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MEGA-fuse 400A/80V (Single pc)

Victron MEGA-fuse offers heavy-duty 400A/80V DC circuit protection for high-amperage applications, including 48V systems and the Lynx Distribution range, sold as a single unit.

High-capacity 400 Amp current rating. Maximum voltage rating of 80 Volts DC. Extremely low cold resistance. Ideal for large-scale 48V DC power installations. Secure MEGA/AMG bolt-down fuse format Dimensions: 9 x 19 x 67mm
£8.16
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SKU: CIP138400020
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Product Details

The Victron MEGA-fuse 400A/80V is an extremely robust component providing essential, high-speed overcurrent protection for the most demanding DC electrical systems. Rated for a maximum of 400 Amps and up to 80 Volts DC, this MEGA-style fuse is the ideal choice for safeguarding vital equipment such as large high-power inverters, major battery banks, and high-amperage charging systems, particularly in 48V nominal installations.

Designed for superior performance and safety, this genuine Victron fuse ensures reliable circuit integrity against catastrophic short circuits and overloads. It features a very low cold resistance and a minimal voltage drop of , which helps to maximise system efficiency by reducing heat and energy loss. This bolt-down fuse format guarantees a secure, vibration-resistant connection, essential for marine, automotive, and off-grid renewable energy applications.

Supplied as a single piece for convenient replacement.

Product Specifications

Performance & Electrical Specifications

  • Current Rating: 400 A
  • Voltage Rating: 80 V
  • Approximate Voltage Drop: 80 mV
  • Cold Resistance: 0.128 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 400A/80V (Single pc) - Data Sheet
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