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 voltagekV7.21117.52233
Rated insulation voltagekV7.21217.52424
Rated power frequency withstand voltagekV 1min2028385070
Rated lightning impulse withstand voltagekV607595125170
Rated frequencyHz50/6050/6050/6050/6050/60
Rated short time withstand currentkA 3  s…50…50…50…31.5…31.5
Peak currentkA…125…125…125…80…80
Internal arc withstand currentkA 1 s…50…50…50…31.5…31.5
Main busbar rated currentA…4,000…4,000…4,000…3,150…3,150
Circuit-breaker rated currentA630630630630630
  1,2501,2501,2501,2501,250
  1,6001,6001,6001,6001,600
  2,0002,0002,0002,0002,000
  2,5002,5002,5002,3002,300
  3,1503,1503,1502,5002,500

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  • 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

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

GCS Low Voltage Switchgear supplier

Standard And Customizable Dimensions

Modular and Flexible Design

High Safety Standards

High Protection Levels

Ease of Installation and Maintenance

Interlocking system

Arc-proof design

High Breaking Capacity

Compact and Space-saving

Flexible Configuration

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