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.
If you have any enquiry about quotation or cooperation, please feel free to email or use the following inquiry form. Our sales representative will contact you within 24 hours.
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