Insulated Ring Main Unit Distribution Board

• 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

Product Description:

 

The HCM-40.5 SF6 RMU by Guang Dong Hao Cheng Electric Co., Ltd is a fully insulated, fully enclosed, common box compact medium voltage series ring main unit. 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 can be expanded on both the left and right sides as needed. The explosion-proof channel at the bottom of the gas tank is equipped with an explosion-proof diaphragm to effectively prevent high-pressure gas damage 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, enclosed, and compact design suitable for any outdoor environment.


• Modular, multi-functional combination with high reliability and compact structure to reduce substation 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.




•  

 

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

 

Product Description

 

Scope of Application: Our products are extensively used in industrial and civil ring networks, terminal power supply, power plants, substations, commercial areas, high-rise buildings, industrial and mining enterprises, airports, expressways, subways, and tunnels. They are particularly suitable for underground, plateau, frozen soil, coastal, humid environments, densely populated areas, and land-expensive regions.

 

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 research, development, production, and sales of intelligent HV/LV power plants, power transformers, and distribution boxes. Our company boasts strong marketing and technology development capabilities, with a construction area exceeding 20,000 square meters and a production base exceeding 12,000 square meters. We hold ISO9001, ISO14001, ISO45001, and national "3C" certifications, emphasizing the importance of independent intellectual property rights and innovation. Recognized as a "hi-tech enterprise" in 2019 and the "Intelligent Distribution Equipment Engineering Research Center of Nanhai District, Foshan" in 2020, our products are integral to numerous national key projects.

 

Product Display

Certifications

 

 

Production Equipment

 

 

Packaging & Shipping

Customer Case
 

FAQ

Haocheng Electric - Product Description

 

Welcome to Guang Dong Hao Cheng Electric Co., Ltd

 

We are a professional manufacturer specializing in HV/LV switchgear, dry and oil type transformers, substation equipment, and more. Our products are designed to meet international standards and customer requirements, ensuring top-quality performance and reliability.

 

Product Features:

 

• 12 months warranty


• Production time: 25 to 45 days


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


• Strict quality control with IEC, SGS, Intertek, CCC, CE certifications


• Customized transformers available with technical drawings and specifications


 

 

Why Choose Us:

 

• Over 6 years of manufacturing experience


• Patent certificates, type test reports, ISO9001, ISO14000 certification


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


• Raw material stock to shorten production lead time


 

 

Contact Us:

 

For accurate pricing and more information, please visit our official website or contact us through Made-in-China. We look forward to serving your electrical equipment needs.