1kV High-Current Current-Limiting Fuse (417A–1200A)

The 1kV series high-current current-limiting fuse is designed for AC 50/60Hz low-voltage power distribution systems with a rated voltage of 1kV. It provides stable, accurate overcurrent and short-circuit protection in a rated current range from 417A to 1200A, making it widely used in industrial power supply, power distribution cabinets, large electrical equipment and heavy-load power systems.With excellent current-limiting performance, high breaking capacity and stable time-current characteristics, this fuse effectively safeguards distribution transformers, high-power motors, rectifiers, capacitor banks and other key equipment from damage caused by fault currents. It features low power loss, low temperature rise and strong environmental adaptability, ensuring long-term safe and reliable operation in various industrial scenarios.

Key Features

• Rated voltage: 1kV, suitable for low-voltage power distribution networks
• Rated current range: 417A to 1200A to meet medium-to-heavy load protection requirements
• Excellent current-limiting performance to reduce thermal and dynamic stress on equipment
• High breaking capacity for safe and reliable fault interruption
• Stable time-current characteristics for accurate protection coordination
• Low power loss and low temperature rise for high operational efficiency
• Rugged structure with high mechanical strength and shock resistance
• Standard dimensions for easy installation and replacement
• Compliant with IEC, GB and international industry standards

Main Applications

This 1kV (417A–1200A) high-current fuse is widely applied in:

• Low-voltage power distribution cabinets and compact substations
• High-power industrial motors and drive systems
• Industrial rectifiers, inverters and power conversion equipment
• Shunt capacitor banks and power compensation devices
• Metallurgy, manufacturing, petrochemical and other industrial power systems
• Wind power, photovoltaic and new energy supporting equipment
• Power plants, industrial parks and infrastructure power supply systems

Why Choose Our 1kV 417A–1200A Fuses?

Our 1kV high-current fuse series provides professional, cost-effective protection for low-voltage power systems. The 417A–1200A current range covers most common heavy-load applications, with stable performance and easy maintenance. Strict quality control and full standard compliance make it a trusted choice for industrial users, contractors and equipment manufacturers worldwide.