As a high-quality electrical equipment supplier established in a local factory in China, Jinhand Electric Co., Ltd. has successfully exported its products to multiple countries and regions, receiving widespread praise from customers. The KYN28-12 Indoor Metal Enclosed Type Electrical Switchgear offered by the company features a high protection level, making it an ideal choice for indoor power distribution in various complex environments.
1.Wide Voltage Range:Suitable for 3.6-12kV three-phase AC 50Hz power grids, making it versatile for various applications.
2.Efficient Energy Management:Designed for effective receiving and distributing of electrical energy, enhancing overall system efficiency.
3.Robust Protection and Monitoring:Provides reliable control, monitoring, and protection for circuits, ensuring safe operation.
4.Flexible System Configuration:Can be utilized in single-busbar, single-busbar sectionalized, or double-busbar systems, accommodating different installation requirements.
| Name | Unit | Parameter | |
| Rated voltage | kV | 12 | |
| Rated current of main busbar | Hz | 50 | |
| Rated frequency | A | 630,1250,1600,2000,2500,3150 | |
| Rated current | A | 630,1250,1600,2000,2500,3150 | |
| Rated short time withstand current of grounding circuit(2S) | kA | 13.9,17.4,21.8,27.4,34.8 | |
| Rated short time withstand current of the main circuit(4S) | kA | 16,20,25,31.5,40 | |
| Rated peak withstand current(peak) | kA | 40,50,63,80,100 | |
| Rated short-circuit breaking current | kA | 25,31.5,40 | |
| Rated insulation level | 1min power frequency withstand voltage | kV | Phase to ground:42;Fracture:48 |
| Lightning impulse withstand voltage | kV | Phase to ground:75;Fracture:48 | |
| Protection level |
|
The shell is IP4X | |
1.Armored Design:The armored construction enhances safety and durability, suitable for demanding environments.
2.Metal-Enclosed Structure:A metal-enclosed design protects internal components from external factors, improving reliability.
3.Modular Design:The modular approach allows for easy scalability and adaptability to changing needs.
4.User-Friendly Interface:Designed with user-friendly controls and indicators for straightforward operation and monitoring.
1.Armored Withdrawable Metal-Enclosed Switchgear: Features a fully metal-clad structure with independent compartmentalization. Achieves a protection rating of IP4X, ensuring safe and reliable operation. Widely used in indoor power distribution applications for utilities, industrial/mining, and infrastructure.
2.High Rated Parameters, Broad Coverage: Rated voltage covers 3.6-12kV. Main busbar rated current up to 3150A, rated short-circuit breaking current up to 40kA, rated short-time withstand current (4s) up to 40kA. Meets diverse load requirements from general distribution substations to large-scale industrial projects.
3.Modular Design, Flexible Adaptation: Utilizes standardized modules and universal accessories, supporting flexible combination of various primary schemes. Cabinets can be extended side-by-side, facilitating future capacity expansion and modification, reducing lifecycle costs.
4.Intelligent Control, Safe & Convenient: Optional integrated intelligent control devices, featuring live display, temperature/humidity control, circuit breaker status indication, spring charge indication, high-voltage phasing check, voice anti-misoperation prompts, and RS485 communication interface. Enables state visualization and remote monitoring.
5.High-Quality Components & Craftsmanship: Key components like vacuum circuit breakers can be selected from renowned domestic and international brands. Busbars use high-quality electrolytic copper with tin plating. Enclosures are made of aluminum-zinc coated steel or cold-rolled steel plates with electrostatic powder coating, ensuring long-term stable operation.
1.Q1: Can the KYN28-12 switchgear be used in a double-busbar system?
A: Yes. This product supports various main wiring schemes including single busbar, single busbar with sectionalizer, and double busbar. For double-busbar schemes, corresponding busbar disconnectors and interlocking mechanisms need to be configured. Please provide a clear single-line diagram when ordering.
Q2: What does the IP4X protection rating specifically mean? Is it dustproof and waterproof?
A: IP4X indicates protection against solid objects larger than 1.0mm in diameter and prevention of access to live parts by tools, wires, etc., representing a high level of dust protection. It does not directly indicate a waterproof rating. If waterproofing is required, an IPX rating should be selected, but IP4X is usually sufficient for indoor installations.
Q3: Is the withdrawable circuit breaker easy to operate and maintain?
A: Yes, very convenient. The truck is equipped with a screw-type racking mechanism for easy and effortless operation, with clearly defined Service, Test, and Disconnected positions. Trucks of the same specification offer good interchangeability and feature comprehensive mechanical and electrical interlocks for safe operation. Routine maintenance mainly involves checking the mechanical characteristics and contacts of the circuit breaker, which can be performed after power outage by withdrawing the circuit breaker truck.
Q4: Can microprocessor-based protection relays and integrated automation systems be incorporated?
A: Absolutely. The relay/instrument compartment provides ample space. Standard configuration allows for installation of conventional relays, which can be upgraded to microprocessor-based multifunctional protection relays. Supports multiple communication protocols for easy integration into substation integrated automation systems or energy management platforms.
The excellence of our products is the cornerstone of our strong, long-lasting client relationships in over 30 countries, and we are grateful for the effusive praise we receive.
After over a decade of strategic development, Jinhand has emerged as one of the prominent manufacturers and suppliers of electrical equipment in China. Our factory is equipped with various cutting-edge technologies and machinery, and we welcome you to buy our high-grade, reasonably priced China-made products.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
