Removable Switchgear

The KYN28-12 Modular Switchgear is a sophisticated and advanced medium-voltage switchgear designed for three-phase AC power systems with a rated voltage of 12kV and a frequency of 50Hz .This switchgear is engineered for the reception, distribution, control, protection, and monitoring of electrical energy in various applications such as power plants, substations, airports, terminals, factories, mines, and high-rise buildings .

Key Features of KYN28-12 Modular Switchgear:

1. Compliance with International Standards: The KYN28-12 switchgear adheres to international standards such as IEC298, IEC694, GB3906, and DL/T404, ensuring a high level of safety and performance .

2. Versatile Applications: Suitable for single bus, single bus segmented systems, or dual bus systems, the KYN28-12 can be utilized in a variety of power distribution scenarios .

3. Rugged Construction: The switchgear's outer shell is fully assembled with bolts, providing high mechanical strength and ensuring the product's neatness and aesthetics. The cabinet door is coated with spray coating, offering strong resistance to impact and corrosion, with a protection level of IP4X .

4. Compatibility with Various Circuit Breakers: The KYN28-12 can be equipped with a range of circuit breakers, including ABB's VD4 vacuum circuit breaker, C3 series fixed load switches, and various domestic series vacuum circuit breakers such as VS1, VH1, VK, and ZN28 .

5. Safety and Interlocking Functions: The switchgear has complete and reliable anti-misoperation functions, including interlock protection to prevent the earthing switch from faultily opening and closing the circuit breaker .

6. Technical Specifications: The KYN28-12 offers a range of technical parameters such as a rated voltage of 12kV, a lightning impulse withstand voltage of 75kV, and a rated frequency of 50Hz. It also provides various rated currents of the main bus from 1250A to 4000A and short-time thermal stability current ratings from 20kA to 50kA .

7. Environmental Resilience: Designed to operate in ambient temperatures ranging from -10°C to +40°C and relative humidity not exceeding 95% on a daily average and 90% on a monthly average. It is also resistant to seismic activity up to magnitude 8 and is suitable for locations without risks of fire, explosion, severe pollution, chemical corrosion, or severe vibration .

The KYN28-12 Modular Switchgear is a robust solution for medium-voltage power distribution, offering a combination of high performance, safety, and adaptability to meet the demands of modern electrical infrastructure.