Engineered for secondary distribution networks, the RM6-12 is a fully sealed RMU that delivers maintenance-free switching and protection for over 30 years. Its rugged IP67 stainless steel tank encloses all live parts within SF6 gas, immune to moisture, dust, and corrosion.
Available in three configurations—C (load break switch), F (fuse-switch), and V (vacuum circuit breaker)—it adapts to urban grids, industrial sites, commercial buildings, and renewable projects. Fully certified to IEC 62271-200 and GB3906 standards. Built to last. Built to perform.
Item | C Module | F Module | V Module |
Rated voltage (kV) | 12 | 12 | 12 |
Rated frequency (Hz) | 50 | 50 | 50 |
Rated current (A) | 630 | 630 | 1250/630 |
Insulating gas | SF6 | SF6 | SF6 |
Rated closed-loop breaking current (A) | 630 | 630 | |
Rated cable charging breaking current (A) | 10 | 10 | |
Rated short-circuit breaking current (A) | 50 | 80 | |
Mechanical life (Cycles) | 5,000 | 5,000 | 5,000 |
Main switch (Cycles) | 10,000 | 10,000 | 10,000 |
Fully sealed SF6 gas insulation ensures stable dielectric performance in all environmental conditions
IP67-rated 3mm stainless steel tank provides complete protection against moisture, dust, and corrosion
30-year maintenance-free service life drastically reduces total cost of ownership
Three configurable variants available: C-type load break switch, F-type fuse-switch combination, and V-type vacuum circuit breaker
Compact footprint enables easy installation in underground vaults, compact substations, and space-constrained sites
Fully type-tested and certified to IEC 62271-200 and GB3906 standards
Proven reliability across diverse applications including urban grids, industrial parks, commercial centers, and renewable energy projects
· Urban power distribution networks and underground ring grids
·Commercial complexes, high-rise buildings, and shopping centers
·Industrial parks, manufacturing facilities, and mining operations
·Renewable energy projects including solar farms and wind power plants
·Data centers and critical infrastructure requiring high-reliability power supply
·Prefabricated substations and compact secondary distribution stations
·Infrastructure projects such as airports, railways, and hospitals
·Indoor installation recommended, suitable for confined spaces such as cable vaults and basements
·Ambient temperature range: -25°C to +55°C for reliable operation across diverse climates
·IP67 protection rating permits installation in dusty, humid, or temporarily flooded environments
·Compact modular design allows flexible arrangement and easy integration into existing switchgear rooms
·No special ventilation or cooling systems required due to sealed SF6 insulation
·Floor-standing mounting with front-access design for simplified installation and future expansion
·Suitable for both ring and radial network topologies without additional system modifications
Customized Solution
For detailed drawings, type-test reports, or specific model quotations, please click "Send Inquiry" or contact us directly via the information on the right. Our engineering team will provide one-on-one selection support tailored to your project requirements.
Q1. Are you a trading company or manufacturer?
A: We are a professional factory with 10 years of experience in the field of High and Low voltage switchgears, substations, transformers, cable distribution boxes, and various electrical equipment, such as vacuum circuit breakers, load break switches, etc.
Our factory is an excellent supplier of the State Grid Corporation of China.
Q2. Do you accept customized service?
A: We offer OEM/ODM service, and can print your logo on the product. Our professional, technical, and quotation team can provide a satisfactory project according to your drawing and parameters.
Q3. What is your MOQ?
A: Our MOQ is 1 piece.
Q4. How long is your delivery lead time?
A: It depends on your product requirement and quantity. Generally, 5~10 working days are available
Q5. How do you solve quality problems?
A: Please provide detailed photos of quality problems. Our technical and quality testing department will analyse. We will make a satisfactory solution within 2 days.
Q6. What are your payment terms?
A: 30%T/T in advance,70% before shipment. West Union, L/C are also acceptable.
