Kyn28 11kv/12kv /15kv /24kv/33kv Electrical Switchgear Rmu Cabinet Medium Voltage High Voltage Mv&Hv Switchgear
KYN28 Medium Voltage Switchgear | 12kV-33kV RMU Cabinets | 31.5kA Breaking Capacity
Industrial-grade KYN28 switchgear cabinets (630A-3150A) with 31.5kA short-circuit rating. IP2X protection, 3kV-33kV voltage range. Customizable for hospitals/factories. Global certifications & turnkey installation
Core Product Advantages
🔥 Ultra-High Protection
• 31.5kA short-circuit breaking (IEC 62271-200 certified)
• 220kA peak withstand current for grid fault conditions
🛡️ Robust Construction
• Cold-rolled steel (2.5mm) or 304 stainless steel enclosures
• IP2X internal arc containment (IEC 62271-200 compliant)
⚡ Voltage Flexibility
• Input: 3kV-33kV (7.2kV/15kV/24kV non-standard variants)
• Output: 110V-440V (±1.5% voltage regulation)
Technical Specifications
| Parameter | KYN28 Switchgear |
|---|---|
| Electrical | |
| Rated Insulation Voltage | 11kV AC / 1500V DC |
| Impulse Withstand | 12kV (BIL) |
| Mechanical | |
| Busbar System | 4000A rated, copper tin-plated |
| Withdrawal Mechanism | Truck-mounted, 3-position interlock |
| Environmental | |
| Pollution Degree | Class 4 (IEC 60664) |
| Operating Altitude | ≤2000m ASL |
Configuration Options
▸ Voltage Classes
• 12kV/15kV standard models • 24kV/33kV heavy-duty versions
▸ Protection Systems
• Overvoltage Category I-IV (IEC 60664-1)
• Integrated surge arresters (8/20μs waveform)
▸ Control Upgrades
• Local/remote switching interface
• IEC 61850 communication protocol support
Industry-Specific Solutions
🏥 Hospital Power Systems
• 12kV/400V step-down units for MRI suites
• 0.1s transfer switching for life support systems
🏭 Industrial Plants
• 33kV ring main units (RMU) for steel mills
• Arc-resistant designs (IEC 62271-200 internal arc Class I)
🏙️ Smart Buildings
• 24kV compact switchgear for high-rise basements
• SCADA integration for energy monitoring
Professional Services
Design & Certification
• Type test reports (TTA) per IEC 62271-1
• 3D electromagnetic field simulation
Installation & Commissioning
• Laser-aligned busbar assembly
• Partial discharge <5pC at 1.1Ur
Post-Deployment
• 15-year lifecycle maintenance plans
• Real-time thermal monitoring via IoT sensors
Trust Engineering Elements
✅ Certifications
IEC 62271 • ANSI C37.20.2 • CE-EMC 2014/30/EU
✅ Performance Guarantees
• ≤25μΩ contact resistance (main circuit)
• 10,000 mechanical operations (mechanism
