High Voltage Switchgear Ring Main Unit

• Breaking Capacity: Gas Insulated Switchgear
• Operation: Both Manual and Motorized
• Speed: High Speed
• Arc-extinguishing Medium: SF6
• Installation: Flexible Installation
• Structure: Many Ways Rmu
• Model NO.: GRM
• Poles Number: 3
• Type: AIS
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: ISO9001-2000
• Transport Package: Wooden Case
• Trademark: GRENO
• Origin: Xiamen, China
• Production Capacity: 5000PCS/Year

Product Description

o	Item		Unit	Parameter
1	Rated voltage		kV	12	24
2	Rated frequency		Hz	50/60
3	Rated current		A	630/800
4	1min Power frequency withstand voltage	wet	kV	38	50
		dry	kV	48	60
5	Lightning impulse withstand voltage		kV	75	125/150
6	Rated short circuit breaking current (peak)		kA	80	63
7	Rated active load and close circuit breaking current		A	63	50
8	Rated transferring current		A	1700	1200
9	Rated short circuit making current (peak)		kA	80	63
10	Rated cable(line) charging breaking current		A	50 and 10
11	Cable charge breaking current in earthing fault		A	20	20
12	Rated withstand current (peak)		kA	80	63
13	Short time withstand current (2s)		kA	31.5	25
14	Mechanism life		times	5000

Ambient Conditions

• Altitude: ≤ 3000m
• Ambient temperature: -25°C to +40°C
• Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%
• Earthquake intensity: not exceeding 8 degrees
• Suitable for use in environments without flammable and explosive materials, corrosive chemicals, and frequent severe vibrations

Product Description:

Introducing the high-quality switchgear from GRENO (XIAMEN) SWITCHGEAR CO., LTD. Our switchgear is designed to meet the demanding needs of various industries, providing reliable and efficient electrical distribution solutions.

With a maximum altitude tolerance of 3000m, our switchgear is suitable for use in a wide range of locations. It can withstand extreme ambient temperatures, ranging from -25°C to +40°C, ensuring optimal performance in diverse climates.

Designed to withstand seismic activity, our switchgear has been tested and certified to handle earthquake intensities of up to 8 degrees. This ensures the safety and stability of your electrical systems, even in regions prone to earthquakes.

Our switchgear is also built to withstand challenging environmental conditions. It can operate in environments with a daily average relative humidity of up to 95% and a monthly average relative humidity of up to 90%. This makes it suitable for use in areas with high humidity levels.

Furthermore, our switchgear is engineered to operate in environments without flammable and explosive materials, corrosive chemicals, and frequent severe vibrations. This ensures the longevity and reliability of our product, minimizing the risk of malfunctions or accidents.

Choose GRENO (XIAMEN) SWITCHGEAR CO., LTD. for top-quality switchgear that meets the highest standards of performance and safety. Experience the difference our products can make in your electrical distribution systems.