rm6haibao

Ring Main Unit

RM6 Gas-Insulated Switchgear

The cornerstonIe of medium-voltage distribution systems

● IP67 Rated
● Dual Breakers & Grounding Interlock
● C/V/F Free Combination - Modular Design
● Safe and Reliable, Stable Performance
rm6haibao2

RM6-12

Modular Power, Sealed for Safety

Expandable Gas-Insulated Switchgear for Future-Ready Substations

Compact, maintenance-free design with shielded modules and automation integration for unmatched reliability in any environment.

WHAT IS A RING MAIN UNIT?

Modular, scalable design with sealed stainless steel housing for extreme environments. Combines fixed/expandable units, shielded busbars, and intelligent automation to ensure maintenance-free safety, reliability, and compact adaptability. Ideal for substations requiring flexible configurations and future-ready solutions.

FEATURES AND BENEFITS OF OUR RING MAIN UNIT

IP67 Rated

Dual Breakers & Grounding Interlock

C/V/F Free Combination - Modular Design

Safe and Reliable, Stable Performance

Gas-insulated Ring Main Units (RMUs)​​ enable safe, compact power distribution in medium-voltage grids (10-35kV). They ensure continuous supply via ring-network switching, fault isolation, and load management. Sealed SF6 insulation resists harsh environments, offering maintenance-free operation, space efficiency, and smart grid integration.


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APPLICATIONS OF CAPACITOR CABINETS

  • Industrial Manufacturing
  • Commercial Buildings
  • Utilities
  • Renewable Energy
IMG_6754-zhong-_1021_574

CUSTOMER CASES ABOUT OUR RING MAIN UNIT

Expertly delivering tailored switchgear solutions with speed and reliability, we lead in electrical engineering through quality, innovation, and exceptional support. Here are customized case maps from past clients.
RM6-12V
RM6-12V H1-H4
RM6-12V H1-H3
RM6-12V H1-H3

HELLO!

WHAT COULD WE DO FOR YOU?

APPLICATIONS OF OUR RING MAIN UNIT

What is a ring main unit - sf6 gas insulated switchgear?

A Ring Main Unit (RMU) is a type of electrical switchgear used in medium-voltage distribution systems to control, protect, and isolate electrical circuits. It is designed to provide a continuous and secure power supply by automatically detecting faults and isolating them to maintain the flow of electricity.


RMUs play a crucial role in ensuring that the power supply is uninterrupted, even during maintenance or when faults occur. By isolating the affected sections of the network, the RMU prevents the entire system from shutting down, ensuring minimal downtime and avoiding widespread disruptions.


The RMU is typically installed in a loop configuration, known as a "ring," which allows for redundancy in power distribution. This ring design provides flexibility by allowing power to flow through multiple paths, reducing the risk of an entire grid failing due to a localized issue.

RMUs: Powering Modern Grids with Reliability and Flexibility

WHY CHOOSE OUR RING MAIN UNIT FROM GIANT-ELECTRIC?

Zhejiang Zhegui Electric Co., Ltd., founded in Zhejiang, China, specializes in the research, manufacturing, and sale of low and medium voltage switchgear, distribution cabinets, circuit breakers, and more. We are committed to delivering high-quality, customized electrical solutions that meet the diverse needs of industrial sectors. Our skilled team ensures robust infrastructure support, making us a trusted partner for clients worldwide. Motivated by our achievements, Zhegui is dedicated to continuous improvement and contributing to the electrical industry in China and beyond.
CE-M.2021.206.C62337-XGN
CE-M.2021.206.C62337-XL-21
CE-M.2021.206.C62338-MNS

REAL SHOT OF OUR RING MAIN UNIT

Ring Main Unit - Sf6 Gas Insulated Switchgear-1
Ring Main Unit - Sf6 Gas Insulated Switchgear-2
Ring Main Unit - Sf6 Gas Insulated Switchgear-3
Ring Main Unit - Sf6 Gas Insulated Switchgear-4
Ring Main Unit - Sf6 Gas Insulated Switchgear-5
Ring Main Unit - Sf6 Gas Insulated Switchgear-6

ONE-STOP SERVICE

We know that quality customer service is the key to business success. Our professional service team is available 24/7 to ensure a timely response to your every need. From pre-consultation to after-sales support, we are committed to providing a seamless and efficient service experience to ensure that your every question is satisfactorily answered.

Demand Analysis

We first understand your specific needs and expected goals through in-depth communication to ensure that our solutions can fully meet your project needs.

Scheme Design

Based on the requirements analysis, our expert team will design the vacuum circuit breaker solution that best suits your needs, including product selection and system configuration.

Custom Manufacturing

Once the solution is determined, we will move to the custom manufacturing phase, using advanced technology and strict quality control to ensure that the product perfectly matches the design specifications.

System Integration

Our services go beyond product manufacturing to seamlessly integrate vacuum circuit breakers into your existing systems, ensuring overall operational efficiency and compatibility.

Installation And Commissioning

Our technical team will be responsible for on-site installation and commissioning, ensuring that every step meets technical requirements, and providing training so that your team can be skilled in operation and maintenance.

After-sales Support

We offer a comprehensive after-sales support service, including regular maintenance, troubleshooting and upgrade recommendations, to ensure the long-term stability of your system.

GET IN TOUCH WITH US

PHONE / WHATSAPP / SKYPE

+86 13353325100

ADDRESS

No.313 Wei 10 Road Economic Devlopment District, Yueqing City, Wenzhou City, Zhejiang Province, China
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