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Baoding Zhongyi Electrical Material Manufacturing Co., Ltd.

Switchgear, Medium Voltage Switchgear, Low Voltage Switchgears manufacturer / supplier in China, offering Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear, 3 Phase Dry Type Cast Resin Power Distribution Transformer, Three Phase Oil Immersed Distribution Electric Toroidal Power Transformer and so on.

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Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear

FOB Price: Get Latest Price
Min. Order: 1 Set
Port: Tianjin, China
Production Capacity: 2000 Units/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: KYN28
  • Shell Material: Steel Plate
  • Installation: Fixed
  • Current: AC
  • Reted Frequency: 50Hz/60Hz
  • Standard: ISO9001:2008/IEC Standard
  • Room Design: H.V.Transformer and L.V.Room
  • Special Service: Customized
  • Signal: Continuous
  • Transport Package: Wooden Case
  • Certification: CCC, ISO9001
  • Voltage Level: High Voltage
  • Structure: Withdrawable
  • Name: Medium Voltage Switchgear
  • Application: Industrial, High-Rise Buildings
  • Rated Voltage: 12kv
  • Switch: Cabinet Box
  • Switchgear: Hv/LV
  • Trademark: Zhongyi
  • Origin: Hebei, China
Product Description

Factory Electrical HV Switchgear AC 50/60Hz Kyn28 Medium Voltage Switchgear


Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear


Product Description

High and Low Voltage Complete Sets of Series Products


Model KYN28A-12 (GZS1-12)


Indoor AC Metal Clad Intermediate Switchgear Cabinet


KYN28A-12 (GZS1-12) Model Indoor AC Metal Clad Intermediate Medium Voltage Switchgear Cabinet. It is suitable for three-phase AC rated voltage 12KV, rated frequency 50Hz power system to receive and distribute the electrical energy and to control, protect and monitor the circuit.


Meet the standard:

GB3906-973-35KV AC Metal-enclosed Switchgear,
GB11022-89 High-voltage Switchgear General Technical Conditions,
IEC298 (1990)AC Metal-enclosed Switchgear and Control Equipment With Rated Voltage Above 1kv and 50kv or Below ,
DL404-97Order Technical Conditions for Indoor AC High Voltage Switchgear Cabinet


 1. Metal-enclosed and separately arranged, with high protection Category

2. Enclosure with Front -Cabinet protection and back-cabinet protection, the Board can be arranged and fixed along with the wall to save the spaces

3. Protection Category of enclosure reaches to IP4X,

4. Elec.Line Cabinet with full spaces for mount and arrange in-coming and out-going lines for the convenience of Fixing, protecting and maintaining





Rated Working Voltage



1Min Power Frequency Withstand  Voltage


32, 42

Lightning Pressing Voltage (Whole-Band)


60, 75

Rated Frequency



Main Busbar Rated Currenct


630, 1250, 1600, 2000, 2500, 3150*

Sub-Busbar Rated Currenct


630, 1250, 1600, 2000, 2500, 3150*

3S Thermal Stability Currenct (Effective Data)


16, 20, 25, 31.5, 40, 50

Rated Dynamic Stability Currenct (Peak Value)


40, 50, 63, 80, 100, 125

Protection Categoty


Enclosure:IP4X, CB Compartment open: IP2X

Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear
Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear

 Environmental Requirement


Normal Operation Conditions
1. Altitude 1000m
2. Ambient temperature: -10°C ~ +40°C (temperature can be as low as -25°C during transportation and storage)
3. Relative humidity: daily relative humidity 95% on average; monthly relative humidity 90% on average
4. Seismic scale of earthquake 8
5. The switchgear is applicable to category II contaminated environment.


Special Operation Conditions
If the switchgear will be used in conditions that exceed the normal environmental conditions, users shall
negotiate with the manufacturer.



The  Medium Voltage Switchgear is mainly used in power plants, small- and mediumsized power generators, industrial and mining enterprises, and secondary substations of power system for power receiving, power transmission, and startup of large-sized high-voltage motor in order to implement control, protection, and monitor.


Company Information

 Baoding Zhongyi Electrical material Manufacturing Co., Ltd. is located in Baoding City,Hebei Province,China. with an advantageous geographical location and convenient transportation. Our company covers an area of 30,000 square meters, the building area of 16,000 square meters. The registered capital of the company is RMB 81,000,000. 

Our main products:

oil-immersed power transformers,

dry-type transformers,

box-type substation,

Medium Voltage Switchgear

and a variety of special-type transformers.


The hoisting, tooling and testing equipments are complete. Our company has passed the ISO9001-2015 international standard quality management system certification. All performance indicators of the products have reached the relevant national standards and international standards.

 The oil-immersed power transformers and dry-type transformers have passed the Test Report of the National Supervision and Inspection Center for Energy-saving Product Quality; Complete sets of low voltage switchgear (GGD2) (GCK) has passed the Test Report of China Compulsion Certification (CCC) from the State Bureau of Quality and Technical Supervision for Electrical Products; Indoor AC dray-out type metal clad switchgear KYN28A-12 / 1250-31.5, fixed AC metal-enclosed ring network cabinet XGN15-12 / 1250-31.5 and XGN15 metal-enclosed switchgears have passed the Test Report of the National Quality Supervision and Inspection center for High-voltage Electrical Appliances Product .

Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear


Electrical Hv Switchgear AC 50/60Hz Medium Voltage Switchgear

Packaging and shipping:


1. Wrapped with plastic film. 
2. Fixed in a wooden case. 
3. Wooden case on a pallet.

4. Iron shelf 

5. Special packaging: According to customer's requirement


Delivery Details : 10-20 days according to order quantities



Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ?

A: Yes, we could offer the sample

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shippment.


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