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Yifa Kyn28-12 Armored Withdrawable AC Metal-Enclosed Switchgear, 12kv Medium Voltage Metal Clad Switchgear
US$999.00-6,999.00
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
Independent compartment design for busbar, circuit breaker and cable chamber, which effectively isolates faults and greatly improves the safety of medium voltage power distribution system.
Modular withdrawable handcart structure supports quick plug-in and removal of the vacuum circuit breaker, facilitating inspection, maintenance and replacement without cutting off the whole system.
Complete mechanical and electrical interlock device prevents misoperation, protects operators from electric shock risk and avoids equipment damage caused by wrong operation.
High short-time withstand current capacity, stable performance when facing large short-circuit impact, reliable for industrial and commercial power distribution projects.
Indoor air-insulated compact layout, saving installation space, simple structure and convenient for on-site assembly and commissioning.
Wide rated current range from 630A to 3150A, flexible configuration to meet diverse medium voltage power supply requirements.
Fully compliant with IEC international standards, equipped with CE, ISO and other certificates, suitable for global overseas engineering bidding projects.
Customizable internal wiring, protection scheme and panel layout according to customers one of a kind project requirements.
High-quality metal-clad shell with strong anti-corrosion performance, long service life and low failure rate under long-term continuous operation.
Professional 24-hour online technical support, providing full-cycle service from scheme design, production guidance to after-sales troubleshooting.
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: ≤7.93h 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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