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Home > metal clad switchgear > Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
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Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul
Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul

Fast-Maintenance Indoor Metal-Clad Withdrawable Switchgear for 1.5hr Overhaul

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Product Description

Indoor Metal-Clad Withdrawable Switchgear
Indoor Withdrawable Metal-Clad Switchgear Cabinet

This 12–35kV indoor metal-clad mid-mounted switchgear (KYN28A-12 / KYN61-40.5) is designed for industrial & commercial power distribution. It is widely applied in mining, industrial plants, new energy projects and municipal power grids, serving as an ideal matching device for transformers ranging from 100kVA to 2500kVA.

🛡️ Outstanding Safety & Multi-level Protection
  • Complete mechanical & electrical five-prevention interlock system, eliminating misoperation risks.
  • Enclosure protection degree up to IP4X, with independent compartment design to prevent fault spreading.
  • Standard arc flash protection, fast tripping within 10ms. Core components adopt epoxy solid insulation with Class 3 insulation level, ensuring stable performance under humid and dusty conditions.
  • Partial discharge ≤ 5pC (35kV type); peak withstand current up to 130kA (12kV type), exceeding national standard requirements.
⚙️ High Compatibility & Stable Operation
  • Rated current covers 630A – 3150A, with customizable breaking capacity to perfectly match transformer protection parameters.
  • Wide temperature tolerance from -40°C to +55°C, anti-vibration and anti-corrosion, suitable for coastal and high-altitude areas.
  • Vacuum arc extinction without SF6 gas, eco-friendly and low loss. Distribution loss reduced by 8%, mechanical service life over 50,000 operations.
💡 Intelligent Performance & Easy Maintenance
  • Mid-mounted truck structure, all operations completed from front side. Fault modules can be directly pulled out and replaced; maintenance time shortened to 1.5 hours, minimizing shutdown losses.
  • Equipped with intelligent temperature monitoring and partial discharge sensors, supporting remote operation & maintenance and IEC 61850 communication, realizing unattended operation.
  • Modular design supports single / double busbar connection, fast site installation and easy expansion. Cabinet service life exceeds 20 years.
Technical Specifications
Item Details Item Details
Product Model KYN28A-12kV Voltage Class 12kV
Installation Type Indoor Metal-Clad Withdrawable Type Structure Metal-Clad Withdrawable Enclosed Switchgear
Rated Current 630A / 1250A / 2000A / 3150A Frequency 50Hz (60Hz optional)
Number of Phases Three-phase Rated Voltage 12kV
OEM Service Available Protection Degree IP4X (door closed) / IP2X (door open)
Transport Package Wooden case packing Dimensions Standard (W 800/1000mm × D 1500mm × H 2300mm)
Insulation Method Air Insulation Production Capacity Monthly output > 500 units
Product Gallery
Switchgear Detail 1
Switchgear Detail 2
Switchgear Detail 3
Detailed Construction & Design
Technical Drawing 1 Technical Drawing 2 Technical Drawing 3 Technical Drawing 4 Technical Drawing 5 Technical Drawing 6
Industrial Application & Production
Production Line
Application Scenario
Main Product Overview
Main Product Line
Facility and Capability
Facility 1 Facility 2
Certifications & Quality Assurance
Certifications
Packaging & Shipping
Packaging
Frequently Asked Questions
Q1: What is the rated voltage range for this switchgear? A1: This metal-clad switchgear is designed for 12kV to 35kV systems, making it suitable for a wide range of industrial and commercial power distribution needs.
Q2: What is the protection degree of the cabinet? A2: The enclosure provides a protection degree of up to IP4X when the door is closed and IP2X when the door is open, ensuring safety for operators and equipment.
Q3: How long is the expected service life of the cabinet? A3: With high-quality components and robust modular design, the cabinet service life is engineered to exceed 20 years.
Q4: Can this equipment operate in extreme temperatures? A4: Yes, it features a wide temperature tolerance from -40°C to +55°C, making it suitable for both cold high-altitude areas and hot coastal environments.
Q5: How does the "1.5hr Overhaul" benefit operations? A5: The mid-mounted truck structure allows fault modules to be pulled out and replaced quickly, reducing standard maintenance time to just 1.5 hours and minimizing shutdown losses.
Q6: Is the system compatible with modern smart grid monitoring? A6: Yes, it supports IEC 61850 communication and is equipped with intelligent temperature and partial discharge sensors for remote monitoring and unattended operation.

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