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Kyn28-12 12kv Withdrawable Medium Voltage Switchgear
US$999.00-5,600.00
1 Piece
Product profile
Customization
AvailableCertification
CCC, ISO9001Shell Material
Steel PlateModel NO.
KYN28-12Voltage Level
Medium VoltageInstallation
RemovableStructure
WithdrawableCurrent
ACModel Number
Kyn28-12Type
Medium Voltage Switchgear / Metal-Clad SwitchgearRated Voltage
12kv (or 3.6kv, 7.2kv, 12kv)Rated Frequency
50Hz / 60HzRated Current
630A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000ARated Short-Circuit Breaking Current
20ka, 25ka, 31.5ka, 40kaRated Short-Time Withstand Current (4s)
20ka, 25ka, 31.5ka, 40kaRated Peak Withstand Current
50ka, 63ka, 80ka, 100kaStructure Type
Armored / CompartmentalizedOperation Type
Withdrawable (Handcart Type)Enclosure Material
High-Quality Cold-Rolled Steel SheetSurface Treatment
Electrostatic Powder Coating (Anti-Corrosion)Transport Package
Wooden BoxSpecification
12KVTrademark
YIFAOrigin
ChinaProduction Capacity
50000PCS/YearKey features
Fully Enclosed & Compartmentalized
Complete metal-clad structure with isolated rooms, preventing arc faults and ensuring maximum safety.
Modular Withdrawable Design
Handcart-type circuit breaker allows for quick replacement and easy maintenance, minimizing downtime.
Intelligent Control & Protection
Integrated relay and control system supports real-time monitoring, fault diagnostics, and smart grid connection
Robust & Reliable Construction
Heavy-duty steel housing with anti-corrosion coating, built for harsh environments and long-term durability.
Comprehensive Safety Interlocks
Meets "Five-Prevention" standards, guaranteeing safe operation and personnel protection.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-12-01 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.83h CertifiedTerms of Payment: LC, T/T
About Our Factory & Business Background
AddressQiaoqian Industrial Zone, Liushi, Yueqing City, Wenzhou, Zhejiang, China
Plant Area800 square meters
Number of Employees148
Registered Capital101,600,000 RMB
International Commercial Terms(Incoterms)FOB, CIF, CFR
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Main ProductsPower Transformer, HV and LV Complete Sets of Power Substations, LV Electrical Equipment
Production MachinesAging Facility, Calibration Table, Laser Marking Facility, Pad Printing Facility, Residual Current Protector Tester
R&D Engineers10 people
Own BrandYes
Our Industry Experience & Global Business Record
Year of Establishment2000-02-25
Main MarketsSoutheast Asia/ Mideast, Africa, Domestic
Number of Foreign Trading Staff6
Overseas Agent/BranchNo
Our Certifications, Standards & Industry Recognition
Product CertificationCCC, Others
Product Q&A
Q:What is the difference between "Armored" and "Metal-Enclosed" switchgear?
A:
"Metal-Enclosed" means the switchgear has a metal shell with grounded partitions. "Armored" (Metal-Clad) is a higher standard it means each main circuit component (busbar, breaker, cable) is in its own separate, grounded metal compartment. The KYN28 12 is armored, providing superior arc-fault containment and safety compared to standard metal-enclosed types.
Q:What is the meaning of "Withdrawable" and why is it important?
A:
"Withdrawable" means the vacuum circuit breaker (VCB) is mounted on a handcart that can be pulled out of the cabinet. This allows for quick replacement or maintenance without dismantling the entire switchgear. It dramatically reduces downtime; you can simply swap the handcart and restore power immediately.
Q:What voltage and current ratings are available for KYN28-12?
A:
Standard ratings: Rated Voltage 12kV (also available in 3.6kV, 7.2kV); Rated Current 630A to 4000A; Rated Short Circuit Breaking Current 20kA to 40kA. Custom configurations are available upon request.
Q:What type of circuit breaker is used in KYN28-12?
A:
It uses a vacuum circuit breaker (VCB), typically models VS1, ZN63A, or VD4. Vacuum interruption is maintenance-free, eco-friendly (no SF6 gas), and highly reliable for medium-voltage applications.
Q:Does KYN28-12 have "Five-Prevention" interlocks?
A:
Yes. It is equipped with mechanical and electrical "Five-Prevention" interlocks to prevent
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