China Wholesale 11kv Compact Substation Manufacturer – KYN28A-12(10-11KV) armored removable AC metal-enclosed switohgear – Jonchn

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China Wholesale 11kv Compact Substation Manufacturer – KYN28A-12(10-11KV) armored removable AC metal-enclosed switohgear – Jonchn Detail:

Use environmental conditions

1. Normal condition
a. Surrounding air temperature:- 10℃~+40℃
b. Altitude: 1000M
c. Relative environment humidity: The daily relative humidity average is not higher than 95%, the monthly relative humidity average is not than higher 90%
d. Earthquake : The intensity does not exceed 8 degree.
e. The surrounding air without corrosive or flammable gas or water vapour.
f. Without a lot of dirtiness and regular fierce vibration, under the severe condition, the intensity meets the first kind requirement.
2. special working conditions
* When it is used beyond the normal environmental condition stipulated in the GB3906, the user should consult with the manufacture.

The main technical parameters

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Structure Introduction

The switch equipment is designed according to GB3906-91 metal armoring seal switch equipment. The rectifier body is made up of the cabinet body and draw-out parts (namely handcart) placed in the middle. See charter 1. The cabinet divides into four separate rooms, the outer covering protection grade is IP4X,when each small room and the circuit breaker is opened, the protection grade is IP2X.It can suspend the inlet, outlet line, cable’s inlet, outlet line and other function plan. After arranged and combined, it can become each kind of plan form of the power distribution equipment. This switch equipment may be installed and maintained from the frontage, therefore it may compose the dual arrangement back to back and be installed against the wall, improving the switch equipment’s security and flexibility and making full use of the occupying area.

Switchgear structure diagram

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Switchgear Dimensions

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Switchgear Dimensions

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A  Handcar
The framework of handcart is made of steel sheet through the procession of CNC machine tool and rivet welding. According to the application, the handcarts can be divided into circuit breaker hand-cart, voltage transformer handcart, isolating handcart and metering handcart, etc. The handcarts of the same specification can be exchanged conveniently. In the cabinet, the handcart has isolating position, testing position and operating position, each of which is designed with a location device to assure that the handcart can ‘t move easily at the above-mentioned positions, while the interlock must be unlocked to move the handcart.
B  Bus chamber
The bus is led from one switch cabinet to another one and fixed with static contact box through branch bus. The fat branch bus is connected through the bolt to the static contact box and main bus,not needing any other line clamps or insulators. When there is special demand of the clients or the project, the connecting bolt on the bus bar can be encapsulated with insulation and end cap. When the bus crosses the baffle of the switch cabinet, fix it with bus bushing, so that, if there is any internal fault arc, it can prevent the fault spreading to another cabinet and can guarantee the mechanical strength of the bus.
C  Cable chamber
Inside the cable chamber, the current transformer, grounding switch, arrester and cable can be installed, and on the bottom is designed slotted removable aluminum sheet to assure the convenient site construction.

Switchgear Dimensions

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D  Relay instrument chamber
Relay instrument chamber is used to install all kinds of components, such as relays, instruments, signal indicator and operating switch, etc. In addition, it’s available to add a small bus chamber on the top of the instrument chamber according to the demand of the clients, and set 16 lines to control the small bus.
E  Pressure releasing device
On the handcart chamber, bus chamber and cable chamber is installed pressure releasing device. When there is internal fault arc in the breaker, main bus or inside the cable chamber, and with the appearance of electric arc, the internal pressure in the switch cabinet rises. After it rises to a certain pressure, the pressure releasing metal sheet of the top device will be opened automatically, and the pressure and the gas are released to guarantee the safety of the operator and the switch cabinet.
F  Latching device
Latching device is used to connect the central exit and cabinet body, and the lifting device is also designed to make it more convenient to open the central exit. When the central exit stays closed, the connecting strength with the cabinet body is the best and the capability against the internal arcing fault effectively is strengthened.


Product detail pictures:

China Wholesale 11kv Compact Substation Manufacturer –  KYN28A-12(10-11KV) armored removable AC metal-enclosed switohgear – Jonchn detail pictures


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We stay with our company spirit of "Quality, Performance, Innovation and Integrity". We goal to create more value for our clients with our abundant resources, advanced machinery, experienced workers and superb solutions for China Wholesale 11kv Compact Substation Manufacturer – KYN28A-12(10-11KV) armored removable AC metal-enclosed switohgear – Jonchn , The product will supply to all over the world, such as: Johor, Liberia, Madras, The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.
  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Mary from Cambodia - 2017.06.22 12:49
    Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Klemen Hrovat from Netherlands - 2018.06.26 19:27