XGN2-12 Box Type Fixed AC Metal-enclosed Switchgear (referred to as switchgear) is used for receiving and distributing electrical energy in Power Systems with a rated voltage of 3.6-12kV, three-phase AC 50Hz, and rated current of 630-3150A. It is especially suitable for occasions requiring frequent operation. Its bus system is a single bus, and single bus with bypass or double bus systems can be derived.
The switchgear conforms to the requirements of the national standard GB3906 “3-35kV AC Metal-enclosed Switchgear” and the international standard IEC 298, and has a perfect anti-misoperation function.
The main switch of this switchgear adopts ZN28A-12 series, ZN28-12 series, and other vacuum circuit breakers, while the isolation switch adopts GN30-12 rotary isolation switch, GN22-12 high-current isolation switch, and GN30-12 rotary high-current isolation switch series products.
Name Unit Data Rated Voltage kV 3.6、7.2、12 Rated Current A 630 1000 1250 2000 2500 3150 Rated-short-circuit Breaking Current KA 20 31.5 40 Rated-short-time Withstands Current KA 20 31.5 40 Rated Peak Withstands Current KA 50 80 10 Rated Shart-circuit Closing Current KA 50 80 100 Duration of Rated Short-time Withstand Current S 4 Protectlon Degree IP2X Busbar System Single bus, single bus with bypass, double bus Operating Type Electromagnetic, bullet ZE energy storage type Dimension width X depth X height MM 1100x1200x2650(1250A以下)1100x1200x2650(up to 1250A) Weight KG 1000
The XGN2-12 Electrical Withdrawable AC Metal-Enclosed Switchgear is a medium voltage indoor distribution cabinet designed for reliable, flexible, and safe electrical management. Its withdrawable modules and metal-enclosed design provide enhanced operator safety, ease of maintenance, and long-term operational reliability.
This guide offers a comprehensive overview of product applications, user feedback, structural design, and maintenance requirements, making it essential for engineers, operators, and procurement teams.
Overview of XGN2-12 Switchgear
Product Applications and Use Cases
User Feedback and Performance Insights
Structural Design and Components
Maintenance and Inspection
Installation Guidelines
Troubleshooting Common Issues
Safety Considerations
Certifications and Compliance
Conclusion
The XGN2-12 Switchgear is a withdrawable, AC, metal-enclosed, medium voltage distribution cabinet suitable for indoor installations in industrial, commercial, and utility environments. Key features include:
Withdrawable Modules: Allow for quick maintenance and replacement without system shutdown.
Metal-Enclosed Cabinet: Provides enhanced protection from dust, moisture, and accidental contact.
AC Medium Voltage Operation: Supports 12 kV or 24 kV systems, suitable for various power distribution networks.
IEC Compliance: Meets international safety and performance standards.
Provides reliable power distribution for manufacturing plants and processing units.
Supports heavy machinery and automated systems.
Reduces downtime due to modular and withdrawable design.
Ensures stable medium voltage supply for offices, hospitals, and shopping centers.
Facilitates energy management and operational safety.
Functions as a key component of ring main distribution networks.
Enables efficient switching and fault isolation.
Compatible with solar farms, wind farms, and hydroelectric plants.
Ensures safe, modular, and flexible power distribution in outdoor environments.
Users report several advantages in operational environments:
High Reliability: Stable operation under continuous load conditions.
Ease of Maintenance: Withdrawable modules and clear interlocks simplify servicing.
Enhanced Safety: Metal enclosure and interlocks prevent accidents.
Compact Indoor Design: Optimized for constrained spaces.
Sample Testimonials:
| User | Feedback |
|---|---|
| Industrial Plant, Germany | “Module replacement is easy, reducing downtime.” |
| Commercial Building, UK | “Robust design and reliable performance for our office complex.” |
| Utility Substation, India | “Withdrawable switchgear allows safe maintenance without full shutdown.” |
The XGN2-12 switchgear combines metal-enclosed safety and modular flexibility.
Metal-Enclosed Panels: Provide mechanical protection and insulation support.
Compartments: Separate incoming, busbar, breaker, and cable compartments.
Interlocks: Prevent simultaneous unSafe Operations.
Circuit Breakers and switch modules can be withdrawn for inspection or replacement.
guide rails and Locking Mechanisms ensure safe and smooth module operation.
| Component | Function | Specification/Notes |
|---|---|---|
| Circuit Breaker Module | Interrupt overload/fault currents | 12 kV, 630–1250 A |
| Busbars | Conduct electricity between modules | Copper/Aluminum, insulated |
| Withdrawable Modules | Enable maintenance and replacement | Interlocked metal-clad |
| Control Wiring | Distribute signals and operational commands | Flame-retardant cables |
| Indicators and Meters | Monitor voltage, current, and load | LED/analog/digital |
| Insulation Panels | Prevent electrical contact | High dielectric strength |
| Cabinet Enclosure | Protect internal components | Fully metal-armored |
| Grounding System | Safety and protection | Proper earthing according to IEC |
| Task | Frequency | Description |
|---|---|---|
| Visual Inspection | Monthly | Check for corrosion, dust, and mechanical damage |
| Mechanical Operation Test | Quarterly | Test switches and interlocks |
| Contact Resistance Measurement | Bi-Annually | Ensure low resistance at connections |
| Cleaning Panels | Bi-Annually | Remove dust and debris |
| Component Replacement | As Needed | Replace worn or damaged parts |
Tighten all electrical connections.
Avoid exposure to moisture and dust.
Monitor ambient temperature and insulation condition.
Always disconnect power before servicing.
Wear appropriate PPE including gloves and eye protection.
Verify grounding system integrity before re-energizing.
Ensure stable and level foundation.
Maintain adequate clearance for operation and maintenance.
Verify ambient temperature, ventilation, and humidity meet specifications.
Position the switchgear on the foundation.
Secure cabinet with bolts.
Connect incoming and outgoing feeders according to wiring diagrams.
Ground the cabinet properly.
Perform mechanical and electrical pre-commissioning tests.
| Test Type | Requirement |
|---|---|
| Insulation Resistance | ≥100 MΩ |
| Contact Resistance | ≤10 μΩ |
| Mechanical Operation Test | Smooth operation for full cycle |
| Interlock Test | Ensure proper operation |
| Functional Test | Successful load and no-load switching |
| Issue | Possible Cause | Recommended Action |
|---|---|---|
| Switch fails to operate | Mechanical obstruction | Inspect, lubricate, and adjust mechanism |
| Abnormal voltage or current | Loose/corroded contacts | Tighten or replace connections |
| Indicator malfunction | Faulty wiring | Inspect wiring, recalibrate, replace panel |
| Noise during operation | Worn moving parts | Lubricate or replace components |
| Insulation degradation | Moisture, dust, or overheating | Clean, dry, or replace insulation |
Disconnect power before inspection or maintenance.
Wear PPE, including insulated gloves, safety glasses, and protective clothing.
Avoid contact with live components.
Follow IEC standards for medium voltage switchgear.
Ensure interlocks and grounding systems function correctly.
IEC 62271 Series: Medium voltage switchgear standard
ISO 9001: Quality management certification
CE Marking: Safety and environmental compliance
RoHS Directive: Restriction of hazardous substances
The XGN2-12 Electrical Withdrawable AC Metal-Enclosed Switchgear is a reliable, modular, and safe medium voltage indoor distribution solution. Its metal-enclosed armored design, withdrawable modules, and IEC compliance ensure efficient operation, minimal downtime, and operator safety.
Proper installation, regular maintenance, and adherence to safety protocols guarantee long-term performance in industrial, commercial, and utility networks.
Phone: +8613736779975
E-mail: sales@vcbbreaker.com
Address: 66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China
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