Automotive Circuit Protection

MEGA / ANM Fuse Holder with Viewing Window – M8 Bolt-Down Fuse Holder

This MEGA / ANM fuse holder features a protective cover with a viewing window for convenient visual access to the fuse area.

The M8 bolt-down design is suitable for high-current automotive and low-voltage DC circuit protection, with a PA66 insulating body and secure threaded connections.

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Built for Reliable Electrical Protection

Product Overview

Product Overview

The MEGA fuse holder with viewing window is designed for high-current DC circuit protection using compatible ANM / MEGA bolt-down fuses.

Its protective cover incorporates a viewing window, allowing the fuse area to remain visible without removing the cover during routine inspection.

The holder uses M8 threaded studs and hex nuts for secure bolted connections. A PA66 nylon insulating body provides mechanical support and electrical insulation for automotive, battery, and other low-voltage DC power distribution systems.

The holder supports applications up to 120V DC, with a maximum electrical current limit of 500A.

M8 stud connection detail on bolt-down fuse holder

Key Features

  • Designed for MEGA / ANM bolt-down fuse applications
  • Protective cover with viewing window
  • M8 threaded stud connections
  • Maximum electrical current limit of 500A
  • Maximum application voltage of 120V DC
  • PA66 nylon insulating body
  • Application temperature from -40°C to +125°C
  • M8 nut torque requirement of 19 ± 1 N·m
  • Suitable for high-current DC circuit protection
  • Compact bolt-down structure for battery and power distribution systems

Product Specifications

Specification Value
Model CZY-FH07
Fuse Type MEGA / ANM
Maximum Current 500A
Maximum Voltage 120V DC
Application Temperature -40°C to +125°C
Fuse Mounting M8 Threaded Studs and Hex Nuts
M8 Nut Torque 19 ± 1 N·m
Insulator Material PA66 Nylon
Protective Cover Yes
Viewing Window Yes

Applications

  • Automotive electrical systems
  • Commercial vehicles and heavy-duty equipment
  • Marine DC battery systems
  • RV and camper electrical systems
  • Solar and off-grid battery systems
  • Battery banks and inverter circuits
  • Industrial machinery
  • Low-voltage DC power distribution
  • Custom high-current DC electrical systems

anm fuse holder application

Installation and Fuse Selection

Select the fuse according to the circuit voltage, required protection level, conductor capacity, and load characteristics. The holder’s 500A maximum electrical current limit should not be interpreted as a recommended 500A fuse rating for every application.

For the M8 connections, the applicable specification gives a nut torque requirement of 19 ± 1 N·m.

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