Bussmann NSD16 Fuse – Reliable Circuit Protection for Solar Applications

Overview

The Bussmann NSD16 fuse is a high-performance, UL-recognized photovoltaic (PV) fuse designed to safeguard solar power systems against overcurrent and short-circuit conditions. Engineered by Eaton’s Bussmann division—a global leader in circuit protection—this fuse delivers robust performance in demanding renewable energy environments. Perfect for DC combiner boxes and inverters, the NSD16 ensures system longevity and fire safety.

Key Features

• Solar-Specific Design: Optimized for DC voltage applications up to 1,500 VDC, ideal for PV strings and commercial solar arrays.
• Time-Delay Protection: Dual-element construction prevents nuisance tripping during temporary surges while responding rapidly to sustained overloads.
• High Breaking Capacity: 20kA interrupting rating at rated voltage for reliable fault containment.
• Compact & Efficient: Space-saving, finger-safe design (10mm x 38mm) simplifies installation in crowded enclosures.
• Durability: Ceramic body withstands extreme temperatures (-40°C to +100°C) and UV exposure.
• Certified Safety: UL 2579/248-19 listed and IEC 60269-6 compliant.

Applications

• PV combiner boxes
• Solar inverter input protection
• Battery storage systems
• Commercial and utility-scale solar farms

Technical Specifications

• Rated Current: 16A
• Rated Voltage: 1,500 VDC
• Interrupt Rating: 20,000A @ 1,500VDC
• Dimensions: 10mm x 38mm (diameter x length)
• Terminals: Blade-type (Tin-plated copper)

Why Choose NSD16?

• Proven Reliability: Industry-standard protection trusted by solar installers worldwide.
• Reduced Downtime: Prevents catastrophic equipment failures and minimizes maintenance costs.
• Eaton Legacy: Backed by Bussmann’s 100+ years of circuit protection expertise.

Note: Always verify local electrical codes and system compatibility before installation.