Products


LJ-XGN-12 Solid insulated AC metal enclosed switchgear


Classification:

Medium-Voltage Switchgear


Lj-xgn-12 type solid insulated AC metal closed switchgear is a fully insulated, fully sealed compact switchgear, all live parts and breaking components are sealed in an APG injection molded epoxy resin shell, the functional unit is linked through the fully insulated solid bus, therefore, the whole switchgear is not affected by the external environment, It can ensure the reliability of equipment operation and the safety of operators.
This equipment is suitable for 12KV, 50HZ three-phase AC power distribution system, used for ring network power supply or terminal, especially suitable for small site, bad environment, requiring maintenance-free subway, chemical industry, petroleum, building underground power room and other electrical places, can also be used in external pre-type substation, outdoor box switch and other equipment, can be configured with protection device, communication module, backup power supply, To realize self-distribution. Since it does not contain sulfur hexafluoride, there is no need to worry about gas leakage.

Product Description


Product Overview

 

Lj-xgn-12 type solid insulated AC metal closed switchgear is a fully insulated, fully sealed compact switchgear, all live parts and breaking components are sealed in an APG injection molded epoxy resin shell, the functional unit is linked through the fully insulated solid bus, therefore, the whole switchgear is not affected by the external environment, It can ensure the reliability of equipment operation and the safety of operators.

This equipment is suitable for 12KV, 50HZ three-phase AC power distribution system, used for ring network power supply or terminal, especially suitable for small site, bad environment, requiring maintenance-free subway, chemical industry, petroleum, building underground power room and other electrical places, can also be used in external pre-type substation, outdoor box switch and other equipment, can be configured with protection device, communication module, backup power supply, To realize self-distribution. Since it does not contain sulfur hexafluoride, there is no need to worry about gas leakage.

 


 

Environmental conditions

 

1

Ambient temperature:

Not higher than +40℃, not lower than -15℃. And the average temperature within 24h shall not exceed +35℃.

2

Altitude:

No more than 1000m above sea level.

3

Relative humidity:

The daily average does not exceed 95% and the monthly average does not exceed 90%.

4

Earthquake intensity:

No more than 8 degrees.

5

Water vapor pressure:

The daily average does not exceed 2.2kPa and the monthly average does not exceed 1.8kPa.

6

 

Place free from fire, explosion danger, serious pollution, chemical corrosion and violent vibration.

 


 

Performance parameters

 

Serial number

Name

Units

Numerical value

1

Rated voltage

kV

12

2

Rated current

A

630

3

Rated frequency

Hz

50/60

4

1min power frequency withstand voltage electrode, to ground

kV

42

5

1min power frequency withstand voltage isolation fracture

kV

48

6

Lightning impulse withstand voltage (peak)
between electrodes, to ground

kV

75

7

Lightning impulse withstand voltage (peak)
isolation fracture

kV

85

8

Rated current of the main busbar

A

630 1250

9

Branch bus current rating

A

630

10

Rated short circuit breaking current

kA

20

11

Rated short-time withstand current/rated short-circuit duration

kA/4S

20

12

Rated peak withstand current

kA

50

13

Rated short circuit closing current

kA

50

14

1min power frequency withstand voltage of auxiliary loop

V

2000

15

Level of protection

 

IP4X(circuit breaker doors or compartmentals open to IP2X)

16

Secondary control loop rated voltage

V

Ac or DC 110/220

Previous

Model KYN28-24 Medium voltage distribution switchgear cabinets

Packaging Shipping

Shipment 4

Shipment 3

Shipment 2

Shipment 1

Packaging 2

Packaging 1

Factory workshop

Bracket temporary storage area

Component unpacking area

Primary line

Copper bar prefabrication area

Application Field

New energy

New energy

New energy

Petrochemical industry

Petrochemical industry

Petrochemical industry

Coal

Coal

Coal

Steel works

Steel works

Steel works

Electricity (gas)

Electricity (gas)

Electricity (gas)

Quality Certificate

XM-Meter Box-CQC
XL21-600A-CQC
WZBLJ capacitor cabinet-CQC
SIVACON-8PT-1600~3150A-CQC
PZ30 lighting box CQC
MD_MAX-1600~4000A-CQC

FAQ

LANKONG

How long is the after-sales response time?


LANKONG

We have a 24-hour after-sales service hotline, after receiving customer's after-sales request, we will make an initial response within 2-4 hours. For emergencies, we will arrange technicians to rush to the scene in the shortest possible time, the specific time depends on the geographical location of the customer, but we will do our best to ensure that we arrive at the scene within 24 hours (domestic) to solve the problem.

LANKONG

What does the after-sales service of your complete set of switchgear include?


LANKONG

Our after-sales service is very comprehensive. The first is the free repair and replacement service during the warranty period. If the equipment has quality problems during the warranty period, we will respond in time and repair or replace the faulty parts free of charge. Secondly, we provide lifelong technical support, whenever customers encounter technical problems related to equipment, you can contact our technicians, we will provide solutions. In addition, we can also provide regular equipment maintenance services according to customer needs, including equipment cleaning, inspection, fastening screws, electrical performance testing and other content, in order to extend the service life of the equipment.

LANKONG

How to debug the equipment after installation?


LANKONG

After the equipment is installed, debugging is a key step to ensure its normal operation. We will arrange professional technicians to carry out debugging, or provide customers with detailed debugging guidelines. The debugging mainly includes the measurement and setting of electrical parameters, such as the detection and calibration of voltage, current, frequency and other parameters; Testing of various protection functions, such as trigger test of overcurrent protection, short-circuit protection, grounding protection and other functions; And the communication function test of the equipment (if the equipment has a communication interface) to ensure that it can communicate with the host computer or other monitoring systems normally.

LANKONG

Is your switchgear set complicated to install? Do you need professional personnel?


LANKONG

The installation of our complete sets of switchgear has certain technical requirements, and it is best to be operated by professional electrical installers. However, we will provide a detailed installation manual and operating guide, which includes the installation steps of the equipment, electrical connection diagram, safety precautions and so on. During the installation process, if you encounter any problems, our technical support team can also provide remote guidance or on-site installation services.

LANKONG

How is the adaptability of the switchgear cabinet in various application conditions?


LANKONG

The creepage distance of the switchgear insulation support is greater than 240mm, and it has passed the special "condensation test" performance test, proving that it has good application under the cold conditions in northern Europe and the hot environment in southern China, showing good adaptability to various application conditions.

LANKONG

Compared with other brands, what are the advantages of your switchgear sets?


LANKONG

Our products have several significant advantages. First, in terms of technological innovation, we invest a lot of resources in research and development and have our own patented technologies, such as in intelligent control and protection systems, which enable more accurate fault diagnosis and rapid protection of our equipment. Second, in terms of quality, we have established a sound quality management system, from raw material procurement to finished products, every link is strictly controlled to ensure that product quality is higher than the industry standard. Third, customized services, we can according to the special needs of customers, such as special electrical parameters, cabinet size and functional requirements, to provide personalized complete sets of switchgear solutions.

LANKONG

How do you guarantee the reliability of your products?


LANKONG

Our switchgear sets are designed with high reliability in mind. First of all, the selected key components are from well-known brands such as Schneider, ABB, Siemens, etc., and have gone through strict quality testing to ensure stable performance. Secondly, our equipment in the production process, follow the strict production process and quality control standards, each process is inspected by professional personnel. In addition, we also carried out a variety of reliability tests on the equipment, such as voltage test, short circuit withstand current test, etc., to ensure that the equipment can work stably and reliably in long-term operation.

LANKONG

What is the rated voltage and current range of your products?


LANKONG

For low-voltage switchgear sets, the rated voltage is generally between 380V-690V, and the rated current can range from hundreds of amps to thousands of amps, depending on the model and design specifications of the product. The rated voltage of high-voltage switchgear sets is common 10kV, 35kV, etc. The rated current ranges from hundreds of amps to thousands of amps according to different application scenarios and equipment requirements, such as the rated current of 12kV switchgear may be between 630A-3150A.

LANKONG

What are the main components of a switchgear set?


LANKONG

complete set of switchgear includes circuit breaker, isolation switch, load switch, current transformer, voltage transformer, fuse, bus, relay protection device, measurement and control device, operating mechanism and various cabinets, etc. These components work together to control, protect and distribute electrical energy. For example, a circuit breaker is used to cut and switch on a circuit, a current transformer is used to measure the amount of current in a circuit, and a relay protection device can act quickly in the event of a fault to protect equipment and lines.

LANKONG

What are the main types of switchgear sets in your company?


LANKONG

Our company produces many types of complete switchgear sets, including low voltage switchgear sets (LMNS low voltage cabinet, SIVACON 8PT low voltage cabinet, Blokset low voltage cabinet, MD_max low voltage cabinet, iLMNS intelligent low voltage cabinet, GCS, GGD), high voltage switchgear sets (: KYN61-40.5 type medium voltage distribution switchgear, KYN28-12 type medium voltage distribution switchgear, KYN28-24 type medium voltage distribution switchgear, LJ-XGN-12 type solid insulated AC metal closed switchgear), busbar trough, pre-installed substation, power supply equipment (GZDC type DC screen, EPS fire emergency power supply), etc. These devices can be selected according to different voltage levels, uses and use environments.

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