0005 Mr-Safering-12 Gas-Insulated Ring Main Unit

• Customization: Available
• Certification: ISO9001, CE
• Shell Material: Stainless Steel
• Model NO.: MR-SafeRing
• Voltage Level: Medium Voltage
• Installation: Removable
• Structure: Cabinet
• Current: AC
• Rated Current: 630A
• Rated Frequency: 50Hz or 60Hz
• Insulation Medium: Sf6 Gas
• Transport Package: Wooden Crate
• Specification: 400*800*1800
• Trademark: MR
• Origin: China
• Production Capacity: 100 Pieces/Week

Product Description

Product Overview

SafeRing is a fully insulated, gas insulated ring main unit (RMU) designed specifically for medium voltage distribution networks (12kV~40.5kV). This device adopts sealed gas insulation technology (SF6 or environmentally friendly gas), which has the characteristics of compact structure, high reliability, and maintenance free. It can flexibly configure modules such as load switches, circuit breakers, and fuse switches. Support cable entry and exit, busbar expansion, and adapt to various distribution schemes. Suitable for urban distribution networks, industrial parks, new energy power stations, and other occasions.

Technical Parameter
item	parameter
Rated voltage	12kV / 24kV / 40.5kV
Rated current	630A / 1250A
Short time withstand current	20kA / 25kA(1s/3s)
Gas insulated medium	SF6 / Environmentally friendly gas(Dry Air, N2)
mechanical life	10000times operations
Standards	IEC 62271-200 / GB 3906

About Us

Dear customers and partners:
Hello! When you stop here, it is the beginning of our fate to cross mountains and seas. Tomorrow Electric Co., Ltd. is a professional manufacturer rooted in the power industry for more than 20 years. Starting from the production of stamping parts, it has gradually developed into a comprehensive power service provider integrating low-voltage circuit breaker assembly, switchgear manufacturing, and box type substation supply. We always adhere to the concept of "striving for excellence and putting service first", providing customers with high cost-effective and reliable power products and solutions.