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Help CenterVacuum Circuit Breaker Cubicle, SF6 Gas Insulated RMU
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Specifications
1.Modular indoor high voltage RMU2.KEMA type test, IEC standards
3.Extensible or not
4.For incoming/outgoing circuit
GLX24 series SF6 Ring Main Unit is an estensible SF6 insulated siwtchgear, with rated voltage of 12&24kV. All its HV live parts are contained in an air-tight gas tank, which is made from stainless steel of 3mm. The whole switching assebly is SF6 insulated, and free from any external influence, ensuring it great reliability of service and maintenance free. By plug-in type busbar extension,
GLX24 series RMU can be of free combination and full modularization. The busbar extension has passed type test for power and thermal stalility, and is fully insulated and shielded, exhibiting high reliability and safety.
GLX24 series Ring Main Unit is suitable for all MV network up to 24KV, all compact power stations, power distribution substations in all important industries, such as petrol-chemical industry, metallurgical and mining industries, and all transformer substations and wing power system.
Conformity with standards
GLX24 series meets the following international standards and national standards:
GB11022-1999 IEC60694:2002
GB3906-2006 IEC62271-200:2003
GB3804-2004 IEC60265-1:1997
GB1984-2003 IEC62271-100:2001
GB16926-1997 IEC62271-105:2002
GB1985-2004 IEC62271-102:2002
Vacuum circuit breaker panel is used for incoming/outgoing circuit, and can be equipped with microcomputer protection unit.
Structure of GLX24-V unit
Technical Data
Description |
Unit |
Value |
|
Rated Voltage |
kV |
12 |
24 |
power frequency withstand voltage(1min) phase to phase |
kV |
42 |
50 |
power frequency withstand voltage(1min) between open contacts |
kV |
48 |
64 |
Rated frequency |
Hz |
50,60 |
50,60 |
Rated current |
A |
630 |
630 |
Rated short circuit breaking current |
kA |
20 |
20 |
Mechanical lifetime |
Ops. |
10000 |
10000 |
Protection degree |
|
IP4X |
IP4X |
Standard configuration
- Busbar 630A
- VCB for transformer/circuit protection, 630A
- Spring operating mechanism for VCB
- Disconnector/earthing switch with three positions
- Operating shaft for disconnector/earthing switch
- Mechanical interlock between VCB and disconnector, position indicator
- Cable bushing 630A, with function of sensor, front mounted horizontally
- Voltage indicator
- Padlock on faceplate for every switch
- SF6 gauge (only one in block version)
- Earthing busbar
- Interlocks between lower front door and ES/operating shaft
- Interlocks between drives of VCB and disconnector
- Button, indication lamp and wiring terminals
- Relay protection device
Optional configuration
- Extensible busbar bushing
- interlock between bushing and ES (ES is locked while there is voltage on bushing)
- Electrical mechanism DC 24/48/110/220V, AC 110/220V
- Closing shunt release DC 24/48/110/220V, AC 110/220V
- Tripping shunt release DC 24/48/110/220V, AC 110/220V
- Loop current transformer for metering and current meter
- Lightning arrester or double cable connector
- Auxiliary contacts
- Position of VS 2NO+2NC
- Position of DS 2NO+2NC
- Position of ES 1NO+1NC
- Dew controller and heater
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