Metal-Clad Circuit Breaker Power Distribution Box

• Certification: VDE, CCC, ISO9001
• Shell Material: Steel Plate
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Cabinet
• Current: AC
• Model NO.: KYN28A-12
• Earthquake Intensity: Magnitude 8
• Rated Voltage: 12~40.5kv
• Weight: 840-1500kg
• Storage Conditions: Sheltered From The Sun and Rain
• Rated Frequency: 50/60Hz
• Phase: Three
• Protection Level: Enclosure IP4X
• OEM: Avaliable
• Transport Package: Plywood Case
• Specification: W: 600, 800, 1000; D: 1550, 1660; H: 2300
• Trademark: HC
• Origin: Foshan, Guangdong, China
• HS Code: 8537209000
• Production Capacity: 10000

Product Description

Product Overview

KYN28A-12 Indoor Withdrawable Metal-Clad AC Switchgear (referred to as mid-set cubicle) is designed by Guang Dong Hao Cheng Electric Co., Ltd for 3.6-12kV three-phase AC 50Hz power grids. It is suitable for single bus, single bus sectional, and double bus power systems. This product boasts a compact size, elegant design, high durability, excellent corrosion resistance, and versatile interchangeability. With superior performance, it serves as an ideal replacement for various outdated switchgear models.

Main Tech Parameters

Item			Unit	Paramete
Rated voltage			kV	12
Rated insulation level	Power frequency withstand voltage(1min)	P to P&P to E	kV	42
		Break	kV	48
	Lightning impulse withstand voltage	P to P&P to E	kV	75
		Break	kV	85
	Secondary circuit withstand voltage(1min)		kV	2
Rated frequency			Hz	50
Rated current of VCB chamber			A	630
Rated current of switchgear			A	630
Rated peak withstand current			kA	40,50,63,80,100,125
Rated short time withstand current			kA	16,20,25,31.5,40,50
Rated short circuit duration			s	4
Rated short circuit breaking current(for VCB)			kA	16,20,25,31.5,40,50
Rated short circuit making current(peak)(for VCB)			kA	16,20,25,31.5,40,50
Loss of service continuity category(LSC)of compartment				LSC2B
IP code	Shell			IP4X
	VCB chamber door opened			IP2X
Isolating sheet grade				PM(metal partition barrier)
Protection requirement of entering each compartment	Enter into busbar compartment			Special tools must be uesd
	Enter into cable compartment			Accord with interlock specification and use special tools
	Enter into other high-voltage compartment
Internal arcing grade				IAC
Dimension	Width		mm	650,800,1000
	Depth		mm	1500,1660
	Height		mm	2300
Mass			kg	700-1200

 

Product Features

 

 

Product Description

 

Introducing the innovative circuit breaker system from Guang Dong Hao Cheng Electric Co., Ltd:

 

• The central circuit breaker trolley effectively prevents moisture infiltration, enhancing insulation levels.


• The draw-out type combination unit offers excellent interchangeability and requires minimal maintenance.


• With the circuit breaker handcart, closed-door operations are easily achievable.


• Each compartment features an independent pressure release channel for added safety.


• The "five prevention" device ensures reliable performance.


• Wall bushings separate the busbars between adjacent panels, limiting fault spread.


• The earthing switch boasts fast closing ability, convenient maintenance, and grounding for enhanced personal safety.




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Experience superior quality and safety with our advanced circuit breaker system.

 

 

Product Description

 

Scope of Application: Our products are primarily utilized for power generation, distribution, substations, industrial and mining enterprises, real estate, and secondary substations within the power system.

 

Company Profile: Guangdong Haocheng Electric Co., Ltd is a leading entity in the electrical equipment industry in Guangdong province. With a registered capital of CNY 50.01 million, we specialize in the research, development, production, and sales of intelligent HV/LV power plants, power transformers, and distribution boxes. Our company boasts robust marketing and technology development capabilities, with a construction area exceeding 20,000 square meters and a production base surpassing 12,000 square meters. HC Electric is ISO9001, ISO14001, ISO45001, and national "3C" certified, emphasizing the importance of independent intellectual property rights research and development. With a focus on innovation, we hold over 20 patents and have been recognized as a "hi-tech enterprise" in 2019 and as the "Intelligent Distribution Equipment Engineering Research Center of Nanhai District, Foshan" in 2020. Our products are integral to various national key projects, contributing to the advancement of smart power grids.

 

 

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