4 Amp MDL Slow Blow Fuses – 5 Pack

Reliable 4 Amp MDL Slow Blow Fuses for Everyday Protection

Keep your electronics and appliances safe with these 4 Amp MDL Slow Blow Fuses, designed to handle surges and temporary overloads without interrupting your devices. These fuses are ideal for protecting circuits that can briefly draw extra current, like power tools, stereos, and household equipment.

Key Features of the 4 Amp Slow Blow Fuse

• Current Rating: 4 Amp
• Fuse Style: 3AG / MDL (also known as 6 x 30mm glass fuse)
• Voltage Rating: 125V / 250V
• Slow blow (time delay) action for protection against momentary surges
• Quantity: 5 fuses per pack
• NTE Part Number: 74-6SG4A

Technical Information

• Breaking Capacity: 125VAC, 10kA; 250VAC, 200A
• Time Delay Characteristics:
  • 110% of current rating: Opens in 4 hours minimum
  • 135% of current rating: Opens in 1 hour maximum
  • 200% of current rating: Opens in 12–120 seconds
• Size: 6mm x 30mm (1/4" x 1-1/4")
• Type: Glass cartridge fuse, 3AG style

For complete technical details, see the datasheet.

Why Choose These 4 Amp Slow Blow Fuses?

These 4 Amp MDL slow blow fuses are trusted for their reliability and consistent performance in protecting electronic devices from harmful surges. Whether you're replacing a fuse in your stereo, appliance, or DIY electronic project, this 5-pack of 4 Amp glass fuses helps ensure your devices remain safe and functional.

Order Your 4 Amp MDL Time Delay Fuses Today

Get convenient and flexible circuit protection with these 4 Amp MDL slow blow fuses. Every pack includes five high-quality glass 3AG fuses—perfect for repairs, replacements, and keeping extras on hand for future use.