Indoor Sf6 Ring Main Unit Electrical Equipment AC Metal Enclosed Gas Insulated Power Distribution Panel Board Switchgear

• Certification: CCC, ISO9001
• Shell Material: Epoxy Resin
• Voltage Level: Medium Voltage
• Structure: Floorstanding
• Current: AC
• Rated Voltage: 11/22kv,6.6kv,24kv
• Model NO.: GRM
• Rated Current: 630A
• Standard: IEC/ANSI Standard
• Usage: Electricity Transmission Project
• Transport Package: Safe Transportation Wooden Case
• Trademark: GRENO
• Origin: Xia Men
• Production Capacity: 550set/Sets Per Month&

Product Description

AC Metal Enclosed Gas Insulated Power Distribution Panel Board Switchgear

 

Product Description

This type of SF6 gas insulated RMU is a compact metal sealing device that adopts a modular design, with perfect integration of fixed and flexible expansion, to meet the requirements of end users or network nodes, meet various switch distribution needs, and meet the needs of box type substations and cable branch boxes. The structure is compact, safe and reliable, with long service life, maintenance free, and so on.
 

Features:

• This RMU series is available in 1-way, 2-way, 3-way, 4-way, and 5-way configurations.


• Can be extended or non-extendable from the top or side, depending on your requirements.


• Features SF6-insulated compact switchgear with a common gas tank type.


• Mechanical interlocking prevents improper operation.


• Ensures safety and reliability, with a maintenance-free design.

 

Product Satisfaction

Item NO.	Name		Unit	Technical parameters
				GRM-C	GRM-F	GRM-V
1	Rated Voltage Un		kV	24		24
2	Rated Frequency		Hz	50		50
3	Rated Current		A	630	125	630
4	Rated Load Breaking Current		A	630	125
5	Rated Short Time Withstand Current(rms)		kA	20		20
6	Rated Short Time Duration		s	3		3
7	Rated Peak Withstand Current		kA	50		50
8	Rated Closed Switch - Off Current		A	630
9	Rated Cable Charging Breaking Current		A	10		25
10	Rated Active Load Breaking Current		A	630
11	Max. Transfer Current		A		1750
12	Expected Fuse Short-Circuit Breaking Current(rms)		kA		50
13	Earthing Switch 2s Short Time Withstand Current		kA	20		20
14	Rated Short-Circuit Current Making Times		Times	2
15	Rated Current Breaking Times		Times	10
16	Mechanical Endurance	Load Break Switch	Times	5000
		Earthing Switch	Times	2000		2000
		Disconnector	Times			3000
		Circuit Breaker	Times			10000
17	SF6 gas anual leakage rate			≤1%/Y
18	Rated Insulation Level		Unit	Technical parameters
	1min Power Frequency withstand voltage(rms)	On isolating distance	kV	60
		Phase to Phase	kV	50
		Phase to Earth	kV	50
	Lightning impulse withstand voltage(peak)	On isolating distance	kV	145
		Phase to Phase	kV	125
		Phase to Earth	kV	125
21	optional :Motorised Operating Mechanism- voltage		V	DC24,DC48,DC110,DC220,AC220

Working Environment

1.Altitude: Not exceed 2500m above sea level;

2.Ambient temperature:-25ºC ~ +45ºC, the highest temperature is not exceed25ºC;

3.Ambient humidity: Daily average RH ≤ 95%; Monthly average RH ≤ 90%

4.Earthquake intensity: ≤ 8°;

5.No flammable, explosive, no serious pollution, No chemical corrosion and severe vibration.