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Blue Sea 5102 MEGA/AMG Fuse - 125AMP [5102]

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Regular price
$11.79
Regular price
$12.99
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$11.79
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SKU: CWR-19013   UPC: 632085051020

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MEGA/AMG fuse for 125-amp circuit protection in marine, RV, and automotive electrical systems, with compatibility for Blue Sea Systems MEGA/AMG fuse blocks.

This 125A fuse provides economical protection for medium- to high-amperage DC circuits. Its MEGA/AMG configuration fits compatible Blue Sea Systems fuse blocks, including the MEGA/AMG Safety Fuse Block. Ignition-protected construction supports use in appropriate marine and vehicle electrical installations. The fuse is rated for systems up to 70V DC and offers a 2,000A interrupt capacity at 32V DC.

  • 125A amperage rating: Helps protect compatible high-current electrical circuits from excessive current.
  • MEGA/AMG fuse format: Fits Blue Sea Systems MEGA/AMG fuse blocks for straightforward replacement or circuit servicing.
  • Ignition protected: Supports use in suitable marine and vehicle electrical applications where ignition protection is required.
  • Up to 70V DC maximum voltage: Provides a defined voltage limit for compatible direct-current systems.
  • 2,000A interrupt capacity at 32V DC: Helps interrupt substantial fault current in appropriately rated systems.

Use the Blue Sea Systems 5102 as a replacement or circuit-protection component in marine, RV, automotive, and other compatible DC electrical installations. The fuse is intended for use with MEGA/AMG fuse blocks rather than as a standalone connection method.

Its 125-amp rating suits circuits requiring more protection than lower-amperage fuses while remaining within the MEGA/AMG family’s 100- to 300-amp circuit-protection range. The ignition-protected design makes it suitable for compatible applications where electrical equipment may be installed near flammable vapors, provided the complete installation meets applicable requirements.

Before installation, match the fuse rating, voltage, interrupt capacity, and fuse-block compatibility to the protected circuit. Disconnect power and follow the equipment manufacturer’s installation instructions when replacing a fuse.

Brand Blue Sea Systems
Model 5102
Product Type Fuse
Fuse Type MEGA/AMG
Amperage 125A
Maximum Voltage 70V DC
Interrupt Capacity 2,000A at 32V DC
Ignition Protected Yes
Compatibility Blue Sea Systems MEGA/AMG fuse blocks
SKU CWR-19013
UPC 632085051020
Weight 0.06 lb
  • What is this fuse used for?
    It provides 125-amp circuit protection for compatible marine, RV, automotive, and other DC electrical systems.
  • Which fuse blocks fit this product?
    It is designed for use with Blue Sea Systems MEGA/AMG fuse blocks, including compatible MEGA/AMG safety fuse blocks.
  • What is the fuse’s maximum voltage rating?
    The verified maximum voltage rating is 70V DC.
  • Is the fuse ignition protected?
    Yes. The product is identified as ignition protected for suitable installations requiring that feature.
  • What should be checked before installation?
    Confirm the circuit’s required amperage, system voltage, interrupt-capacity needs, and compatibility with the installed MEGA/AMG fuse block.
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Blue Sea 5102 MEGA/AMG Fuse - 125AMP [5102]