24kv Sf6 V-Gis High Voltage Ring Main Unit Switchgear

• Certification: ISO9001, Type Test Report
• Shell Material: Stainless Steel
• Voltage Level: Medium Voltage
• Installation: Fixed
• Structure: Cabinet
• Current: AC
• Model NO.: GRM
• Transport Package: Wooden Case
• Specification: width 325mm
• Origin: Xiamen
• Production Capacity: 50000 Sets Per Year

Product Description

24kv GRM serie SF6 V-Gis High Voltage Ring Main Unit Switchgear

 

The GRM (GIS) is used for receiving and distributing electric energy in 6-24kV power system.
Widely used in processing industry, civil  and power supply terminal,such as:
· Railway, tunnel
· Small secondary distribution station
· Airport
· Switching station
· Urban residential area
Features:
· The switchgear is equipped with perfect "Five Prevention" interlock device, which can completely eliminate personnel injury and equipment operation failure caused by human error operation.
· The gas insulated switchgear uses SF6 gas as arc extinguishing and insulating medium
· The switchgear is fully sealed and insulated, and the protection level reaches IP67.
· The switchgear has reliable safe pressure relief channel, which can guarantee the safety of personnel even in extreme cases
· The whole switchgear is not affected by the external environment
  Compact size,  space-saving, easy installation
· The switchgear can be equipped with electric, remote control and detection devices according to different needs of users.
Technical Parameters
 

12kv Technical  Parameter	Unit	C module	F module	V module		CB module
		Load break switch	Switch fuse	Vacuum circuit breaker	Isolate/ earthing switch	Vacuum circuit breaker	Isolate/ earthing switch
Rated Voltage	KV	12	12	12	12	12	12
Rated Frequency	HZ	50	50	50	50	50	50
Power Frequence Withstand Voltage	KV	42	42	42	42	42	42
Impulse Withstand Voltage	KV	75/85	75/85	75/85	75/85	75/85	75/85
Rated Current	A	630	1250	630	630
Closed Loop	A	630
Off Load Cable Charging	A	10
Rated Active Load Drop-oput Current	A	630	630
When Earth Fault Frop out Current of Cable Charging	A	17.4
Short Circuit Drop-out Current	KA		31.5	25
Making Capacity	KA	50	note	63	63	63	63
Rated Short Time Withstand Current	KA/3S	20		20	20	25	25
Transfer Current	A		1700
Loop Resistance	μΩ	≤300	≤600
Mechanical Life	Times	5000	5000	10000	3000	10000	3000

 

24kv Technical  Parameter	Unit	C module	F module	V module		CB module
		Load break switch	Switch fuse	Vacuum circuit breaker	Isolate/ earthing switch	Vacuum circuit breaker	Isolate/ earthing switch
Rated Voltage	KV	24	24	24	24	24	24
Rated Frequency	HZ	50	50	50	50	50	50
Power Frequence Withstand Voltage	KV	65	65	65	65	65	65
Impulse Withstand Voltage	KV	125	125	125	125	125	125
Rated Current	A	630	125	630
Closed Loop	A	630
Off Load Cable Charging	A	10
Rated Active Load Drop-oput Current	A	31.5	630
When Earth Fault Frop out Current of Cable Charging	A	43.3
Short Circuit Drop-out Current	KA			20	20	25
Making Capacity	KA	50		50	50	63	63
Rated Short Time Withstand Current	KA/3S	20		16	16	20	20
Transfer Current	A		1400
Loop Resistance	μΩ	≤300	≤600
Mechanical Life	Times	5000	5000	10000	10000	10000	5000

 

Applicable conditions
Altitude:≤2000m
Ambient temperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%
Monthly average≤90%
Seismic capacity:8 degrees