12kv Sf6 Gas-Insulated Medium-Voltage Ring Main Unit

• Customization: Available
• Certification: CCC, ISO9001
• Shell Material: Stainless Steel
• Model NO.: BKRM6-12-7
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Cabinet
• Current: AC
• Transport Package: Wooden Box Packaging
• Specification: 600*800*1800mm
• Trademark: BOK
• Origin: China
• HS Code: 8537209000
• Production Capacity: 500pieces/Year

Product Description

 

Product Description

I. Overview

The RM6-12 Gas-Insulated Switchgear is a fully-insulated, hermetically-sealed SF6 metal-enclosed ring main unit (RMU) designed for 10kV medium-voltage distribution systems. Certified by the National High-Voltage Apparatus Testing Center and recognized as a Zhejiang High-Tech Product, it excels in reliability, modularity, and environmental adaptability. Widely used in urban/rural power distribution, industrial/commercial facilities, and renewable energy projects, it provides safe, efficient, and maintenance-free power distribution solutions.
II. Key Advantages
Excellent insulation and arc extinguishing performance:
 The RM6 device makes full use of the excellent insulation and arc extinguishing performance of SF6 gas to effectively prevent electrical faults, thereby ensuring the stable operation of the power system.
Versatile modular design:
 The device is designed with modularity as the core, and electrical components such as circuit breakers, load switches and earthing switches can be customized according to specific needs to provide customized power distribution solutions.
Space-saving structure:
Its design focuses on compactness, which can be easily installed and used even in space-constrained environments, thereby optimizing the installation space.
Easy operation and maintenance:
 The device adopts a front operation design and does not require internal maintenance, which significantly improves the safety and convenience of operation. The simplified maintenance process helps to reduce operating and maintenance costs.
Environmental management:
 The device adopts an SF6 gas closed-loop system and an environmentally friendly design approach to minimize the impact on the environment. It is also carefully designed for easy recycling and disposal, which meets environmental requirements.
Comprehensive protection:
 The RM6 device provides a range of protection functions, including overload and short-circuit protection, to ensure that the power grid and connected equipment remain safe and stable under various conditions.

Detailed Photos

 

 

 

Product Parameters

Item	Unit	C Module	F Module	V Module		CB Module
		(Load Switch)	(Combined Apparatus)	(Vacuum Switch)	Isolation/ Earthing Switch	(Vacuum Circuit Breaker)	Isolation/ Earthing Switch
Rated Voltage	KV	12	12	12	12	12	12
Rated Frequency	Hz	50	50	50	50	50	50
Power Frequency Withstand Voltage (PhasetoPhase / Port)	kV	42/48	42/48	42/48	42/48	42/48	42/48
Lightning Impulse Withstand Voltage	kV	75/85	75/85	75/85	75/85	75/85	75/85
Rated Current	A	630	Note ¹	630		1250/630	1450
Breaking Capability
Rated Loop Breaking Current	A	630
Rated Cable Charging Breaking Current	A	10
Rated ShortCircuit Making Current (Peak)	A	50
Rated Peak Withstand Current	kA	50	80
Rated ShortTime Withstand Current	kA/35	20		20
Rated ShortCircuit Breaking Current	kA		31.5	20		25
Rated Transfer Current	A		1700
Maximum Current of Equipped Fuse	A		125
Loop Resistance	μΩ	≤ 300	≤ 600
Mechanical Life	Times	5000	3000	5000	2000	5000	5000
Note ¹:Depends on the current rating of the fuse