Bussmann S500-1.25-R Fast Acting Fuse – Precision Circuit Protection

Overview

The Bussmann S500-1.25-R is a premium fast-acting fuse designed for rapid response to overcurrent events in sensitive electronics. Engineered for reliability, this 1.25A fuse interrupts excessive current flow within milliseconds to prevent damage to critical components. Ideal for industrial controls, instrumentation, and telecom systems where voltage spikes pose a threat.

Key Features

• Ultra-Fast Response: Clears overloads in <5 ms, minimizing collateral damage.
• High Voltage Rating: 500V AC/DC compatibility for versatile applications.
• Precision Rating: 1.25A current capacity ensures accurate protection for low-amperage circuits.
• Compact Design: Space-efficient 5x20mm cylindrical form factor (1/4″ x 3/4″).
• Durable Construction: Ceramic body with sand-filled quenching for stable arc suppression.
• Reliable Termination: Brass end caps with tin plating ensure optimal conductivity.

Technical Specifications

Applications

• PCB protection in power supplies & converters
• Medical equipment & laboratory instruments
• HVAC controls and automation systems
• Audio/visual & telecommunications hardware

Why Choose Bussmann?

A trusted Eaton brand, Bussmann fuses are globally recognized for uncompromising safety and compliance with international electrical standards. The S500 series delivers consistent performance under extreme conditions—backed by 100+ years of circuit protection expertise.

🔒 Protect Your Investment: Install with confidence in mission-critical environments.