10kV High-Voltage Current-Limiting Fuse (1200A)

The 10kV 1200A series is a high-performance medium-voltage current-limiting fuse designed for AC 50/60Hz power systems with a rated voltage of 10kV. Engineered for heavy-load applications, it delivers stable, fast-acting overcurrent and short-circuit protection with a fixed rated current of 1200A, making it an ideal choice for medium-voltage power distribution networks, industrial facilities and critical electrical equipment protection.With excellent current-limiting capability, high breaking capacity and stable time-current characteristics, this fuse effectively safeguards transformers, high-power motors, capacitor banks, switchgear and other key equipment from damage caused by fault currents. Its optimized design ensures low power loss, low temperature rise and strong environmental adaptability, guaranteeing long-term safe and reliable operation in various industrial and utility working conditions.

Key Features

• Rated voltage: 10kV, perfectly matched for 10kV medium-voltage power distribution networks
• Rated current: 1200A, dedicated for heavy-load applications requiring stable high-current protection
• Excellent current-limiting performance: Rapidly limits peak let-through current, reducing thermal and mechanical stress on protected equipment
• High breaking capacity: Safely interrupts high fault currents, ensuring fast fault isolation and system stability
• Stable protection characteristics: Consistent time-current performance for accurate and reliable protection coordination
• Low energy consumption: Low power loss and low temperature rise, improving operational efficiency and reducing long-term costs
• Rugged construction: High-quality ceramic barrel and metal end caps, resistant to shock, vibration and harsh industrial environments (-40℃ to +70℃)
• Optional striker: Available fault indication and interlock control function for remote monitoring and operation
• Easy installation: Standardized dimensions, compatible with most 10kV switchgear and ring main units (RMUs)
• Global standard compliance: Manufactured in accordance with IEC 60282 and GB/T standards, with ISO 9001 certification for global application

Main Applications

The 10kV 1200A high-voltage fuse is widely applied in:

• 10kV medium-voltage distribution substations and power transformers
• High-power industrial motors, generators and drive systems
• Shunt capacitor banks and power factor correction equipment
• 10kV medium-voltage switchgear, ring main units (RMUs) and compact substations
• Industrial power systems in manufacturing, mining, metallurgy and petrochemical industries
• New energy power generation and distribution equipment (wind power, photovoltaic supporting systems)
• Heavy electrical loads such as industrial rectifiers and electric furnaces

Why Choose Our 10kV 1200A Fuses?

For power system engineers and industrial buyers, our 10kV 1200A fuse offers a professional and reliable protection solution for 10kV heavy-load applications. The fixed 1200A rated current is tailored for high-power equipment, ensuring stable performance and easy maintenance. Strict quality control and full compliance with international standards make it a trusted choice for power grids, industrial projects and equipment manufacturers worldwide, helping to reduce downtime, equipment damage and maintenance costs.