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MEGA-fuse 500A/80V (Single pc)

Victron's most powerful standard MEGA-fuse at 500A/80V DC provides superior circuit protection for the heaviest DC loads and 48V systems, supplied as a single unit.

Ultra-high 500 Amp current rating. Maximum operational voltage of 80 Volts DC. Extremely low cold resistance. Essential for heavy-duty 48V DC applications. Secure MEGA/AMG bolt-down form factor. Dimensions: 9 x 19 x 67mm
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SKU: CIP138500020
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Product Details

The Victron MEGA-fuse 500A/80V is an extremely high-rated component engineered to deliver critical, rapid overcurrent protection for the largest DC electrical systems. With a rating of 500 Amps and a maximum voltage of 80 Volts DC, this MEGA-style fuse is the premium safeguarding solution for the most powerful equipment, such as huge inverter setups, combined battery banks, and high-amperage distribution in 48V nominal systems.

This genuine Victron fuse is a cornerstone of system safety, offering reliable circuit integrity against both major short circuits and sustained overloads. It is designed for optimal efficiency, boasting an exceptionally low cold resistance and a minimal voltage drop of for reduced heat generation and maximum power transfer. The robust bolt-down format ensures a solid, anti-vibration electrical connection, making it perfectly suited for demanding marine, off-grid, and heavy-duty automotive installations, particularly within the Victron Lynx distribution range.

This product is supplied as a single piece for ease of installation or replacement.

Product Specifications

Performance & Electrical Specifications

  • Current Rating: 500 A
  • Voltage Rating: 80 V
  • Approximate Voltage Drop: 80 mV
  • Cold Resistance: 0.106 mΩ
  • Fuse Type: MEGA fuse (standard)

Mechanical Specifications

  • Mounting Type: Bolt-on
  • Mounting Hole Diameter: 8.7 mm (Designed for M8 bolts)
  • Overall Length: 68.8 mm
  • Total Width: 19 mm
  • Center-to-Center Hole Distance: 50.8 mm
  • Internal Body Width: 29.2 mm
  • Connection Tab Width: 16.2 mm

System Integration & Safety

  • Installation: Must be used with a compatible MEGA fuse holder to ensure safety and proper electrical contact.
  • Application: Recommended for primary circuit protection in marine, automotive, and off-grid solar systems, particularly those utilizing 48V battery banks.
  • Construction: High-durability design engineered to withstand the vibration and thermal demands of professional power installations.

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £250.
  • £5.99 for orders under £250.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

Shipping Policy

Datasheets
MEGA-fuse 500A/80V (Single pc) - Data Sheet
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