XGN66-12 Fixed Indoor AC Metal-Enclosed Switchgear
Core Summary
XGN66-12(Z) is a box-type fixed indoor AC metal-enclosed switchgear, classified as a high-voltage electrical complete set product. It is specifically designed for 3.6~12kV three-phase AC 50Hz single-busbar sectionalized systems.
Matching Information
- Industrial and mining enterprises: Serves as a power distribution center, supplying electricity to production lines and large motor equipment to meet continuous production demands.
- Commercial and Public Facilities: Suitable for distribution rooms in high-rise buildings, office complexes, residential communities, hospitals, and schools, functioning as incoming or outgoing switchgear.
- Energy and Municipal Infrastructure: Applicable in power plants, substations, urban grid renovation projects, and municipal facilities (e.g., streetlights, pumping stations) for power distribution systems.
- Distributed Renewable Energy: Serves as 10kV grid-connection control cabinets in distributed photovoltaic and small-scale wind power projects.
Product Feature
● High Safety and Reliability: Equipped with comprehensive and reliable mandatory mechanical “five-prevention” interlocking devices, effectively preventing misoperations such as mistakenly opening or closing circuit breakers, operating isolating switches under load, installing grounding wires under live conditions, closing switches with grounding wires in place, and entering live compartments. This ensures comprehensive protection for personnel and equipment safety.
● Superior Structural Design: Modular construction ensures compact dimensions, lightweight design, and high precision. Cabinet doors feature viewing windows for easy monitoring of internal component status. All operations can be performed with doors closed, delivering high protection rating (IP4X).
● Maintenance Convenience and Adaptability: Features like rotary disconnect switches allow safe access to the circuit breaker compartment for maintenance while the main bus is energized. The cable compartment offers ample space for installing and connecting multiple cables.
Operating Conditions
● Ambient Temperature: -25°C to +40°C, with a 24-hour average temperature not exceeding +35°C.
● Altitude: Installation site altitude not exceeding 1000 meters (if exceeding this altitude, derating is required based on specific conditions).
● Ambient Humidity: Daily average relative humidity ≤95%, monthly average relative humidity ≤90%.
● Site Conditions: Free from severe vibration and impact, fire or explosion hazards, significant contamination, and chemical corrosion. Seismic intensity not exceeding 8 degrees.
● Other: Installation tilt angle should not exceed 5°.
Technical Specifications
- Item
- Value
- Rated voltage
- 12KV
- Rated insulation level--1min.PE.withstand voltage(phases to ground/gaps)
- 42/48KV
- Rated insulation level--Lightning impulse withstand voltage(phases to ground/gaps)
- 75/85KV
- Rated frequency
- 50Hz
- Rated current
- 1250A
- Rated short-time withstand current(4s)
- 31.5KA
- Rated peak withstand current※
- 80KA
- Protection class
- IP4X
- Outline dimension(width×depth×height)
- 900(1100)×1000×2300mm
- Weight
- 800-1100kg
