Resistant Metal Box Ring Main Unit 40.5kv

• Certification: CCC, ISO9001
• Shell Material: Stainless Steel
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Floorstanding
• Current: AC
• Model NO.: HCM-40.5
• Ambient Temperature: -35c-+40c
• Seismic Capacity: 8 Degree
• Application Range: Power Plants
• Shell Protection Grade: IP30
• Rated Voltage: 40.5kv
• Features: Full Sealed&Insulation, Metalclad Withdrawable
• Transport Package: Plywood Case
• Specification: 375*900*1900, 500*900*1900, 750*900*1900
• Trademark: HC
• Origin: Foshan, Guangdong, China
• HS Code: 8537209000
• Production Capacity: 10000

Product Description

Product Overview

HCM-40.5 SF6 Fully Insulated Ring Main Unit

 

Introducing the HCM-40.5 SF6 fully insulated, fully enclosed ring main unit (RMU) by Guang Dong Hao Cheng Electric Co., Ltd. This compact medium voltage series RMU features switchgear and main bus sealed in a shell filled with SF6 gas, providing complete insulation, sealing, expandability, and ease of combination. Each SF6 insulated gas box is expandable on both left and right sides, offering flexibility in configuration. The explosion-proof channel at the bottom of the gas tank includes an explosion-proof diaphragm to effectively prevent damage from high-pressure gas to individuals, cables, and other switchgear in the substation.

Main Tech Parameters

Item		Unit	Scheme C LBS unit	Scheme F LBS-fuse combination unit	Scheme V circuit breaker unit	Scheme V Disconnecting/E/S switch
Rated voltage		kV	12(24)
Rated insulation level	1 min power frequency withstand voltage	kV	42/48(65/79)
	Lightning impulse withstand voltage		75/85(125/145)
Rated frequency		Hz	50
Rated current		A	630	125	630	630
Rated short ciecuit breaking current		kA			20/25	20/25
Rated short time withstand current		kA	20	20/25	20/25	20/25
Rated short circut making current		kA			63	63
Rated peak withstand current		kA	50	50	63	80
Rated off-phase ground fault breaking current		kA	17.3	21.7	21.7	17.3
Rated short circuit duration		S	4
Rated operating sequence			O-0.3S-CO-180S-CO
Mechanical endurance		times	10000

Product Features

 

Product Description

 

Introducing the innovative products from Guang Dong Hao Cheng Electric Co., Ltd:

 

• Fully insulated, fully enclosed, and compact design suitable for any outdoor environment.


• Modular, multi-functional combination with high reliability and compact structure to reduce the floor area of the substation room.


• Safe and reliable, with long-life maintenance-free operation.


• Flexible expansion capabilities to meet the requirements of end users or network nodes.


• Designed to meet the needs of various distribution switching stations, prefabricated power substations, and cable branch boxes.




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Product Description

 

Scope of Application: Our products are extensively utilized in industrial and civil ring networks, terminal power supply, power plants, substations, high-rise buildings, airports, expressways, subways, and tunnels. They are especially suitable for challenging environments like underground, plateau, frozen soil, coastal, and humid areas.

 

Company Profile: Guangdong Haocheng Electric Co., Ltd is a leading enterprise in the electrical equipment industry in Guangdong province. With a registered capital of CNY 50.01 million, we specialize in the R&D, production, and sales of intelligent HV/LV power plants, power transformers, and distribution boxes. Our company holds certifications such as ISO9001, ISO14001, ISO45001, and national "3C" certification, showcasing our commitment to quality and innovation.

 

In 2019, we were honored as a "hi-tech enterprise" by the science and technology, finance, and tax bureau of Guangdong province. In 2020, our R&D department was recognized as the "Intelligent Distribution Equipment Engineering Research Center of Nanhai District, Foshan." With a strong focus on developing independent intellectual property rights, we have successfully completed over 20 innovation patents, demonstrating our dedication to technological advancement.

 

Our products are integral to various national key projects, offering a wide range of solutions for smart power grids. With a construction area exceeding 20,000 square meters and a production base of over 12,000 square meters, Guangdong Haocheng Electric Co., Ltd is equipped with the capabilities to meet the diverse needs of our customers.

 

Product Display

Certifications

 

 

Production Equipment

 

 

Packaging & Shipping

Customer Case
 

FAQ

Guang Dong Hao Cheng Electric Co., Ltd

 

Welcome to Guang Dong Hao Cheng Electric Co., Ltd

 

We are a professional manufacturer of HV/LV switchgear, dry and oil type transformers, substation equipment, and more. Our products are manufactured in accordance with international standards and come with various certifications such as IEC, SGS, Intertek, CCC, and CE.

 

Product Features:

 

• 12 months warranty


• Production time: 25 to 45 days


• Payment terms: T/T, L/C, or negotiation


• Customized transformers available with technical drawing and specification documents


 

 

Quality Assurance:

 

All transformers undergo 100% routine test, type test, and special test to ensure top-notch quality.

 

Why Choose Us:

 

• Over 6 years of manufacturing experience


• Patent certificates and ISO certifications


• Audited supplier of *** and Made-In-China


 

 

Contact us for accurate pricing and more information via Made-in-China or our official website.