Bussmann S501-4-R Fast Acting Fuse

Bussmann S501-4-R Fast Acting Fuse

Reliable Overcurrent Protection for Industrial Applications

Overview

The Bussmann S501-4-R is a high-performance fast-acting fuse designed to safeguard sensitive electrical circuits against overcurrents and short circuits. Part of Eaton’s renowned Bussmann Series, this 4-amp fuse ensures rapid response to fault conditions, minimizing downtime and preventing damage to critical equipment. Ideal for industrial controls, power supplies, and automation systems.

Key Features

• Fast-Acting Response: Interrupts overloads within milliseconds to protect delicate components.
• Robust Construction: Ceramic body with tin-plated brass end caps ensures durability and low resistance.
• High Interrupt Capacity: Rated for 100,000 AIC (Amperes Interrupting Capacity) at 250V AC/DC.
• Clear Inspection Window: Allows visual confirmation of fuse status without disassembly.
• Standardized Sizing: 5x20mm dimensions (1/4″ x 1-1/4″) for easy replacement in compatible holders.

Specifications

• Current Rating: 4 Amps
• Voltage Rating: 250V AC/DC
• Type: Fast-Acting (No time-delay)
• Body Material: Ceramic
• Terminals: Tin-plated brass
• Approvals: UL/CSA certified

Applications

• Industrial control panels
• Power supplies and transformers
• HVAC systems
• Laboratory equipment
• Audio/visual and telecom devices

Why Choose the S501-4-R?

• Safety First: Meets global standards for reliable circuit protection.
• Zero Maintenance: Non-resettable design ensures consistent performance.
• Easy Integration: Drop-in replacement for standard 5x20mm fuse holders.

Trust the Bussmann S501-4-R to deliver precision protection where failure is not an option.

Manufacturer: Eaton Bussmann Series
Model: S501-4-R