High Reliability Indoor High-Voltage Vacuum Circuit Breaker 11kV 12kV 15kV

Product Overview

Core Features

• High Current Carrying Capacity: With a rated current of up to 3500A, it can meet the continuous power supply requirements of high-load scenarios and support the power protection of large industrial equipment.
• Integrated Structure Design: The operating mechanism and circuit breaker body are integrated, resulting in a compact structure that reduces potential failure points and improves operational stability.
• Flexible Installation Options: It can be directly installed as a fixed unit or combined with a propulsion mechanism to form a draw-out unit, adapting to the installation and maintenance needs of different power distribution scenarios.
• Vacuum Arc Extinguishing Technology: Using vacuum as the arc extinguishing medium, it has strong arc extinguishing capability, fast dielectric recovery speed after breaking, long electrical life, and requires no frequent maintenance.
• High Mechanical Reliability: The mechanical life exceeds 10,000 operations, supporting frequent opening and closing, which is ideal for industrial scenarios such as metallurgy and chemical engineering where frequent equipment startup and shutdown are required.

Technical Parameters

Application Scenarios

• Power Grid Distribution Systems: As the core switchgear in substations and switching stations, it realizes line switching control and short-circuit fault protection.
• Power Systems in Industrial and Mining Enterprises: Provides reliable power control and fault protection for large motors, transformers, and other equipment in metallurgy, mining, chemical, and other industries.
• Frequent Operation Scenarios: Suitable for production workshops requiring regular equipment startup and shutdown, supporting high-frequency opening and closing operations and reducing equipment maintenance costs.
• High-Load Power Consumption Scenarios: Meets the power protection needs of continuous high-current loads such as data centers and large commercial complexes.

 Product Advantages

• Safe and Reliable: Vacuum arc extinguishing technology eliminates the risk of combustion and explosion, while the integrated structure enhances insulation performance and impact resistance.
• Easy Operation and Maintenance: The draw-out unit supports quick plugging and unplugging, allowing maintenance and replacement of the circuit breaker without power outage, significantly reducing fault handling time.
• Stable Performance: Core components use high-quality insulating materials and wear-resistant alloy contacts, adapting to a wide temperature range of -40°C to +40°C and maintaining stable operation under complex working conditions.
• Strong Compatibility: It can be used with armored metal-enclosed switchgear and other supporting equipment, meeting the integration needs of different power distribution systems.