BQRM16-12 Full Gas Insulated RMU

BQRM16-12 is a metal enclosed switchgear insulated with SF6 gas, which can be composed of modules such as load switch unit, load switch fuse combination electrical unit, vacuum circuit breaker unit, and busbar incoming unit. Adopting a series of advanced technologies and materials, it has excellent electrical and mechanical properties.

BQRM16-12 Full Gas Insulated RMU

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Product Profile

◆Product Summary

SRM□-12 Full Gas Insulated RMU is indoor cabinet type AC metal sealed switching device,with AC 10kV and 50/60Hz.It issuitable for distribution systems,ring power supply and biradial power supply system in factories,workplaces,residential high-risebuildings,it possesses functions of receiving,distribution and protection.It can also used in the prefabricated substation.

◆Environmental Conditions

1.Ambient Temperature:No more than+40℃,No less than -40℃.Average temperature no more than +35℃ within 24 hours.

2.Altitude:No more than 2000m.

3.Relative Humidity:the average daily value is no more than 95%,the average monthly value is no more than 90%.

4.Earthquake Intensity:No more than 8 degrees.

5.Vapor Pressure:the average daily value is no more than 2.2kPa,and the average monthly value is no more than 1.8kPa.

6.Installation locations without fire,explosion danger,serious pollution,chemical corrosion and violent vibration.

◆Product Features

1.Fully sealed design,all 10kV switches and busbar electrified bodies are sealed in the gas box welded by 3mm stainless steel plate,and the silicon rubber cable plug is applied to achieve the full insulation seal of the cable head,so that it is not affected by externalenvironment such as dust,humidity and small animals.

2.The switching device has a perfect five-preventions,with simple and clear operation procedures.

3.Modular design.Each unit module can be combined and extended arbitrarily,which is easy to schemes combination,with a wideapplicable range.

4.Big capacity for feeder line,small occupation,suitable for a variety of needs,wide range of applications.

5.Equipment maintenance-free,highly reliable performance.

ContentUnitC ModuleF ModuleV ModuleCB   Module
Load SwitchLoad Switch
With Fuse
Vacuum SwitchDisconnector/
Earthing Switch
Vacuum Circuit Disconnector/
Breaker        Earthing Switch
Bated VoltagekV121212121212
Rated FrequencyHz50/6050/6050/6050/6050/6050/60
Power Frequency Withstand Voltage in 1 minkV42/4842/4842/4842/4842/4842/48
Lightning Impulse Withstand Voltage(Peak)kV75/8575/8575/8575/8575/8575/85
Rated CurrentA630   注 ”630
1250/630
Rated Closed Loop Breaking CurrentA630




Rated Cable Charging Breaking CurrentA10




Rated Short Circuit Making CurrentA508050506363
Rated Peak Withstand CurrentkA50
50
63
Rated Short Time Withstand CurrentkA/3S20
20
25
Rated Short Circuit Breaking CurrenkA
31.520
25
Rated Transfer CurrentA
1700



Max.Rated current of fuseA125



Loop ResistanceμΩ≤300≤600



Mechanical Lifetimes500030005000200050005000
Note:1)Depends on the rated current of the fuse
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Product Profile

◆Product Summary

SRM□-12 Full Gas Insulated RMU is indoor cabinet type AC metal sealed switching device,with AC 10kV and 50/60Hz.It issuitable for distribution systems,ring power supply and biradial power supply system in factories,workplaces,residential high-risebuildings,it possesses functions of receiving,distribution and protection.It can also used in the prefabricated substation.

◆Environmental Conditions

1.Ambient Temperature:No more than+40℃,No less than -40℃.Average temperature no more than +35℃ within 24 hours.

2.Altitude:No more than 2000m.

3.Relative Humidity:the average daily value is no more than 95%,the average monthly value is no more than 90%.

4.Earthquake Intensity:No more than 8 degrees.

5.Vapor Pressure:the average daily value is no more than 2.2kPa,and the average monthly value is no more than 1.8kPa.

6.Installation locations without fire,explosion danger,serious pollution,chemical corrosion and violent vibration.

◆Product Features

1.Fully sealed design,all 10kV switches and busbar electrified bodies are sealed in the gas box welded by 3mm stainless steel plate,and the silicon rubber cable plug is applied to achieve the full insulation seal of the cable head,so that it is not affected by externalenvironment such as dust,humidity and small animals.

2.The switching device has a perfect five-preventions,with simple and clear operation procedures.

3.Modular design.Each unit module can be combined and extended arbitrarily,which is easy to schemes combination,with a wideapplicable range.

4.Big capacity for feeder line,small occupation,suitable for a variety of needs,wide range of applications.

5.Equipment maintenance-free,highly reliable performance.

ContentUnitC ModuleF ModuleV ModuleCB   Module
Load SwitchLoad Switch
With Fuse
Vacuum SwitchDisconnector/
Earthing Switch
Vacuum Circuit Disconnector/
Breaker        Earthing Switch
Bated VoltagekV121212121212
Rated FrequencyHz50/6050/6050/6050/6050/6050/60
Power Frequency Withstand Voltage in 1 minkV42/4842/4842/4842/4842/4842/48
Lightning Impulse Withstand Voltage(Peak)kV75/8575/8575/8575/8575/8575/85
Rated CurrentA630   注 ”630
1250/630
Rated Closed Loop Breaking CurrentA630




Rated Cable Charging Breaking CurrentA10




Rated Short Circuit Making CurrentA508050506363
Rated Peak Withstand CurrentkA50
50
63
Rated Short Time Withstand CurrentkA/3S20
20
25
Rated Short Circuit Breaking CurrenkA
31.520
25
Rated Transfer CurrentA
1700



Max.Rated current of fuseA125



Loop ResistanceμΩ≤300≤600



Mechanical Lifetimes500030005000200050005000
Note:1)Depends on the rated current of the fuse
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