Indoor High-Voltage Permanent Magnet Vacuum Circuit Breaker 12kV 15kV 17.5kV

Product Overview

Core Features

• Self-Developed Permanent Magnet Drive: Advanced permanent magnet operating mechanism for high mechanical reliability, low energy consumption, and stable performance with minimal maintenance.
• Integrated Intelligent Functions: Built-in fault detection, precise protection control and remote communication, supporting smart grid automation and remote monitoring.
• High-Performance Controller: Equipped with advanced DSP chip and embedded OS, integrating control and protection; RS485 communication port for seamless network connection.
• Superior Environmental Adaptability: Operates stably in extreme temperatures (-40°C to +40°C), Grade Ⅳ pollution resistance, and seismic intensity up to 8 degrees for harsh indoor conditions.
• Reliable Vacuum Arc-Extinguishing: Mature vacuum interruption technology for fast arc extinction, no gas pollution, long electrical life and excellent short-circuit breaking performance.
• Robust Structural Design: Optimized for indoor installation, with high insulation strength and mechanical stability, adapting to various indoor switchgear configurations.

Key Technical Parameters

Operating Environmental Conditions

• Ambient Air Temperature: -40°C (minimum) ~ +40°C (maximum)
• Altitude: ≤1000m (custom insulation level available for higher elevations)
• Wind Pressure: ≤700Pa (equivalent to 34m/s wind speed)
• Seismic Intensity: ≤8 degrees
• Pollution Class: Ⅳ
• Maximum Daily Temperature Difference: ≤25°C
• Relative Humidity: Daily average ≤95%, Monthly average ≤90%
• Installation Site: Indoor areas free from flammable/explosive risks, chemical corrosion and severe vibration

Application Scenarios

• 12kV Indoor Smart Substations: Core intelligent protection device for automated substations with remote monitoring and control demands.
• Industrial & Mining Power Grids: Ideal for factories, mines and industrial parks requiring reliable protection and frequent operation of medium-voltage systems.
• Urban Ring Network Distribution: Smart control and protection for urban indoor 12kV ring network power supply systems, supporting grid automation.
• Commercial & Critical Loads: Reliable power protection for data centers, hospitals, high-rise buildings and other critical indoor load scenarios.
• Custom Indoor Switchgear: Adaptable for fixed or withdrawable indoor switchgear, matching various non-standard power distribution system requirements.
• Grid Upgrading Projects: Perfect for the intelligent upgrading of traditional indoor medium-voltage power grids, realizing automated control and remote operation.

Ordering Information

• Exact product name, model (ZN63M-12) and total order quantity.
• Rated current and rated short-circuit breaking current of the circuit breaker.
• Type, name, operating voltage of the matched operating mechanism, and tripper type.
• Quantity of transfer trucks, spare parts and other auxiliary accessories required.
• Any other special technical requirements (e.g., customized communication protocols, insulation levels) to be confirmed through negotiation.

Quality & Reliability

• Independent R&D & Innovation: Fully self-developed with proprietary core technology, ensuring advanced performance and perfect adaptability to medium-voltage power grid demands.
• Strict Quality Control: Full-process quality inspection from component procurement to finished product assembly and testing, complying with IEC and international high-voltage equipment standards.
• Certified Performance: All products pass rigorous type tests, including mechanical life, electrical performance and environmental adaptability, with complete test reports.
• Global After-Sales Support: Provide professional technical consultation, on-site installation guidance, remote debugging and long-term spare parts supply for global customers.
• Smart Grid Compatibility: Standard RS485 communication interface, supporting seamless integration with various smart grid systems for automated and remote operation.