KYN28-12 Indoor AC High-Voltage Metal-Clad Withdrawable Switchgear

KYN28-12 is a 12kV, 3-phase AC, 50Hz metal-clad withdrawable switchgear designed for single busbar or single busbar sectionalized systems. It is a complete power distribution solution used for control, protection, and monitoring in medium-voltage networks.

Applications

• Power plants and auxiliary power systems

• Distribution for medium/small generators

• Industrial and mining enterprises

• Secondary substations in power systems

• High-voltage motor starting and protection

Standards Compliance

• GB 3906

• IEC 62271-200 (formerly IEC 298)

Key Features

• Rated Voltage: 12kV

• Frequency: 50Hz

• Structure: Metal-clad, withdrawable

• Breaker Options: Vacuum Circuit Breaker (VCB)

• Busbar System: Single or sectionalized

Safety & Interlocks (Five Prevention Functions)

• Prevent racking circuit breaker in/out under load

• Prevent misoperation of circuit breaker

• Prevent closing the circuit breaker when the earthing switch is closed

• Prevent entering a live compartment

• Prevent closing the earthing switch when the system is live

Design Highlights

• Fully enclosed modular design

• Isolated functional compartments

• High safety and easy maintenance

• Equipped with mechanical and electrical interlocks