SM66-40.5 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, SM66-40.5 unit type SF6 RMU can completely meet the requirement of continuously variable market. It can take self-produced RLS-40.5 load break switch; also according to the demand of users 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-40.5 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.
a) Air temperature: Maximum temperature: +40℃; Minimum temperature:-25℃ b) Humidity: Monthly average humidity 95%; Daily average humidity 90% . c) Altitude above sea level: Maximum installation altitude: 2000m d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. e) No frequent violent shake
Units for all functions:
1. Incoming unit with switch disconnector(Load break switch) schemas with other extra components optional 2. Outgoing unit with Fuse-switch protection schemas with other extra components optional 3.Incoming/outgoing circuit breaker protection schemas with other extra components optional 4. MV metering schemas with other extra components optional 5. Casings (Bus bar Panel) schemas with other extra components optional
Main technical specifications:
1min Power frequency withstand voltage
Lightning impulse withstand voltage
Rated short circuit breaking current (peak)
Rated active load/close circuit breaking current
Rated transferring current
Rated short circuit making current (peak)
Rated cable(line) charging breaking current
50 and 10
Cable charge breaking current in earthing fault
Rated withstand current (peak)
Short time withstand current (2s)
1.quick response in before sales period help you got order. 2.excellent service in production time let you know each step we made. 3.reliable quality solve you after sale headache. 4.long period quality warranty ensure you can buy without hesitate.
WHY CHOOSE POWERTECH:
1. One-stop supplier globally. 2. More than 10 years professional experiences in electrical appliance industry. 3.We offer professional online technology support for perfecting your electrical solution free. 4. Experienced sales service and suggestion. 5. All the products with accessories under strict quality control and final inspection before shipping. 6. We can assure the powerful competitive price and reliable quality products. 7. Most competitive shipping rate from our own shipping forwarder. 8. Warranty assurance: 12 month 9. Whatever big or small order, we can provide you one-to-one service.
Contact person: Mr. Chen Chengming Tel:86-570-5657760 Mobile:86-18668777248
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