JJN-100 - 100 Amp Fuse

JJN-100 - 100 Amp Fuse

When protecting your critical electrical systems, the JJN‑100 stands out as a dependable 100 amp Class T fuse designed to respond fast and keep equipment safe. Rated for 100 A with an interrupting capacity of up to 200 kA at 300 V AC, this compact fuse acts immediately in the event of overloads or short‑circuit events, helping prevent costly damage to motors, panels and downstream devices. The knife‑blade configuration makes installation in JJN‑frame panels quick and reliable, and its modest height (2.156 inches) and lightweight build (just 0.812 lb) make it especially suited for tight industrial or commercial panel spaces. With its very‑fast‑acting, current‑limiting performance, the JJN‑100 brings high‑response protection where every second counts.

Key Features and Benefits

• Fast response time: Quickly interrupts excessive current flow to limit damage and downtime.
• Knife‑blade style connection: Ensures straightforward installation in JJN‐frame fuse holders for consistent reliability.
• Current‑limiting capability: Reduces stress on downstream components during fault conditions for improved system resilience.
• Compact, lightweight form factor: Perfect for panels or enclosures with limited space without sacrificing protection.
• Non‑indicating design: Simple construction reduces potential failure points and maintenance overhead.

Technical Specifications

• Amperage rating: 100 A
• Interrupting capacity: 200 kA at 300 V AC
• Fuse frame: JJN
• Height: 2.156 inches
• Weight: approx. 0.812 pounds

Material Compliance and Certifications

• UL‑listed: as a Class T fuse for commercial and industrial applications.
• Construction: Manufactured from reliable materials selected for long‑term stability and consistent performance under fault conditions.
• Compliance: Meets industry safety and performance standards for motor control centers, switchgear, and critical electrical systems.

Where It Works Best

• The JJN‑100 is ideal for environments where fast protection is vital—such as in commercial panelboards, motor control centers, machine‑tool circuits and other installations that experience high inrush currents or where downtime isn’t an option. If your application demands a fuse that acts quickly, takes up minimal space and safeguards downstream equipment, the JJN‑100 is a smart fit.