12 Amp Slow Blow Fuses – MDL 3AG Type (5 Pack)

Reliable 12 Amp Slow Blow Fuses for Everyday Use

Protect your electronics and appliances with these high-quality 12 amp slow blow fuses. Designed for situations where short bursts of current are expected, these MDL (3AG) type slow blow fuses deliver dependable, time-delay protection for household and electronic devices.

Key Features and Benefits

• Current Rating: 12 Amps – Suitable for a wide range of applications
• Type: Slow Blow / Time Delay – Handles temporary start-up surges without blowing
• Size: 6 x 30mm (MDL/3AG) – Common replacement size for many household and electronic devices
• Package: Sold as a set of 5 fuses for convenience and value
• Trusted Brand: NTE Part Number: 74-6SG12A

Technical Specifications for MDL Type 12 Amp Fuses

• Rated Voltage: 125V / 250V
• Breaking Capacity:
  • 125VAC: 10kA
  • 250VAC: 200A
• Time Delay Characteristics:
  • 110% of rated current: Opens in at least 4 hours
  • 135% of rated current: Opens within 1 hour
  • 200% of rated current: Opens in 12 - 120 seconds

Common Uses for 12 Amp Slow Blow Fuses

Perfect for use in household appliances, power strips, audio/video equipment, and various electronics that require protection against overcurrent while tolerating short start-up surges. The 12 amp MDL slow blow fuse is ideal for circuit protection in devices with transformers or motors.

Easy Installation and Durable Design

These 6 x 30mm fuses are easy to replace and constructed with durable glass and metal ends for safe, reliable performance. The slow blow, time delay design means more protection and fewer unwanted shutdowns.

For detailed specifications, see the NTE 6x30mm Glass Fuse Datasheet.