Sf6 Gas Insulated Ring Main Unit, Type Grm

• Certification: ISO9001
• Shell Material: Steel Plate
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Cabinet
• Current: AC
• Model NO.: GRM
• Rated Voltage: 24kv
• Rated Current: 630A
• Standard: IEC/ANSI Standard
• Transport Package: Wooden Case
• Specification: width: 325
• Trademark: GRENO
• Origin: Xiamen
• Production Capacity: 5000sets/Year

Product Description

SF6 Gas Insulated Ring Main Unit , type GRM

Introducing our Medium Voltage Switchgear, an essential Electrical Panel for your power distribution needs. With our ISO9001 certification and sturdy Steel Plate enclosure, you can trust in its reliability. Suitable for Medium Voltage applications.

Product 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 Satisfaction

Project	Cable feeder	Transformer feeder	Breaker V unit
Rated voltage	12/24	12/24	12/24
Rated frequency	50 or 60	50 or 60	50 or 60
Rated insulation level
Power frequency withstand voltage	50/60	50/60	50/60
Lightning impulse withstand voltage	125/145	125/145	125/145
Rated current	630	≤125 Note1	630
Breaking closing ability
Rated active load breaking current	630		630
Active load breaking current	31.5		31.5
Rated cable charging breaking current	10		10
Rated breaking current transfer		2700
Rated short-circuit breaking current		Note2	20
Rated short-circuit current	50		50
Dynamic thermal stability capabilities
Rated short time withstand current	20		20
Rated short duration	3		3
Rated peak withstand current	50		50
Mechanical life Times	3000	3000	3000
Other
Ambient temperature ºC	-40 ~ +60	-40 ~ +60	-40 ~ +60
Gas pressure...ºC when the gauge...	0.03	0.03	0.03
Degree of protection	IP67 Gas tank IP67

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

Welcome to GRENO (XIAMEN) SWITCHGEAR CO., LTD.

Thank you for considering our products. We are pleased to provide you with the following information:

FAQ

1. How long is the warranty period?   The warranty period is normally 12 months.
2. What payment terms do you accept?   We accept T/T, West Union, and other payment methods upon request.
3. How do I place an order?   Please send us your detailed requirements and we will assist you with the order process.
4. How about type testing?   Our clients have successfully passed type tests in Europe, and we have also conducted type testing in China.

If you have any further inquiries, please feel free to contact us at any time. We are here to assist you.