CN

RM6-12 Fully-insulated & Hermetically-sealed Gas-insulated Ring Main Unit

The RM6-12 fully-insulated & hermetically-sealed gas-insulated ring main unit manufactured by our company has passed the type test conducted by the National High-Voltage Electrical Apparatus Test Center.Widely applied in 10kV/6kV power distribution systems, it is an ideal choice for urban and rural power transformation and distribution systems of various

Overview

The RM6-12 fully-insulated & hermetically-sealed gas-insulated ring main unit manufactured by our company has passed the type test conducted by the National High-Voltage Electrical Apparatus Test Center.Widely applied in 10kV/6kV power distribution systems, it is an ideal choice for urban and rural power transformation and distribution systems of various

Product Specification

                Model                 C Module F Module V Module CB Module
Composite Switch Combined Electrical Apparatus Vacuum Switch Isolator/Earth Switch Vacuum Circuit Breaker Isolator/Earth Switch
Rated Frequency kV 12 12 12 12 12 12
Rated Voltage Hz 50 50 50 50 50 50
Power Frequency Withstand Voltage(Phase-to-Phase/Port) kV 42/48 42/48 42/48 42/48 42/48 42/48
Lightning Impulse Withstand Voltage kV 75/85 75/85 75/85 75/85 75/85 75/85
Rated Current A 630 注1) 630   1250/630  
Rated Breaking Current A 630          
Rated Cable Charging Breaking Current A 135/135          
Rated Short-Circuit Making Current (Peak Value) A 50 80        
Rated Peak Withstand Current kV 50          
Rated Short-Time Withstand Current kV/3s 20          
Rated Short-Circuit Breaking Current kV   31.5 20   25  
Rated Transfer Current A   1750        
Maximum Current of Matching Fuse A - 125        
Loop Resistance -n ≤300 ≤600        
Mechanical Life 5000 3000 5000 2000 5000 5000

Note:1)Subject to the rated current of the fuse.


Model Description

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Dimension

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Application Field