KYN28-12 Indoor Metal-Clad Withdrawable Switchgear – 12kV/10kV Medium Voltage AC Switchboard Cabinet with 630A Vacuum Circuit Breaker
The KYN28-12 is a high-performance, indoor metal-clad withdrawable switchgear designed for three-phase AC 50/60Hz power systems with a rated voltage of 12kV. This versatile unit is engineered for the reception and distribution of electrical energy, providing advanced control, protection, and monitoring for utility grids, power plants, and industrial facilities. It features a central withdrawable vacuum circuit breaker (VCB) handcart rated at 630A, allowing for rapid maintenance and maximum operational continuity. Constructed from premium aluminum-zinc coated steel and equipped with a comprehensive “Five-Preventions” mechanical interlocking system, the KYN28-12 ensures superior reliability and the highest level of personnel safety in medium-voltage environments.
KYN28-12 Indoor Metal-Clad Withdrawable Switchgear (12kV)
Product Overview
The KYN28-12 is a high-performance, indoor metal-clad withdrawable switchgear designed for three-phase AC 50/60Hz power systems with a rated voltage of 12kV. This versatile unit is engineered for the reception and distribution of electrical energy, providing advanced control, protection, and monitoring for utility grids, power plants, and industrial facilities. It features a central withdrawable vacuum circuit breaker (VCB) handcart rated at 630A, allowing for rapid maintenance and maximum operational continuity.
Core Features & Technical Advantages
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Standardized 12kV Capacity: Optimized for stable and secure power distribution in both 10kV and 12kV AC networks.
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630A Vacuum Circuit Breaker: Equipped with a high-reliability VCB handcart for efficient circuit switching and robust protection.
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Withdrawable Modular Design: Simplifies maintenance by allowing the breaker handcart to be moved between “Working” and “Test” positions without full system shutdown.
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Intelligent Microcomputer Protection: Integrated digital terminals provide precise, real-time monitoring of voltage, current, and fault data.
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Anti-Corrosive Construction: The enclosure is built with CNC-processed aluminum-zinc coated steel for long-term industrial durability and mechanical strength.
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Enhanced Safety Interlocks: Features a comprehensive “Five-Preventions” mechanical interlocking system to prevent operational errors and ensure personnel safety.
Technical Specifications
| Item | Description |
| Model | KYN28-12 Series |
| Rated Voltage | 12kV / 10kV |
| Rated Current | 630A (Standard) |
| Structure Type | Metal-Clad Withdrawable Cabinet |
| Circuit Breaker | Central Vacuum Circuit Breaker (VCB) Handcart |
| Application | Power Generation, Transmission, and Industrial Distribution |
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