closed switchgear
Safety and reliability: Improved five-parameter blocking, targeted pressure relief during arc discharge, excellent insulation performance, and eliminated operating errors and fault propagation.
High performance: adaptable to vacuum circuit breakers with high rated current and high breaking capacity, compatible with various busbar systems, and suitable for complex working environments.
Ease of Operation and Maintenance: A multi-section insulation design, a dual-sided maintenance system, and a stable, durable structure that reduces total costs throughout the entire lifecycle.
Intelligent expansion: support for online monitoring and communication modules, as well as the ability to seamlessly connect to the distribution network automation system.
Operating manual for XGN2 12 kV indoor AC switchgear, box type, metal enclosure.
I. Product Overview
The XGN2-12 is a fixed, box-type, metal-clad AC switchgear designed for three-phase single-busbar, dual-busbar, and single-busbar systems with bypass. It is suitable for rated voltages of 3.6–12 kV, 50 Hz, and rated currents of 630–3150 A and is used for receiving and distributing electrical power. It meets the requirements of various power plants, substations, and industrial and mining facilities.
II. Main technical characteristics (full coverage, possibility of individual customization)
Parameter category
Main Features |
Detailed description |
|
Rated voltage |
12 kV |
— |
Rated current |
630A / 1250A / 1600A / 2000A / 3150A |
Covers all scenarios, from small-scale power distribution to large industrial loads. |
Rated short-circuit breaking current |
16 kA / 20 kA / 31.5 kA / 40 kA |
Vacuum circuit breakers with different breaking capacities can be selected according to requirements. |
Protection class |
IP2X |
— |
Case dimensions |
Height: 2650 mm; Width: 1100 mm; Depth: 1200 mm |
Dimensions can be changed according to configuration. |
Operating environment |
Temperature: -25°C to +40°C; Humidity: ≤95% (non-condensing); Altitude: ≤2000m (may be adjusted for high altitude areas). |
Suitable for most areas; improved thermal insulation properties for high altitude areas. |
Applicable Standards |
GB 3906, IEC 60298, GB 311, DL/T 404 |
Fully complies with national, industry and international standards. |
III. Key product benefits
1. Maximum security protection and controlled operational risks.
2. Excellent performance and adaptability to complex working conditions.
3. Flexible busbar configuration: Supports single busbar, dual busbar, single busbar with bypass, etc., suitable for various distribution networks.
4. Full compatibility with operating conditions: it can work stably in conditions ranging from -25℃ to +40℃, high altitude, high humidity, etc., without any special limitations on environmental conditions.
5. Isolated maintenance design: Each compartment is independent, allowing maintenance to be carried out inside the compartment without affecting the operation of other circuits.
6. Double-sided maintenance layout: front and rear doors, wall-mounted, no need for additional space on the side, high space efficiency.
7.Maintenance-free main components: The arc quenching chamber of the vacuum circuit breaker is maintenance-free, the whole structure has no weak points, and the maintenance cost is low.
IV. Typical application scenarios
1. Urban power distribution network: acting as the incoming, outgoing and sectionalizing switches of the 10 kV distribution substation, it ensures the distribution of electricity and fault localization.
2. Industrial and Mining: Used for power distribution in factories, mines, metallurgy and other plants to protect critical loads such as electric motors and fans.
3. Auxiliary power supply of the power plant: being the switching equipment of the auxiliary power supply of the power plant, it ensures reliable power supply to the auxiliary systems of the generator sets.
4. Railway transport: Used in power supply systems for traction transport of metro, light rail and other types of railway transport, ensuring stable and reliable distribution of electricity.
5. Grid connection: As a switching equipment for grid connection of photovoltaic, wind power and other renewable energy power plants, it ensures safe transmission of electricity. 6. Infrastructure: Suitable for places with high requirements for power supply reliability, such as airports, hospitals and data centers.


