Overview
The XGND-12 Box-Type Fixed AC Metal Switchgear is a reliable medium voltage metal enclosed switchgear designed for 3–12kV three-phase AC 50Hz power systems. It is primarily used for power reception and distribution in various electrical networks.
This switchgear is particularly suitable for industrial and commercial applications that require frequent operation, delivering dependable performance, enhanced safety, and high operational efficiency.
Manufactured in accordance with:
GB3906: 3–35kV AC Metal-Enclosed Switchgear
IEC 62271-200 (formerly IEC 298)
It is equipped with a comprehensive "five-prevention" interlocking system, ensuring a high level of safety for both personnel and equipment.
Environmental Adaptability
To ensure optimal performance of the medium voltage metal enclosed switchgear, the following conditions are recommended:
- Ambient temperature: -15°C to +40°C (daily average ≤ +35°C)
- Altitude: ≤ 1000 m
- Humidity:
- Daily average ≤ 95%
- Monthly average ≤ 90%
- Seismic resistance: ≤ 8 degree
- Environment: Free from corrosive gas, flammable gas, heavy pollution, or severe vibration
Note: Custom solutions are available for special conditions.
Technical Specifications
| Item | Unit | Value |
|---|---|---|
| Rated Voltage | kV | 3.6 / 7.2 / 12 |
| Rated Current | A | 630 – 3150 |
| Short-Circuit Breaking Current | kA | 16 / 20 / 31.5 / 40 |
| Peak Withstand Current | kA | 40 / 50 / 80 / 100 |
| Short-Time Withstand Current | kA | 16 / 20 / 31.5 / 40 |
| Protection Level | - | IP2X |
Core advantages of the product
High Safety & Reliability
Fully enclosed structure with advanced interlocking system prevents misoperation and arc faults, ensuring safe operation of the medium voltage metal enclosed switchgear.
Modular Design
Separated compartments (circuit breaker, busbar, cable, relay) ensure safety and simplify maintenance.
Durable Construction
High-strength steel structure with reliable insulation ensures long service life under harsh conditions.
Arc Protection
Equipped with pressure relief channels for rapid arc fault release and enhanced safety.
Flexible Application
Supports multiple cable configurations and optional monitoring systems.
Product Structure Diagram
OCustomization and Selection Guide
When placing an order, please provide the following information to help us offer the most suitable product configuration:
Main circuit scheme number, main wiring system diagram, layout diagram, floor plan.
Schematic diagram for auxiliary and control circuits, terminal block layout.
Model, specification, and quantity of components inside the cubicle.
Requirement for surge arresters (e.g., if equipped with circuit breaker truck).
Enclosure color requirement (if not specified, our standard color will be applied).
Applications
This medium voltage metal enclosed switchgear is widely used in:
- Industrial plants (steel, cement, mining)
- Power plants and substations
- Commercial buildings (hospitals, malls, hotels)
- Infrastructure (railways, airports, highways)
- Energy sectors (renewable, water treatment, petrochemical)
Our Company
Founded in 2004, Zhejiang Gangheng Electric Co., Ltd. is a national high-tech enterprise specializing in R&D, manufacturing, and sales of high and low voltage electrical equipment.
Our products, including medium voltage metal enclosed switchgear, are widely exported and certified under ISO standards, ensuring high quality and reliability.
FAQ
Q: 1. What is the main application of XGND-12 switchgear?
A: It is mainly used for receiving and distributing electrical energy in 3–10kV medium-voltage power systems, especially in environments requiring frequent switching operations.
Q: 2. What type of circuit breaker is used?
A: The switchgear is typically equipped with ZN28A-12 vacuum circuit breakers and can also be configured with ZN63A-12 or other models according to customer requirements.
Q: 3. Does the switchgear have safety protection features?
A: Yes. It is designed with a complete "five-prevention" interlocking system to prevent misoperation, ensuring operator and equipment safety.
Q: 4. Can the product be customized?
A: Yes. We provide customized solutions based on electrical diagrams, layout requirements, component selection, and special environmental conditions.
Q: 5. What are the installation environment requirements?
A: The recommended ambient temperature is -15°C to +40°C, altitude below 1000m, and no corrosive or explosive gases. For special conditions, customization is available.
Q: 6. Is the switchgear easy to maintain?
A: Yes. The modular compartment design and front/rear access make inspection and maintenance fast and convenient.
Q: 7. What standards does the product comply with?
A: The product complies with GB3906 and IEC standards, ensuring high quality and international compatibility.
Q: 8. Do you provide after-sales support?
A: Yes. We provide full lifecycle support, including technical guidance, installation assistance, and after-sales service.
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