Fzn25-12 Indoor High Voltage Load Break Switch Vcb

The Indoor High Voltage Load Break Switch is a critical switching device designed for high voltage power systems, primarily used for the safe and reliable interruption and reconnection of load circuits under operational conditions. Engineered with advanced design concepts and premium materials, it ensures efficient and stable electrical control even in high voltage, heavy load, and complex power grid environments.

Features

• High Performance Design: Precision mechanical processing and optimized circuit design ensure rapid and effective switching action during both making and breaking operations.
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• Safety and Reliability: Equipped with multiple internal protection mechanisms, it provides safe load interruption while effectively minimizing arc formation and short-circuit risks.
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• Wide Voltage Compatibility: Available in various voltage ratings such as 12kV, 24kV, and 36kV, it is ideal for application in power distribution systems, substations, switchgear, and industrial electrical installations.
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• Compact Structure: An integrated and modular design facilitates easy installation, maintenance, and field adjustments, thereby reducing operation and maintenance costs.
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• Low Maintenance Cost: With excellent resistance to vibration and pollution, this switch offers prolonged service life and reduced downtime.
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Applications

• Power distribution and substation equipment
• Indoor switchgear and ring main units
• Industrial power systems and large-scale power plants
• High and medium voltage network protection systems

Operating Environmental Conditions

• Ambient temperature: -15°C to +40°C
• Ambient humidity:
  • Daily average relative humidity ≤ 95%
  • Daily average vapor pressure ≤ 2.2×10^-3 MPa
  • Monthly average relative humidity ≤ 90%
  • Monthly average vapor pressure ≤ 1.8×10^-3 MPa
• Altitude: ≤ 1000m
• Seismic intensity: < 8
• Suitable for locations without dripping water, flammable or explosive hazards, chemical corrosive gases, or intense vibrations.