Armored Removable AC Metal-Enclosed Switchgear
  • Armored Removable AC Metal-Enclosed SwitchgearArmored Removable AC Metal-Enclosed Switchgear

Armored Removable AC Metal-Enclosed Switchgear

As a leading manufacturer based in China, Keeya proudly introduces the Armored Removable AC Metal-Enclosed Switchgear—a customizable solution that combines cutting-edge technology with affordability. At Keeya, we understand the importance of tailored solutions, and our commitment to customization is exemplified in the design of this switchgear.

Model: KYN61-40.5KV Switchgear

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Product Description

Keeya, a distinguished manufacturer in China, proudly introduces the Armored Removable AC Metal-Enclosed Switchgear—a versatile and customizable solution designed for robust power distribution. As manufacturers, Keeya places a strong emphasis on customization to meet the unique needs of our clients. Our commitment to providing tailored solutions is matched by our dedication to affordability. The Armored Removable AC Metal-Enclosed Switchgear reflects Keeya's promise to deliver high-quality products at a low price point. This makes Keeya a trusted choice for those seeking both flexibility and cost-effectiveness in their switchgear solutions, ensuring reliable performance in various applications.


KYN61-40.5 (Z)armored removable AC metal-enclosed switchgear (hereinafter referred to as switchgear) is a complete set of indoor power distribution equipment of AC 50Hz three phase with rated voltage of 40.5KV.It's mainly used for power plants, substations and industrial and mining enterprises to receive and distribute electric energy so as to control protect and monitor the circuit, and it also can be used for frequent operation places.The switchgear meets the standards of GB3906-2006,GB/T11022-2011 and DL/T404-2018


Main Feature

● The cabinet structure adopts the assembled type, and the circuit breaker adopts the handcart Boor type structure;

● It equips with a new type composite insulated vacuum circuit breaker, and with the characteristics of good interchangeability and easy replacement;

● A screw nut pushing mechanism is installed in the handcart frame, which can easily move the handcart and prevent mis-operation from damaging the propulsion structure;

● All operations can be carried out when the cabinet door is close;

● The interlocking between the main switch, handcart and switch cabinet door adopts mandatory mechanical locking method to meet the "Pve prevention" function;

● The cable room has ample space and can connect multiple cables;

● Fast grounding switch is used for grounding and closing short circuit;

●The protection level of the casing is IP3X, and the protection level is IP2X when the door of the handcart room is open;

● The product complies with GB3906-2006, DL/T404-2018and refers to the international IEC298 standard.


Service condition

● Ambient temperature: upper limit+40℃ , and the average value measured within 24 hours does not exceed 35℃,lower limit-10℃;

● Altitude: no more than1000m above sea level;

● Relative humidity: daily average not more than 95%, monthly average not more than 90%;

● Earthquake intensity: not more than 8 degrees;

● Water vapor pressure: daily average not more than 2.2kPa, and monthly average not more than 1.8kPa;

● Surrounding environment: no Pre or explosion risk, no serious pollution, no chemical corrosion or violent vibration.


Technical parameter

Main technical paremeter of vacuum switch cabinet

No. Item Unit Value
1 Rated voltage kV 40.5
2 Rated current A 1250 1600 2000
3 Rated frequency Hz 50
4 Rated short time withstand current kA 20 25 31.5
5 Rated peak withstand current kA 50 63 80
6 Rated power frequency withstand voltage kV 95/1min
7 Rated lightning impulse withstand voltage kV 185
8 Rated short circuit duration s 4
9 Protection level kA IP3X


Main technical parameter of vacuum circuit breaker

No. Item Unit Value
1 Rated voltage kV 40.5
2 Rated frequency Hz 50
3 Rated power frequency withstand voltage kV 95/1min
4 Rated lightning impulse withstand voltage kV 185
5 Rated current A 1250 1600 2000
6 Rated short time withstand current kA 20 25 31.5
7 Rated short circuit breaking current kA 20 25 31.5
8 Rated peak withstand current kA 50 63 80
9 Rated short circuit duration ms 4
10 Opening time ms 30≤t≤60
11 Closing time ms 50≤t≤60
12 Rated short circuit breaking current time Time 20
13 Mechanical life Time 10000


Switch cabinet installation

● Height of the electrical room:≥4500mm;

● Distance between the back of the cabinet and the wall:≥1500mm;

● Flatness of the foundation frame:≤ 1mm/m²;

● The embedded channel steel of the foundation shall not exceed 3mm above the ground;

● It can be Pxed on the foundation by bolting or welding; Switchgear weighs about1800kg;

● Width of switchgear operating corridor (single column):≥3000mm, double column (face to face)≥4000mm.


Ordering instruction

Please specify when ordering:

● Main circuit solution number, purpose, single line system diagram, arrangement diagram and distribution room layout diagram;

● Auxiliary circuit wiring schematic diagram, terminal arrangement diagram;

● Type, speciPcation and quantity of electrical components in the switchgear;

● Requirements for control, measurement and protection functions of switchgear and other latching and automatic devices;

● If bus tray connection is needed between switchgear or incoming line cabinet, Data such as rated carrying capacity of bus tray, span of bus tray and height from ground shall be provided;

● When accessories and spare parts are needed, the model and quantity should be put forward;

● Switchgear used in special environmental conditions should be detailed when ordering.




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