High-Quality China GXGN-12 Solid-Insulated Ring Main Unit Switchgear - Eco-Friendly, Maintenance-Free, Factory Supplies Manufacturers, Manufacturer

Introducing the GXGN-12 Solid-Insulated Fully Enclosed Ring Main Unit Switchgear, a state-of-the-art solution from China’s leading suppliers and factory. This eco-friendly, maintenance-free ring main unit features a fully sealed design with all live parts encapsulated in epoxy resin, eliminating the need for SF6 gas, Our solid fully insulated closed ring switchgear is engineered with a modular design (V/C/F units) that allows for flexible configurations, making it suitable for various applications. The innovative APG gel-insulated primary components, R-type magnetic contacts, and integrated spring mechanism provide exceptional breaking capacity, electrical life, and reliability, Perfect for 12kV/50Hz networks, this reliable switchgear can be installed indoors or outdoors in substations, residential areas, and industrial parks. With optional smart controllers and a compact structure, it supports distribution automation while ensuring safety and 100% compliance with environmental standards. Choose our GXGN-12 switchgear to benefit from advanced technology and unparalleled efficiency in your electrical distribution systems

Product Description

Type Designation
Solid-Insulated-Fully-Enclosed-Ring-Main-Unit-Switchgear-8
1 Manufacturer Code
2 Solid Fully Insulated Enclosed Ring Main Unit Switchgear
3 Design Serial Number
4 Rated Voltage (kV)
5 Rated Current (A)
6 Switch Type:
C — Load Switch;
V — Circuit Breaker;
G — Disconnector;
F — Load Switch-Fuse Combination Switchgear;
CB — Load Switch without Grounding;
VB — Circuit Breaker without Grounding;
VZ — Circuit Breaker Linked Switch
7 Rated Short-Time Withstand Current (20, 25kA)
8 B: Without Grounding Switch; Z: Bottom Direct Outgoing Line
Switchgear Technical Parameters
Name Unit Parameter
Rated Voltage kV 12
Rated Frequency Hz 50
Rated Current A 630 1250
Rated Insulation Level Power Frequency Withstand Voltage Break kV 48
Phase-to-Phase kV 42
Phase-to-Ground kV 42
Lightning Impulse Withstand Voltage Break kV 85
Phase-to-Phase kV 75
Phase-to-Ground kV 75
Rated Short-Circuit Breaking Current (1s) kA 25 31.5
Rated Short-Time Withstand Current (4s) kA 25 31.5
Rated Peak Withstand Current (1p) kA 63 80
Rated Short-Circuit Making Current (Peak) (1ma) kA 63 80
Enclosure Protection Level IP4X
Operation Mode Spring-Operated (Energy Storage Type)
Product Display
GXGN-12-Solid-Insulated-Fully-Enclosed-Ring-Main-Unit-Switch
Solid-Insulated-Fully-Enclosed-Ring-Main-Unit-Switchgea-5
Solid-Insulated-Fully-Enclosed-Ring-Main-Unit-Switchgear
Disconnector and Earthing Switch Technical Parameters
No. Item Unit Parameter
1 Rated Voltage kV 12
2 Rated Current A 630 1250
3 4s Rated Short-Time Withstand Current (RMS) kA 25 31.5
4 Rated Peak Withstand Current (Peak) kA 63 80
5 1min Power Frequency Withstand Voltage Phase-to-Phase & Phase-to-Ground kV 42
Isolating Break 48
6 Rated Lightning Impulse Withstand Voltage Phase-to-Phase & Phase-to-Ground kV 75
Isolating Break 85
7 Main Switch Mechanical Life operations 3000
8 Earthing Switch Mechanical Life operations 3000
External Dimensions
GXGN-12-4
Switchgear Dimensions
Model Width (mm) Depth (mm) Height (mm)
Load Switch PT Cabinet (CPT) 500 950 1650
Circuit Breaker Cabinet (VB) 425 860 1850
Circuit Breaker Cabinet (V) 425 860 1850
Circuit Breaker Bus Tie Cabinet (VZ) 425 860 1850
Busbar Rising Cabinet (G) 425 860 1850
Load Switch-Fuse Combination Cabinet (F) 500 950 1650
Frequently Asked Questions
Q What is the rated voltage of the GXGN-12 Solid-Insulated Fully Enclosed Ring Main Unit Switchgear?
The rated voltage of the GXGN-12 Ring Main Unit Switchgear is 12 kV, with a rated frequency of 50 Hz. It supports rated currents of 630 A and 1250 A.
Q What switch types are available for this Ring Main Unit Switchgear?
The switchgear is available in multiple switch types: C (Load Switch), V (Circuit Breaker), G (Disconnector), F (Load Switch-Fuse Combination), CB (Load Switch without Grounding), VB (Circuit Breaker without Grounding), and VZ (Circuit Breaker Linked Switch).
Q What is the enclosure protection level of this switchgear?
The enclosure protection level of the GXGN-12 Switchgear is IP4X, providing protection against solid objects greater than 1mm in diameter, suitable for indoor medium-voltage distribution environments.
Q What is the mechanical life of the disconnector and earthing switch?
Both the main disconnector switch and the earthing switch have a rated mechanical life of 3,000 operations, ensuring long-term reliable performance in ring main unit applications.
Q What are the typical cabinet dimensions of the GXGN-12 Ring Main Unit?
Cabinet dimensions vary by model. For example, the Circuit Breaker Cabinet (V/VB/VZ) measures 425mm (W) × 860mm (D) × 1850mm (H), while the Load Switch PT Cabinet (CPT) and Load Switch-Fuse Combination Cabinet (F) measure 500mm (W) × 950mm (D) × 1650mm (H).
Q What operation mechanism does the GXGN-12 Switchgear use?
The GXGN-12 Switchgear uses a Spring-Operated (Energy Storage Type) mechanism, which enables reliable and fast switching operations while ensuring safe and consistent performance under rated conditions.

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