the instrument room of relay and the body are connected by vibration
absorber; Other parts are separated by steel sheets. It has the function of aerial incoming and outgoing line,
cable incoming and outgoing and liaison between left parts and right parts.

Structure:
The enclosure of KYN1-12 indoor AC metal-clad draw-out switchgear is welded by bent steel plates. It consists 
of four parts: instrument compartment, front compartment, rear compartment and truck compartment. A kind of 
bolt connection is used in between the front compartment and the rear compartment. And a kind of shock 
absorber is used in between the instrument compartment and the enclosure. Steel plates separate each 
compartment. Several schemes could be available, such as overhead incoming and outgoing, cable incoming 
and out-going, contact to left or contact to right, etc.
 
Product feature:
KYN1-12 truck type 10KV HV Switchgear is complied with International Standards as well as Nation Standards.
It is a draw out truck trolley cubicle. Both of the enclosure and isolating plate of each functional units is made of
2.5mm cold rolled steel sheet, the surface is treated with phosphatization, anticorrosion, static plastic-pouring;
Each part is connected by bolt of high intensity. It is featured by beautiful looking, easy installation and
maintenance.

The frame of the trolley is made of cold rolled steel sheets in the process of punching and welding. The trolley
has separate exhaust passage to the ceiling. Varieties of trolley have the same height and depth, so truck with
the same specification can be interchanged. There are isolating position, testing position and working position
inside the trolley, each of them has orientation device and position indicator. The trolley can be seen on each
position as well as seen on the position indicator. When the trolley goes into the switchgear, the enclosure can
be connected with earthing system of the switchgear. There are controlling indicator and off and on indicator of
the spring mechanism of the circuit breaker on the panel of the truck.

The guide rails of the circuit breaker room are firm and flat. The truck can run smoothly on the working position
and testing position. The valve is made up of nonmetallic insulating epoxy plates. When the truck is on the
isolating position/ testing position, the static contact and the moving contact of the major loop are isolated by
valve; When the truck enters into the working position, the valve opens automatically. The off and on condition
of the circuit breaker, off and on mechanical position indicators and stored energy/ released energy indicator
can be seen on the panel of the trolley. Only when the isolating plates between the truck room and cable
compartment are pulled out, can the worker get into the switchgear to install or maintain the cable.

On the upper part of the trolley room, busbar room and cable room, there is compression release device. When
the internal fault arc occurs in the circuit breaker or busbar room and cable room, the compression release
metal plates at the ceiling opens automatically.

Ordering notice:
Please provide the followings
A. Main wiring scheme code, single line system diagram, pareto diagram and layout plan.
B. Secondary principle diagram, terminal pareto diagram. If without it, conform with the manufacturer's terminal
pareto diagram.
C. The type, specification and quantity of the electrical components of switchgear.
D. Summary table of electrical equipment.
E. Please provide span and height dimensions if busbar bridge(between two ranks of switchgear or between
switchgear and wall) is needed.
F. Please indicate if switchgear shall be on the special condition.
G. Please indicate type and quantity of other accessories, if necessary.  

Main Technical Data:
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