Narva 54410BL - Low Profile In-Line Micro Blade Fuse Holder

Narva • Micro blade format • In-line holder • Suits 12V and 24V systems

Product Overview

Narva 54410BL is a compact in-line holder for micro blade fuses. Its low-profile body and protective cap make it a good choice for tight engine bays, behind-dash installs, and accessory circuits on 12V and 24V vehicles. Use it to add a fused branch circuit or to relocate a micro fuse from a crowded panel into an accessible position.

Key Features

  • Accepts micro blade fuses (typical 2 A to 30 A range)
  • Low profile body with protective cap to help keep dust and splashes out
  • In-line format for easy addition of fused accessory circuits
  • Compact footprint for modern vehicles and tight spaces
  • Genuine Narva holder designed for reliable contact and fuse retention

Technical Specifications

Brand
Narva
Part No.
54410BL
Fuse Format
Micro blade
System Voltage
12V and 24V DC
Holder Rating
Up to 30 A (check circuit and wiring limits)
Mounting
In-line, general purpose
Environmental
Protective cap, suitable for typical automotive environments
Warranty
12 months

Selection and Installation Notes

  • Match the fuse value to the load and wiring size. Do not oversize the fuse.
  • Place the holder as close to the power source as practical to protect the entire run.
  • Use correct crimp or solder joins and heat-shrink to seal connections where exposed.
  • Secure the holder to prevent vibration wear and chafing on adjacent components.

Why Choose Narva 54410BL?

Purpose-built for micro blade fuses, this holder gives you a neat, low-profile way to add or relocate fused circuits. It keeps the fuse accessible, protected, and seated firmly for reliable operation in automotive conditions.

Model # 54410BL

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What fuse type fits Narva 54410BL?
Micro blade fuses. Choose the amperage that matches the circuit design and wiring size.
What is the maximum amperage the holder supports?
Up to 30 A holder rating is typical for micro blade in-line holders. Always size the fuse to the load and wiring, not just the holder rating.
Is it suitable for both 12V and 24V systems?
Yes. It is intended for automotive DC circuits on 12V and 24V systems when used with the correct micro blade fuse value.
Does it include a protective cap or cover?
Yes. The holder uses a low-profile body with a protective cap to help resist dust and splashes.
Where should I position the holder in the circuit?
As close to the power source as practical to protect the entire cable run feeding your accessory or module.
Can I use it under the bonnet or in exposed areas?
Yes, with proper placement and secure mounting. Seal joins with heat-shrink and keep the cap closed to reduce moisture ingress.
What wire size should I use with this holder?
Select wire gauge based on circuit current, length and voltage drop. The fuse should always be the weak link relative to the cable ampacity.
Which Narva micro fuses are commonly paired with 54410BL?
Popular values include 5A, 7.5A, 10A, 15A, 20A and 30A. Use the value specified by the vehicle or accessory manufacturer.
Any tips to avoid nuisance blowing or overheating at the holder?
Crimp correctly with matched terminals, keep joins clean and tight, avoid cable strain, and size the fuse to protect the smallest wire in the circuit.
What is the warranty period?
12 months.

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