KYN61-40.5(Z)type alternating-currcnt melal-clad and metal-enclosed withdrawable switchgear is a indoor complete set of power distribution unit of three-phase AC50Hz and rated voltage of 40.5kV. Used for reociving and distributing the electric energy in power plants, transformer substations,mining and industrial enterprises, etc., it controls, protects and detects the circuits, also is applicable to frequent operation locations. This switchgear complies with GB/T11022-1999,GB3906-1991,DL404-1997,etc.
1. Cabinet structure is of assembled type, the circuit breaker adopts floor type handcart structure;
2. Equipped with brand new composite insulated vacuum circuit breaker, is featured with good interchange ability, and is simple to change;
3. The handcart frame is mounted with lead screw nut propelling mechanism, it is able to move the handcart easily, and prevent damage of propelling mechanism caused by misoperation;
4. All operations can be carried out when the cabinet door is closed;
5. Interlocking among the main switch, handcart and switchgear adopts compulsory mechanical locking mode, meeting the "five preventions" function;
6. Cable chamber is large enough, it could connect multi cables;
7. The fast earthing switch is used for earthing and circuit short-circuit;
8.The protection level of the shell is IP3X, and when the handcart door is open, the protection level is IP2X;
9. The product complies with GB3906-1991, DL404-1997 and refers to IEC-298.
Use environmental conditions
1. Ambient temperature:-10ºC~+40ºC,average value measure within 24h should not exceed 35°C;
2.Altitude: ≤1000m;
3. Relative humidity:daily≤95%, monthly≤90%;
4. Seismic intensity:≤s8;
5. Vapor pressure: daily≤2.2kPa, monthly≤1.8kPa.
6. Ambient environment: the installation site should be free of fire, explosive danger,serious pollution, chemical corrosion or severe vibration.
Rated voltage |
kV |
40.5 |
Rated current |
A |
1250 1600 2000 |
Rated frequency |
Hz |
50 |
Rated short-time withstand current |
kA |
20 25 31.5 |
Rated peak withstand current |
kA |
50 63 80 |
Rated power frequency withstand voltage |
kV |
95/1 min |
Rated lightning impulse withstand voltage |
kV |
185 |
Rated short-circuit duration |
s |
4 |
Degree of protection |
|
IP3 |
|
|
|
Founded in 2008, registered capital of 108 million CNY, ROOQ electric group.;ltd is a high-tech enterprise specializing in the design, manufacture, sales and service of products such as power transformers, complete sets of electrical appliances, high and low voltage components, and smart city control systems.
Since its establishment, ROOQ has always adhered to product quality first, as the guide of "customer demands". It has successively served for T2 Wenzhou Airport, Ski Resort, Zhejiang National Defense Force, Hangzhou-Wenzhou Railway, Cangnan gymnasium, Country Garden Community, First People's Hospital of Songxi, Tema Road Lighting of Ghana, Presidential Palace of Burundi, Ministry of Energy of Rwanda, National Hospital of Mozambique, Refinery of CNPC in Thailand, State Television of Uzbekistan, Gold mine of Kyrgyzstan, National Data Center of Kazakhstan etc. With years of innovation and professional manufacturing experience, we have more than 20 independent intellectual property rights, and strong advantages in special product customization and EPC power engineering general contracting now. Stable quality assurance and timely delivery capabilities have won widespread trust from users around the world.

