GN15-12 Fixed Type Metal-Enclosed Switchgear with SF6 Circuit Breaker

The GN15-12 Fixed Type Metal-Enclosed Switchgear with SF6 Circuit Breaker is designed for 12kV medium-voltage power distribution systems, widely used in power grids, industrial facilities, and infrastructure projects. This switchgear integrates a high-performance SF6 circuit breaker, ensuring superior insulation and arc extinguishing capabilities for efficient protection against short circuits and overloads. Its metal-enclosed structure enhances safety and durability, effectively shielding against external environmental factors.

The GN15-12 can also function as part of a distribution panel, enabling precise power control and distribution in substations, commercial buildings, and manufacturing plants. With a compact design for easy installation and maintenance, it serves as a reliable solution for modern power systems, offering enhanced operational stability and long-term performance.

product details

Product introduction

GN15-12 fixed metal-enclosed switchgear (SF6 ring main unit) is a revolutionary product that redefines power distribution automation. The unitary and modular sulfur hexafluoride ring main unit represents a new generation of switchgear, using sulfur hexafluoride as the main switch and featuring an air-insulated, compact, expandable metal-enclosed design. Its simple structure, flexible operation, reliable interlocking and easy installation make it an excellent solution for power distribution needs.

This cutting-edge switchgear is designed to provide enviable technical solutions for a variety of different applications and user needs. It is equipped with sensing technology and the latest protective relays, ensuring advanced technical performance. The lightweight and flexible assembly solution further enhances its appeal, making it the first choice for distribution automation needs.

The GN15-12 fixed metal-enclosed switchgear (SF6 ring main unit) is an industry game-changer, delivering unparalleled reliability and efficiency. Its innovative use of sulfur hexafluoride as the main switch sets it apart from traditional switchgear, making it a forward-looking and environmentally friendly choice. The compact and expandable metal-enclosed design ensures it can adapt to changing power distribution needs, providing a long-term solution for a variety of applications.

GN15-12 fixed metal-enclosed switchgear (SF6 ring main unit) is proof of the progress of power distribution automation. Its state-of-the-art design, advanced technical performance and adaptability make it an excellent choice for a variety of applications. With a focus on reliability, efficiency and environmental sustainability, the switchgear is expected to lead the industry and set new standards for distribution automation.

Basic technical parmeters

Rated voltage	12kV
Rated lightning impulse withstand voltage	Phase-to-phase as well as phase-to-earth 75kV between open contacts 85kV
1min power frequency withstand voltage	Phase-to-phase as well as phase-to-earth 42kV between open contacts 48kV
Rated frequency	50/60Hz
Rated current	630A Main bus 630A, branch bus 630A
Rated short-time withstand current	20/2S Main circuit20/3S, earth circuit 20/2S
Rated peak withstand current	50kA
Transfer current	1700A
Protection level	IP2X
Mechanical life of load switch	2000 times
Mechanical life of earth switch	2000 times
Outline size(W x D x H)	375、500、750x1000x1600、1850mm
Protection level	IP3X
Weight	150-200kg