11kV Metal-clad enclosed switchgear
11kV Metal-clad enclosed switchgear
Indoor medium voltage distribution switchgear
Rated voltage: 3.3kV, 6kV, 10kV, 11kV, 12.5kV, 13.8kV
Current up to: 4000A
Floor standing
Standard: IEC, ANSI, GB
UN-P28
Application
This medium voltage switchgear is used in 3.3kV, 6kV, 10kV, 11kV, 12.5kV and13.8kV power system, as control distribution unit. It can be floor standing or wall mounted. by using withdrawable ACB up to 4000A. Compact structure with degree of protection cabinets, up to IP 4X. High quality aluminium zinc-coated sheet, make cabinet strong and lighter. Complatible with VS1, VD4, ZN12, 3AH，VB2， VC7 and VEP. Suitable for indoor installations. Metal clad and seperate the compartments from each other’s. Their live parts are air-insulated. Since the switchgear is highly modular type, this make simple selection of components required by any application. The functional units of the switchgear are guaranteed arc proof in accordance with the IEC 62271-200 Standards. All the installation, operation and maintenance operations can be carried out from the front of the switchgear. The vacuum circuit breaker and earthing switches are operated from the front with the door closed. The switchgear can be back to wall installed. It is designed to protect, control, and isolate electrical circuits in various applications such as substations, industrial plants, and power stations.
Specifications
Key Components:
Circuit Breakers: Protect the system from short circuits and overloads by automatically disconnecting faulty circuits.
Busbars: Conduct electrical power between different parts of the switchgear.
Earthing Switch: Ensures that the system is safely earthed during maintenance and operation.
Current Transformers (CTs) and Voltage Transformers (VTs): Used for measuring the current and voltage in the system, providing data for control and protection purposes.
Standards:
The 11kV metal-clad switchgear typically conforms to industry standards such as IEC 62271-200 (for metal-enclosed switchgear) and local standards such as GB3906 in China. These standards ensure that the switchgear provides reliable, safe operation and can handle fault conditions.
Parameter
| Rated voltage | kV | 7.2 | 11 | 17.5 | 22 | 33 |
| Rated insulation voltage | kV | 7.2 | 12 | 17.5 | 24 | 24 |
| Rated power frequency withstand voltage | kV 1min | 20 | 28 | 38 | 50 | 70 |
| Rated lightning impulse withstand voltage | kV | 60 | 75 | 95 | 125 | 170 |
| Rated frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 |
| Rated short time withstand current | kA 3 s | …50 | …50 | …50 | …31.5 | …31.5 |
| Peak current | kA | …125 | …125 | …125 | …80 | …80 |
| Internal arc withstand current | kA 1 s | …50 | …50 | …50 | …31.5 | …31.5 |
| Main busbar rated current | A | …4,000 | …4,000 | …4,000 | …3,150 | …3,150 |
| Circuit-breaker rated current | A | 630 | 630 | 630 | 630 | 630 |
| 1,250 | 1,250 | 1,250 | 1,250 | 1,250 | ||
| 1,600 | 1,600 | 1,600 | 1,600 | 1,600 | ||
| 2,000 | 2,000 | 2,000 | 2,000 | 2,000 | ||
| 2,500 | 2,500 | 2,500 | 2,300 | 2,300 | ||
| 3,150 | 3,150 | 3,150 | 2,500 | 2,500 |
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Product Category
hot-sale product
• Complete range of power distribution products (transformers, switchgear, RMU, breakers, and more)
• Factory-direct manufacturing with strict ISO9001 & CE quality control
• OEM/ODM service and customized voltage ratings available
• Fast delivery and professional export support to 40+ countries
• Experienced engineering team for turnkey power distribution solutions
Uses: Low cost, high reliability, urban high voltage distribution solutions
Product Advantages
1 Cold-rolled steel plate, thickened and coarse material, stable and durable, never roughed up
2 safe and reliable equipment long service life, can be matched with major brand control and protection systems, more intelligent
3 Customizable: can be customized box size/hole/thickness/color/component collocation
1.Ratings:system voltage 24kV,rated current up to 1250A,AC50/60Hz.
2.Application:applicable for power receiving and distribution of power plant and substations forcontrol,protection and measurement.
3.Standards:IEC62271-200
- Large capacity and easy heat dissipation
- Easy to maintain
- Customizable and OEM
- Fully automated production High product quality control
QZ Group Co., Ltd. delivers top-tier electrical equipment and solutions to meet your needs. With a robust portfolio of products and a commitment to excellence, we are your trusted partner in the electrical industry.
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