Ring Main Unit Switchgear for Power Plants

• 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, common box compact medium voltage series ring main unit (RMU) by Guang Dong Hao Cheng Electric Co., Ltd. This 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 the left and right sides. The explosion-proof channel at the bottom of the gas tank is equipped with 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:

 

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


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


• Safe, reliable, and maintenance-free with a long lifespan.


• Flexible expansion capabilities to meet end user or network node requirements.


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




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Company Name: Guang Dong Hao Cheng Electric Co., Ltd

Guang Dong Hao Cheng Electric Co., Ltd



 

Product Description

 

Scope of Application

 

Our products are widely used in industrial and civil ring networks, terminal power supply, power plants, power transmission, substations, switching stations, commercial areas, high-rise buildings, industrial and mining enterprises, airports, expressways, subways, and tunnels. They are especially suitable for underground, plateau, frozen soil, coastal, humid environments, densely populated areas, and land-expensive 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 has strong marketing and technology development capabilities, with a production base spanning over 12000 square meters. We hold certifications such as ISO9001, ISO14001, ISO45001, and national "3C" certification. Our focus on R&D has led to the development of over 20 innovation patents.

 

In 2019, we were recognized as a "hi-tech enterprise" by the science and technology, finance, and tax bureau of Guangdong province. In 2020, our R&D department was acknowledged as the "Intelligent Distribution Equipment Engineering Research Center of Nanhai District, Foshan." Our products are integral to various national key projects.

 

Product Display

Certifications

 

 

Production Equipment

 

 

Packaging & Shipping

Customer Case
 

FAQ

Product Description

 

Welcome to Guang Dong Hao Cheng Electric Co., Ltd

 

At Guang Dong Hao Cheng Electric Co., Ltd, we are a professional manufacturer specializing in HV/LV switchgear, dry and oil type transformers, substations, and more. Our products are manufactured in accordance with international standards and customer requirements, ensuring top-notch quality.

 

Product Information:

 

• Warranty: We offer a 12-month warranty on all our products.


• Production Time: Our production time ranges from 25 to 45 days, depending on order requirements.


• Payment Terms: We accept T/T, L/C, or negotiation for payment.


• Quality Control: All our transformers undergo rigorous testing to meet IEC, SGS, Intertek, CCC, CE, and other international certifications.


• Customization: To make a customized transformer, technical drawings and specification documents are required.


• Trustworthiness: With over 6 years of manufacturing experience, numerous patent certificates, type test reports, and ISO certifications, we are a trusted supplier globally.


 

 

For more information, please contact us via Made-in-China or visit our official website.