Bussmann PV-400A-3L-B-15 Semiconductor Fuse

Overview

Eaton’s Bussmann PV-400A-3L-B-15 is a high-performance semiconductor fuse engineered for photovoltaic (PV) applications. Designed to safeguard critical components in solar energy systems, this 400-amp fuse delivers reliable overcurrent protection in demanding 1000V DC environments.

Key Specifications

• Current Rating: 400A DC
• Voltage Rating: 1000V DC
• Interrupting Rating: 15 kA (kiloAmperes)
• Termination: 3-layer bolt-on blade (-3L-B)
• Dimensions: Industry-standard sizing for compatibility with PV disconnect switches and combiner boxes

Core Features

🔋 Solar-Optimized Protection
Specifically engineered for PV systems to handle DC arc suppression and rapid fault interruption, reducing fire risks in solar arrays.

⚡ High DC Voltage Performance
Rated for 1000V DC applications, making it ideal for modern high-voltage commercial/utility-scale solar installations.

🛡️ Robust Construction
Sand-filled ceramic body with silver-plated terminals ensures stable operation across temperature fluctuations (-40°C to +90°C).

🔧 Easy Installation
Bolt-on blade design (-3L-B) enables secure connections in fuse holders and disconnect switches without specialized tools.

Typical Applications

• Solar inverter protection
• Combiner box overcurrent safety
• DC string monitoring systems
• Battery storage circuit protection
• Renewable energy substation gear

Compliance & Reliability

• UL 248-19 listed
• IEC 60269-6 compliant
• RoHS compliant
• Rated for 100,000+ operations

Note: Verify system compatibility and consult Eaton’s technical documentation for derating guidelines under extreme ambient conditions.

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