Medium Voltage Gas Insulated Switchgear - 11/22kv, 6.6kv, 24kv - IEC/ANSI Standard

• Certification: CCC, ISO9001
• Shell Material: Epoxy Resin
• Voltage Level: Medium Voltage
• Current: AC
• Rated Voltage: 11/22kv,6.6kv,24kv
• Rated Current: 630A
• Model NO.: GRM
• 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

GRM Series Completely Sealed F6-Insulated Ring Main Unit

The GRM series completely sealed SF6-insulated ring main unit, manufactured by GRENO (XIAMEN) SWITCHGEAR CO., LTD., is designed to meet the needs of medium voltage distribution networks. This unit is specially engineered to ensure optimal performance and reliability.

All live components of the GRM series are safely sealed within a durable stainless steel tank. The tank is filled with SF6 gas, providing excellent insulation and protection against environmental factors.

 

Main Panel Types
Load Break Switch Cubicle: This main panel type offers a convenient and efficient solution for load break switching applications. It allows for quick and easy operation, enhancing the overall functionality of the ring main unit.

 

With the GRM series completely sealed SF6-insulated ring main unit, you can trust in its superior quality and performance. It is a reliable choice for medium voltage distribution networks, ensuring uninterrupted power supply and efficient distribution.

Fuse+Switch Combination Cubicle

Introducing the Fuse+Switch Combination Cubicle from GRENO (XIAMEN) SWITCHGEAR CO., LTD. This medium voltage switchgear is available in 11/22kv, 6.6kv, and 24kv options, adhering to both IEC and ANSI standards. It features a gas insulated design, making it reliable and efficient. Perfect for various applications, this cubicle is a versatile solution for your electrical needs.

Vacuum Circuit Breaker Cubicle

Discover our medium voltage gas insulated switchgear, available in 11/22kv, 6.6kv, and 24kv options. Compliant with IEC/ANSI standards, our switchgear is designed for reliable performance. Perfect for various applications, our vacuum circuit breaker cubicle ensures efficient and safe operation.

Features:

• 1-way, 2-way, 3-way, 4-way, or 5-way RMU options available.


• Extensibility or non-extensibility can be customized to meet your specific requirements.


• SF6-insulated compact switchgear with a common gas tank type, ensuring efficient and reliable performance.


• Mechanical interlocking mechanism to prevent improper operation and enhance safety.


• Maintenance-free design for added convenience and peace of mind.

 

Choose the RMU series for a safe, reliable, and hassle-free switchgear solution that meets your unique needs.

 

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

'Packaging & Shipping

At GRENO (XIAMEN) SWITCHGEAR CO., LTD., we prioritize the safe packaging and timely shipping of our products to ensure customer satisfaction.

Packaging:

We offer two standard packaging options: carton or wooden package. Our packaging method is tailored to meet our customers' specific requirements, ensuring that the products are protected during transit.

Shipping:

Before packing for delivery, each product undergoes rigorous testing to ensure its quality and functionality. We take pride in our commitment to delivering only the best products to our customers.

Whether you require air, express, sea, or any other shipping method, our team is always ready to assist you in arranging the most suitable option. We understand the importance of prompt and reliable shipping, and we strive to meet the needs of our customers in this regard.

Choose GRENO (XIAMEN) SWITCHGEAR CO., LTD. for your packaging and shipping needs, and experience our dedication to quality and customer satisfaction.'