5mm x 20 mm 20A Fast Blow Glass Tube Fuse.

 5mm × 20mm Fast Blow Glass Fuse – 20A | Circuit Protection for Electronics

This 5 × 20mm 20A fast blow glass fuse provides reliable protection for electrical circuits and devices. Commonly used in multimeters and electronic equipment, it is designed to quickly break the circuit in the event of overload or short circuit, helping protect components from damage.

Key Features

• Fast blow response for immediate circuit protection
• Standard 5 × 20mm glass fuse size
• 20A current rating
• Transparent glass body for easy inspection
• Common replacement for multimeters and electronic devices

What’s Included

• 1 × 5mm × 20mm 20A Fast Blow Glass Fuse

Curriculum Links

Australian Curriculum (v9.0):

• ACTDEK042 – Investigate electrical systems
• ACTDEP049 – Apply safe procedures

Victorian Curriculum:

• VCDSTS039 – Technologies systems
• VCDSCD040 – Safe use of materials

NSW (Stage 4–5 Technology Mandatory):

• TE4-3DP – Safe use of materials and components

Classroom Use / Learning Outcomes

Students will:

• Understand circuit protection and safety
• Learn how fuses prevent damage in electrical systems
• Identify components used in real-world electronics
• Apply safe practices when working with circuits

Teacher Benefits

• Supports teaching of electrical safety concepts
• Easy to demonstrate fuse operation
• Common replacement part for classroom equipment
• Compact and easy to store

Perfect For

• Multimeter replacement fuses
• Circuit protection demonstrations
• Electronics repair and maintenance
• STEM and electrical safety lessons