Environmentally Resilient Draw-out Switchgear

Overview: The KYN28-12 Removable Switchgear is a sophisticated solution for indoor three-phase AC power distribution systems, designed to operate at 50Hz with a rated voltage of 12kV. This switchgear is engineered for high reliability and safety, making it an excellent choice for a variety of electrical applications in industrial, commercial, and utility settings. It adopts an armored structure, and the components are installed in grounded compartments separated by metal partitions. The protection level of the switchgear is IP4X. It can be equipped with vacuum circuit breakers such as VS1, VD4, and ZN63. The switchgear can be connected to the protection system and has the "four remote" function to realize the automation of the distribution station.

Key Features:

1. Durable Metal-Clad Construction:

   • The KYN28-12 Removable switch gear is built with a robust metal-clad structure that ensures long-lasting durability and protection against environmental factors.
   • Meticulously manufactured for secure and harmonious integration into existing electrical systems, enhancing overall infrastructure resilience.

2. Versatile Compatibility:

   • Offers compatibility with a broad range of vacuum circuit breakers, including the ABB VD4 and domestic models such as the ZN73 (VH1), providing flexibility to meet various system requirements.

3. Safety-First Design:

   • The KYN28-12 is designed with safety as a priority, maintaining necessary air insulation and creepage distances to comply with electrical safety standards and minimize the risk of electrical accidents.

4. Extensive Protection and Control:

   • Suitable for various system configurations, the KYN28-12 provides comprehensive protection, monitoring, and control capabilities for electrical power, making it a versatile choice for electrical distribution and control.

5. Environmental Durability:

   • Engineered to perform effectively across a wide range of temperatures and humidity levels, the KYN28-12 is built to withstand harsh environmental conditions, including seismic activities, making it suitable for diverse geographical locations.

6. Solid Structural Integrity:

   • Features a modular assembly structure with high-precision components for ease of maintenance, ensuring minimal downtime and prolonged service life.
   • Doors are constructed from high-quality cold-rolled steel with a durable plastic coating, guaranteeing longevity and resistance to corrosion.

7. Streamlined Operation:

   • The central extraction mechanism of the KYN28-12 simplifies the operation process, making it more efficient and user-friendly.
   • Equipped with a screw rod transmission system, the trolley ensures smooth and reliable movement, reducing operational errors and enhancing safety.

8. Advanced Safety Mechanisms:

   • Incorporates interlocks and safety features to prevent unauthorized operations, such as closing the grounding switch with electricity or moving the trolley under load, providing an additional layer of safety.

Technical parameters and performance characteristics

Parameter Typical value Rated voltage 12kV Rated current 630A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000A Short-time withstand current 25kA/4s, 31.5kA/4s, 40kA/4s Peak withstand current 63kA, 80kA, 100kA Lightning impulse withstand voltage 75kV (phase-to-ground and phase-to-phase), 85kV (between breaks) Vacuum circuit breaker life Mechanical life 10,000 times, electrical life 5,000 times (40kA) Protection level Housing IP4X, compartment IP2X