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  • 12kV 24kV air insulated Ring Main Unit (RMU)
12kV 24kV air insulated Ring Main Unit (RMU)
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Model
SM66-24
Basic info Product Detail Supplier
Basic info
Brand ROCKWILL
Model NO. 12kV 24kV air insulated Ring Main Unit (RMU)
Rated voltage 24kV
Rated normal current 630/800A
Rated frequency 50/60Hz
1min Power frequency withstand voltage 60kV
Series SM66
Product Detail

Description ：

SM66-12/24 unit type SF6 RMU with SF6 load switch as main switch, for whole  cabinet is suitable for electric distribution automation and compact also expandable  metal close switchgear. It characters in its simple structure, flexible operation, reliable  interlocking and convenient installation etc., which can provide the satisfactory  technical projects both for different application occasions and users. With the  adoption of sensor technology and the protection relay up to date, plus the advanced  technology and flexible assembly project, SM66-12/24 unit type SF6 RMU can  completely meet the requirement of continuously variable market. It can take  self-produced RLS-12/24 load break switch; also according to user's demand can be  assembled with the internationally top-ranking RCB series vacuum circuit breaker  with permanent magnetic mechanism made by AREVA or HD4 type SF6 circuit  breaker made by AREVA or HD4 type SF6 circuit breaker made by ABB or with our  VSC-12/24 type vacuum circuit breaker with permanent magnetic mechanism.  Operational methods for the main switch inside ring main unit can be either manual or  electric power driven. And It can meet the requirement of "Four Controls" when  matched with FTU and RTU.

Technical feature:

  • Good Insulation Performance；

  • Strong Arc Extinguishing Ability；

  • High Safety；

  • Flexible and Reliable Operation；

  • Compact Structure and Modular Design；

  • High Degree of Intelligence.

Technology parameters:

12kV 24kV air insulated Ring Main Unit (RMU).png

Note: For short circuit breaking and peak current is based on Fuse plus combination.

Q:What is the purpose of a ring main unit RMU?

A:A ring main unit (RMU) is used to distribute electrical power in a medium - voltage distribution network. It allows for sectionalizing the network, isolating faults, and enabling power transfer between different sections of the ring - shaped power network, ensuring reliable power supply.

Q:What does the RMU stand for?

A：RMU stands for Ring Main Unit. It is a type of electrical switchgear used in medium-voltage electrical distribution systems, typically for distributing power in a ring circuit configuration.

 

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ROCKWILL
Rockwill Electric Group Global Manufacturer of High voltage and medium-voltage power equipment and smart grid solutions. Headquartered in Wenzhou, China. Serving 100+ countries with quality, innovation, and trust. What We Offer: • HV-MV switchgear (VCB, SF₆ circuit breakers, RMU, GIS) • Distribution transformers and substations • Smart grid and monitoring systems • Solar, wind, EV charging, and energy storage solutions • EPC turnkey power projects Certified: ISO 9001 / ISO 14001 / ISO 45001
Main Categories
High Voltage Electrical Apparatus
Business Type
Design/Manufacture/Sales
Highest Annual Export (USD)
$150,000,000
Professional Experience
16 years
Workplace
108000m²m²
占位
占位
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Air insulated Ring Main Unit (RMU)
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