Bussmann MV155F1CBX25E Current Limiting Fuse

Advanced Protection for Medium-Voltage Systems

The Bussmann MV155F1CBX25E is a high-performance current-limiting fuse engineered to deliver reliable overcurrent protection in demanding medium-voltage applications. Designed specifically for 15.5kV systems, this robust fuse safeguards critical equipment by rapidly interrupting fault currents before they reach destructive levels. Ideal for industrial facilities, utility networks, and renewable energy installations, it combines precision engineering with Bussmann’s legacy of electrical safety excellence.

Key Features

• 15.5kV Voltage Rating: Optimized for medium-voltage systems up to 15.5kV.
• 25A Continuous Current Rating: Efficiently handles standard operational loads.
• Ultra-Fast Current Limiting: Interrupts short-circuit currents in under 1/4 cycle, minimizing arc energy and equipment damage.
• High Interrupting Capacity: Rated for 50kA RMS symmetrical interrupting capacity.
• Sand-Filled Construction: Quartz sand arc-quenching medium ensures consistent performance and containment.
• Silver Element Technology: Precision-calibrated silver fuse elements provide stable time-current characteristics.
• Weather-Resistant Design: Corrosion-resistant stainless steel end caps and epoxy-coated body for harsh environments.
• Efficient Coordination: Enables selective coordination with downstream protective devices.

Technical Specifications

Applications

• Transformer protection (primary/secondary)
• Motor control centers and starters
• Capacitor bank protection
• Feeder circuits in substations
• Wind turbine and solar farm switchgear
• Mining and heavy industrial power distribution

Why Choose Bussmann?

• Proven Reliability: Industry-leading fuse technology trusted for over 100 years.
• Damage Mitigation: Limits peak fault currents by up to 90%, reducing equipment stress.
• Durability: Hermetically sealed construction prevents moisture ingress.
• Compliance: Meets IEEE, ANSI, and global safety standards.

Always verify system compatibility using Eaton Bussmann’s engineering tools. For detailed specifications, refer to official product datasheet EBR-1876.