The KYN28A-12 series armored withdrawable AC metal-enclosed switchgear is a second-generation intelligent medium voltage switchgear, developed by integrating advanced international technology with modern CNC manufacturing processes.

It is designed for power distribution, control, protection, and monitoring in 3.6–12kV AC systems with a rated frequency of 50Hz.

النظام مناسب لـ

• Single busbar systems
• Single busbar sectionalized systems

Widely applied in:

• Large-scale power plants
• المحطات الفرعية
• المؤسسات الصناعية والتعدين

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🔹 الامتثال للمعايير

• IEC 60298 – AC Metal-Enclosed Switchgear
• GB/T 3906 – Metal-Enclosed Switchgear
• DL/T 404 – High Voltage Switchgear Technical Standard

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🔹 الميزات الرئيسية

✔ Armored Metal-Enclosed Structure

• Fully compartmentalized design
• High safety and fault isolation capability

👉 Minimizes the impact of internal faults

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✔ Withdrawable (Draw-out) Design

• Removable circuit breaker unit
• Easy maintenance and replacement

👉 تقليل وقت التعطل وتحسين الكفاءة

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✔ Advanced “Five Prevention” Interlocking System

Prevents:

• Misoperation
• Load switching errors
• Live grounding
• Energized access
• Incorrect sequence operation

👉 Ensures maximum operator safety

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✔ Internal Arc Withstand Capability

• Successfully passed internal arc tests
• Enhances operational safety in fault conditions

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✔ القدرة على المراقبة الذكية

• Supports protection, control, and monitoring functions
• متوافق مع أنظمة التشغيل الآلي

👉 Suitable for modern smart grid applications

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✔ تكوين كهربائي مرن

• Supports various circuit breaker types (e.g., vacuum circuit breaker)
• Adaptable to different system designs

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🔹 التصميم الهيكلي

🔸 Compartmentalized Design

The cabinet is divided into:

• Busbar compartment
• Circuit breaker compartment
• Cable compartment
• Relay & control compartment

➡ Ensures safety and ease of maintenance

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🔸 Withdrawable Circuit Breaker

• Draw-out type design
• Position indication (service/test/disconnected)

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🔸 نظام قضبان التوصيل

• قضبان توصيل نحاسية عالية التوصيل
• Optimized insulation and layout

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🔸 Protection & Control

• Integrated relay protection system
• Supports monitoring and automation

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🔹 التطبيقات

• Power generation plants
• Electrical substations
• Industrial facilities
• عمليات التعدين
• Infrastructure and utility systems

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🔹 ملخص المزايا

• High safety armored structure
• Withdrawable design for easy maintenance
• Reliable “Five Prevention” interlocking system
• Internal arc resistance for enhanced safety
• Intelligent control and monitoring capability
• Suitable for medium voltage distribution systems

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❓ الأسئلة الشائعة

1️⃣ What is KYN28A-12 switchgear used for?

يُستخدم لـ
👉 Receiving, distributing, controlling, and protecting electrical power in medium voltage systems (3.6–12kV).

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2️⃣ What is the advantage of withdrawable switchgear?

• Easy maintenance
• Fast replacement of circuit breakers
• تقليل وقت التوقف عن العمل

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3️⃣ What does “armored” mean in switchgear?

It refers to:
👉 Metal compartmentalized structure, which improves safety by isolating faults within specific sections.

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4️⃣ Does KYN28A-12 support automation systems?

نعم، إنه يدعم:

• Monitoring systems
• Protection relays
• Smart grid integration

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5️⃣ Is it safe under fault conditions?

Yes. It:

• Passes internal arc tests
• Includes full mechanical interlocking system