Kyn28 Switchgear 10kv

The Usune Kyn28 Switchgear 10kV is suitable for three-phase AC 50Hz, 3.6~12kV single busbar and single busbar segmented power systems, and features comprehensive "five-proof" functions. The cabinet's handcart section can be equipped with core components such as vacuum circuit breakers and vacuum contactors. Vacuum circuit breakers from brands like ABB VD4, Schneider HVX, and Usune VS1 can be selected. This is currently the mainstream indoor high-voltage complete set of power distribution equipment, mainly used for power transmission and reception in various substations and distribution stations, and for circuit control, protection, and monitoring.

Low voltage switchgear

Medium voltage switchgear

Operating Environment Requirements

• Ambient air temperature: Upper limit +40℃, lower limit -15℃;
• Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
• Altitude: 1000m and below;
• Seismic intensity: Not exceeding 8 degrees;
• No fire or explosion hazards, no severe pollution, no chemical corrosion, and no violent vibration. If the operating environment exceeds the normal conditions specified in GB3906, the user and manufacturer must negotiate and determine the appropriate conditions.

Technical Parameters

• Rated Voltage: 3.6kV, 6.6kV, 7.2kV, 10kV, 11kV, 12kV, 13.8kV, 15kV, 17.5kV, 20kV, 24kV;
• Rated Frequency: 50/60Hz;
• Rated Current: 630A, 1250A, 1600A, 2000A, 2500A, 3150A, 4000A, 5000A;
• Rated Short-Time Withstand Current (4s): 16kA, 20kA, 25kA, 31.5kA, 40kA;
• Rated Insulation Level: 42kV (1min power frequency, between electrodes/to ground), 48kV (open contact); 75kV (lightning impulse, between electrodes/to ground), 85kV (open contact, peak value);
• Protection Class: Enclosure IP4X protection rating, IP2X protection for compartments;
• Cabinet types: Incoming line cabinets, outgoing line cabinets, transformer protection cabinets, busbar tie cabinets, disconnector switch cabinets, busbar lifting cabinets, PT/VT cabinets, etc.;
• Cabinet dimensions: Width 650mm/800mm/1000mm, Height 2300mm, Depth 1450mm.

Core Advantages

1. Comprehensive Safety Protection

The Kyn28 Switchgear 10kV adopts an armored metal enclosed structure, with each functional compartment independently separated. Combined with mechanical and electrical interlocks, it fully realizes five-proof interlocking, eliminating the risk of misoperation. The enclosure protection rating reaches IP4X, and the compartment protection is IP2X, further enhancing safety protection capabilities.

2. Stable and Reliable Performance

Designed and manufactured strictly in accordance with IEC international standards and ISO quality management system, using high-quality vacuum components, it is compatible with various well-known brand vacuum circuit breakers, has strong short-circuit withstand capability, adapts to a wide voltage and current range, and is suitable for long-term continuous operation.

3. Convenient Installation and Maintenance

The removable trolley design allows for quick and easy inspection and replacement. Its compact structure supports front maintenance, saving space and downtime. Standardized cabinet dimensions adapt to various installation scenarios, resulting in high installation efficiency.

4. Wide Applicability

The Kyn28 Switchgear 10kV covers all voltage levels from 3.6 to 24kV, is compatible with 50/60Hz dual-frequency systems, and offers various cabinet types to meet the power distribution needs of different industries such as power plants, substations, industrial and mining enterprises, and high-rise buildings. It can also adapt to various conventional working environments.

Real-world Application Case

A 110kV substation renovation project in a certain city selected 28 Usune KYN28-12 switchgear units. The equipment achieved high space utilization, rapid commissioning, and a 99.98% reliability rate after commissioning, significantly improving the safety level of the power distribution network. In this project, the switchgear is adapted to the environmental requirements of the site, including altitude, temperature, and humidity, and a suitable vacuum circuit breaker model is selected to perfectly match the power distribution needs of the substation.

Product External Dimension

Project Reference

Cas-space Rocket Launch Project

Test Report

FAQs

Q1: What are the specific "five-proof" functions of the KYN28 switchgear?

A: These mainly include preventing accidental opening and closing of circuit breakers, preventing pushing or pulling the handcart under load, preventing grounding wires from being connected to live circuits, preventing closing the circuit breaker with a grounding wire connected, and preventing personnel from accidentally entering live compartments, thus structurally ensuring the safety of personnel and equipment.

Q2: What is the routine maintenance cycle for the Kyn28 Switchgear 10kV?

A: It is recommended to conduct a routine inspection every 6 months and a comprehensive maintenance every 1-2 years, focusing on checking the mechanism, insulation, interlocking, and bolt tightness. Usune provides full technical support.

Q3: Can Usune provide customized switchgear?

A: Yes. As a professional manufacturer, Usune can customize internal configurations, protection levels, and intelligent monitoring solutions based on voltage, current, protection requirements, and site environment. It can also adjust cabinet dimensions and select appropriate vacuum circuit breaker models to meet specific needs.

In summary, the Usune Kyn28 Switchgear 10kV integrates safety, reliability, and ease of use. Supported by mature design, rigorous quality control, and comprehensive technical parameters, it is suitable for various working environments and scenarios. As a professional manufacturer and high-quality supplier from China, Usune continues to provide stable and efficient medium-voltage power distribution solutions to users worldwide.