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Fixed Electrical Switchgear

Fixed Electrical Switchgear

Fixed Electrical Switchgear is an integrated circuit breaker, isolation switch, ground switch, transformer, arrester and other equipment, and closed in the metal shell of a complete set of power distribution device. It can realize the functions of circuit connection, disconnection, conversion and protection in the power system to ensure the safe and reliable operation of the power system. The product has absorbed professional technology at home and abroad, and the volume is only 50% of the volume of ordinary switchgear.

Zi Kai Fixed Electrical Switchgear Vacuum circuit breaker main technical parameters product parameters:

Switch cabinet main technical parameters and component models

number item unit Technical parameter
1 Rated voltage kV 3.6,7.2,12
2 Rated power frequency withstand voltage kV To the ground, phase: 42; Fracture: 48
3 Rated lightning impulse withstand voltage kV To the ground, phase: 75; Fracture: 85
4 Rated frequency Hz 50
5 Rated current A 630,1250
6 Rated short-circuit breaking current kA 20,25,31.5
7 Rated short circuit closing current (peak) kA 50,63,80
8 Rated dynamic stable current (peak) kA 50,63,80
9 Rated thermal stable current 4s(effective value) kA 20,25,31.5
10 Class of protection IP2X
11 Overall dimensions (width × depth × height) mm 900×1000×2300
12 weight kg ≈600


Vacuum circuit breaker main technical parameters

number item unit Technical parameter
1 Rated voltage kV 12
2 Rated current A 6301250
3 Rated short-circuit breaking current kA 20,25,31.5
4 Rated short-circuit closing current kA 50,63,80
5 Rated short-time withstand current (4s RMS) kA 20,25,31.5
6 Rated peak withstand current (peak) kA 50,63,80
7 Mechanical life time 10000
8 Rated short circuit breaking current breaking times time 50
9 Rated operating sequence Separate -0.3s- close to separate -180s- close to separate
10 Contact opening distance mm 11±1
11 Contact travel mm 4±0.5
12 Interphase center distance mm 210
13 Opening speed m/s 1.2±0.2
14 Closing speed m/s 0.6±0.2
15 Opening time ms ≤60
16 Closing time ms ≤75
17 Three phase switching synchronization ms ≤2
18 Closing bounce ms ≤2
19 Loop resistance μQ ≤45
20 Cumulative allowable wear thickness of contacts mm 3


Zi Kai Fixed Electrical Switchgear Outline and mounting dimensions

1. Cabinet doors

2. Lighting

3. Observation window

4. Operating mechanism

5. Small door panel

6. Instrument door

7. Brow

8. Busbar through wall sleeve

9. Bolts

10. Washer

11. Washer

12. Nuts

13. Isolation switch

14. Pull the rod

15. Rear sealing plate

16. Current transformer

17, vacuum circuit breaker

18. Isolation switch

19, sensor

20. Bolt

21. Washer

22. Washer

23. Skeleton

24, lightning arrester


Zi Kai Fixed Electrical Switchgear Feature And Application

Feature

High reliability and stability:

The Fixed Electrical Switchgear is well designed and strong in structure, which can withstand harsh working environment to ensure the long-term stable operation of the power system.

Easy to install and maintain:

Compared with other types of Switchgear, Fixed Electrical Switchgear usually has a simpler installation process, reducing the difficulty and cost of construction.

In terms of maintenance, due to its relatively fixed structure, maintenance personnel can more easily carry out daily inspections and troubleshooting.

Intelligent trend:

With the development of technology, more and more Fixed Electrical Switchgear began to integrate intelligent elements.

These intelligent switchgear can monitor the running state of the power system in real time and improve the reliability and security of the system.

Application

Commercial Buildings:

In commercial buildings, Fixed Electrical Switchgear can ensure the normal operation of various electrical equipment in the building, while providing the necessary safety protection.

Industrial field:

In the factory and industrial production environment, Fixed Electrical Switchgear is not only responsible for the distribution and conversion of electrical energy, but also bears the important responsibility of protecting the safety of production equipment and staff.

Power system:

In large power systems, Fixed Electrical Switchgear can ensure efficient transmission and stable supply of electrical energy, while reducing the impact of system failures on the power system.

Infrastructure:

In the field of transportation, communication and other infrastructure, Fixed Electrical Switchgear provides reliable power support for these critical facilities to ensure that they can operate normally and serve the society.


Zi Kai Fixed Electrical Switchgear Details

certificates


FAQ

1、What is your packaging standard?

Usually we use standard foam and carton packaging. If you have special requirements, we can also meet your requirements.


2、Why do you buy from us instead of other suppliers?

More than 10 years experience in design and manufacture of high voltage switchgear accessories. It is one of the largest star suppliers in the industry, and has won international and domestic praise, and has been shortlisted for the National Grid.


3、What services can we provide?

Acceptable delivery methods :FOB,CFR,CIF,EXW,FCA, Express;
Accepted payment currency: USD, EUR, GBP, RMB;
Payment methods accepted: Wire transfer, L/C, MoneyGram, credit card, Western Union, cash;
Languages: English, Chinese


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