XGN36-12 Series Hv Lv Switchgear Metal Enclosed Low Maintenance
The XGN36-12 Box-Type Fixed AC Metal-Enclosed Switchgear represents the next generation of smart, miniaturized high-voltage power distribution equipment. Co-developed with the prestigious Longyuan Electric Power Research Institute, this premium system integrates advanced structural engineering with high-grade components to deliver full-parameter performance within an exceptionally compact footprint. Designed as an economical, low-maintenance, and ultra-reliable solution, it sets a new standard for modern medium-voltage grids.
Engineered for 3.6kV to 12kV three-phase AC 50Hz single-busbar power systems, the XGN36-12 excels in the acceptance and distribution of electrical energy. It features an advanced integrated "Five-Proof" interlocking mechanism that systematically prevents operational errors, ensuring complete personnel safety and asset protection. The system is ideally suited for demanding environments across electric power utilities, metallurgical plants, petrochemical industries, and modern urban infrastructure.
- Next-Gen Miniaturization: Space-saving compact enclosure allows for flexible deployment in confined indoor spaces, significantly reducing the civil engineering costs of substations.
- Comprehensive "Five-Proof" Interlocking Protection: Fully integrated structural locks eliminate the risk of misoperating circuit breakers, preventing load-connected switching, live grounding wire connections, live hanging grounding wires, and accidental entry into energized intervals.
- High-Grade Reliability: Fully compliant with GB3906, IEC62271-200, and other stringent international standards, offering exceptional mechanical durability (up to 10,000 operations).
- Cost-Effective Lifecycle: Optimized low-maintenance design minimizes component wear, ensuring extended service intervals and excellent return on investment (ROI).
X G N 36 - 12 / □ - □
- X: Box-Type Switchgear
- G: Fixed Type
- N: Indoor Operation
- 36: Design / Sequence Number
- 12: Rated Voltage (kV)
- □: Rated Current (A)
- □: Rated Short-Circuit Breaking Current (kA)
- Altitude: ≤ 1,000 meters above sea level.
- Ambient Temperature Range: -25°C to +40°C.
- Relative Humidity: Daily average ≤ 95%; Monthly average ≤ 90%.
- Seismic Resistance: Suitable for environments with earthquake intensities not exceeding 8 degrees.
- Atmospheric Conditions: The surrounding air must be free from corrosive or combustible gases, water vapor, and significant chemical or particulate pollution.
| Technical Parameter / Item | Unit | Value / Specification |
|---|---|---|
| Rated Voltage | kV | 3.6 / 7.2 / 12 |
| Rated Current | A | 630 / 1250 |
| Rated Peak Withstand Current | kA | 40 / 50 / 63 / 80 |
| Rated Short-Time Withstand Current | kA | 16 / 20 / 25 / 31.5 |
| Rated Short-Circuit Current Breaking Times | Times | 50 |
| Rated Short-Time Duration | S | 4 |
| Rated Breaking Current | kA | 16 / 20 / 25 / 31.5 |
| Rated Insulation Level (1-min Power Frequency Withstand) | kV |
Interphase, Relative: 42 Across Open Breaks: 48 |
| Rated Insulation Level (Lightning Impulse Withstand) | kV |
Interphase, Relative: 75 Across Open Breaks: 85 |
| Enclosure Protection Class | - | IP3X |
| Overall Dimensions (W * D * H) | mm |
• 800 * 1000 * 2270 (With ZN63A, recommended) • 800 * 1200 * 2270 (With ZN28) • 800 * 1300 * 2270 (Overhead inlet & outlet, with ZN63A) • 800 * 1400 * 2200 (With ZN63 or ZN28, not recommended) • 16A (Above to be determined) |
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