Switchgear, Electrical Switch Panel, Panel Board

• Protection: Shock Resistance
• Installation: Vertical
• Housing: Stainless Steel
• Rated Voltage: 11/22kv,6.6kv,24kv
• Rated Current: 630A
• Standard: IEC /ANSI Standard
• Model NO.: GRM-C
• Usage: Electricity Transmission Project
• Transport Package: Plywood Case
• Specification: width: 325mm
• Trademark: GRENO
• Origin: Xiamen, China
• Production Capacity: 50000 Sets/Year

Product Description

SF6 gas insulated ring main unit(RMU/C-GIS):

Safe ring/plus RMR type SF6 gas insulated ring main unit is integrating with SF6 infill cabinet which gather with LBS, VCB, Fuse, ES, DS, etc.

By the perfect integration of stationary type and flexible expansion, RMR type SF6 gas-insulating compact close metal switchgear(Ring main unit) with the adoption of the modular design, is suitable for end-user or network node, meanwhile meets the requirement of all kinds of switching substations cabinet-type transformer substations and cable branch cabinets. It characters on its compact structure, safety and reliability, longevity and maintenance free.

This product is in conformity with the standards of IEC60420,GB/T11022,GB3804,GB3906.

 

Technical Data
No.	Item	Unit	Parameters
			12kV		24kV
1	Rated Voltage	kV	12		24
2	Rated Current	A	630		630
3	Rated Frequency	Hz	50/60		50/60
4	Rated Power Frequency Withstand Voltage 1 min	kV	48		50	65
5	Rated Lightning Impulse Withstand Voltage	kV	85		125	125
6	Rated Short-lime Withstand Current	kA/S	20/4	25/4	20/4	20/4
7	Rated Breaking Current	kA	20	25	16/20	20
8	Rated Short Circuit Making Current (Peak)	kA	50	62.5	40/50	50
12/24kV complies with:
- IEC 62271-200(2011). 1EC 6227M. IEC62271-100.1EC 62271-102 (2012). IEC 62271-103(2011). 1EC 6227MO5.1EC 60529:
-GB 1984-2003, GB 3906-2006, GB 1985-2004, GB 38(M.20O4, GB.T 11022-1999.

Ambient temperature
Maximum temperature + 45°C 
Minimum temperature -45°C
Humidity Level
Maximum comparative average humidity
Daily average  ≤95%
Monthly average ≤90%
Altitude  3000 M
Seismic capacity level 8
Water submersion test
4 hour water resistance at a pressure of 0.3bar and voltage of 12 KV.
 Degree of protection
Sealed electrified body IP67
Fuse tube IP67
Metal enclosure IP4X
 Busbar
Internal earthed busbar 150 mm2Cu
Thickness of insulation bushing 12.0 mm
The diameter of sealed and insulated busbar 25.0 mm