The Bussmann BP/ABC‑20 Fast‑Acting 20‑Amp Ceramic Tube Fuse provides reliable, rapid‑response overcurrent protection for appliances, electronic devices, and power systems that demand high‑performance safety components. Its rugged ceramic body construction offers advanced thermal and electrical durability, making it ideal for environments where heat levels and fault currents may exceed the capabilities of standard glass fuses.

Engineered for dependable performance and manufactured by one of the industry’s most trusted names, this fuse delivers consistent circuit protection in compact, versatile form. The BP/ABC‑20 comes in a convenient 2‑count retail pack, suitable for service professionals, appliance repair technicians, and DIY users needing a quality replacement fuse that meets modern electrical protection standards.

Key Features

• Fast‑acting performance quickly interrupts overloads to help protect sensitive circuits and components.
• High‑strength ceramic tube delivers superior heat resistance and higher interrupt capacity compared to glass fuses.
• Corrosion‑resistant nickel‑plated brass endcaps ensure stable conductivity and long‑term reliability.
• Standard 3AG/6.3×32 mm form factor fits widely used fuse holders and clip mounts.
• Designed for demanding applications, including microwaves, power supplies, and electronic equipment.
• Non‑indicating style provides a simple, robust construction with no built‑in blown‑fuse indicator.
• Trusted Bussmann engineering for consistent, safety‑focused performance in residential, commercial, and industrial environments.
• Convenient 2‑pack for immediate replacement and spare coverage.

Specifications

Electrical Ratings

• Amperage: 20A
• AC Voltage Rating: 250V
• DC Voltage Rating: 125V
• Interrupt Ratings:
  • 400A at 250 VAC
  • 1 kA at 125 VAC
  • 10 kA at 125 VDC
• Speed: Fast‑acting (quick‑blow)

Construction Details

• Tube Material: Ceramic, designed for high temperature endurance
• Endcaps: Nickel‑plated brass
• Termination: Ferrule‑style ends compatible with standard fuse clips
• Mounting: Holder/clip installation
• Body Type: Cylindrical cartridge fuse

Physical Dimensions

• Diameter: 6.35 mm (1/4 inch)
• Length: 31.75 mm (1‑1/4 inch)
• Fuse Size Category: 3AG / 6.3×32 mm

Certifications

• UL Listed
• CSA Certified
• Complies with standard 248‑14 miniature fuse requirements

Applications

The BP/ABC‑20 fuse is suitable for a broad range of electronic and electrical systems, especially those requiring fast interruption and elevated heat resistance:

Appliances & Household Electronics

• Microwave ovens
• Power strips and surge protectors
• Small appliance power circuits

Commercial & Industrial Equipment

• Power supply modules
• Instrumentation systems
• Electrical control assemblies

General Circuit Protection

• Circuits requiring fast‑acting protection for non‑inductive loads
• Systems where ceramic durability and higher interrupt capacity are essential