BDFW 12kV High-Voltage Current-Limiting Fuse (300A–600A)

The BDFW 12kV series is a high-performance current-limiting fuse designed for AC 50/60Hz medium-voltage power systems with a rated voltage of 12kV. It offers stable and accurate overcurrent and short-circuit protection in a rated current range from 300A to 600A, making it widely used in power distribution, industrial power supply, and electrical equipment protection.With excellent current-limiting performance, high breaking capacity and stable time-current characteristics, this fuse effectively protects transformers, high-voltage motors, capacitor banks, switchgear and other key equipment from damage caused by fault currents. It features low power loss, low temperature rise and long service life, ensuring safe and reliable operation in various working environments.

Key Features

• Rated voltage: 12kV, suitable for 12kV medium-voltage distribution networks
• Rated current: 300A, 400A, 500A, 600A to meet different load requirements
• Excellent current-limiting performance to reduce impact on protected equipment
• High breaking capacity for safe and effective fault interruption
• Stable and consistent protection performance
• Low power loss and low temperature rise
• Rugged structure, strong shock and vibration resistance
• Optional striker for fault indication and interlock control
• Standard size for easy installation and replacement
• Compliant with IEC and GB standards

Applications

BDFW 12kV (300A–600A) fuses are mainly used for:

• Distribution transformers in 12kV power systems
• Medium-voltage high-power motors and drive units
• Shunt capacitor banks and power compensation devices
• Medium-voltage switchgear, ring main units and compact substations
• Industrial power systems in manufacturing, mining and infrastructure
• New energy power generation and distribution equipment

Why Choose BDFW 12kV Fuses?

BDFW 12kV current-limiting fuses provide reliable, cost-effective protection for 12kV power systems. The 300A–600A current range covers most common medium-load applications, with stable performance and easy maintenance. Strict quality control and standard compliance make them an ideal choice for power grids, industrial projects and equipment manufacturers.