Narva 54411BL - Add-A-Circuit Twin Micro Blade Fuse Holder

Narva • Micro blade format • Add-a-circuit piggyback adaptor • Suits 12V and 24V systems

Product Overview

Narva 54411BL lets you safely add a fused accessory to an existing micro blade fuse slot without cutting factory wiring. The adaptor plugs into a spare or existing micro slot and provides two fuse positions - one to retain protection for the original circuit and another to protect your new accessory branch. Ideal for small accessories like dash cams, GPS, UHF handsets and telemetry modules.

Key Features

Twin fuse design retains the OEM circuit and adds a separately fused accessory branch
Plugs directly into a micro blade slot for a tidy, reversible install
Lead tail for connecting the new accessory feed
Supports standard micro blade fuses so values match OEM conventions
Suited to modern vehicles where space is tight and wiring integrity matters

Technical Specifications

Brand

Narva

Part No.

54411BL

Fuse Format

Micro blade (low profile)

System Voltage

12V and 24V DC

Function

Add-a-circuit piggyback with two fuse positions

Mounting

Plugs into an existing micro blade fuse slot

Included

Add-a-circuit adaptor with lead tail (fuses supplied separately)

Warranty

12 months

Selection and Installation Notes

Use micro blade fuses sized to the OEM circuit and your new accessory. Do not exceed the vehicle's fuse slot rating.
Confirm which fuse position protects the original circuit and which protects the new branch before powering up.
Route and secure the lead tail. Crimp or solder the accessory connection and insulate with heat-shrink where exposed.
Choose an ignition or constant feed according to accessory requirements. Verify with a test light or DMM.

Why Choose Narva 54411BL?

It adds a neat, fused take-off point without cutting factory looms. The twin-fuse design keeps the original circuit protected and adds a dedicated fuse for your accessory, helping maintain serviceability and electrical integrity.

Model #	54411BL
Barcode #	09314464544118

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What does an add-a-circuit fuse holder do?

It plugs into a micro blade slot and provides two fused paths - one for the original circuit and one for your new accessory branch, so both are protected independently.

Which fuse type fits Narva 54411BL?

Micro blade fuses only. Use values specified by the vehicle maker and your accessory's requirements.

Can I exceed the original fuse rating to power my accessory?

No. Do not exceed the vehicle slot rating or wiring capacity. Size the accessory fuse appropriately and keep the OEM value as specified.

Does it work on both ignition and constant feeds?

Yes. Choose a slot that is switched or constant according to your accessory needs. Confirm with a test light or DMM before final wiring.

Do I need to cut factory wiring to install it?

No. It plugs into an existing micro fuse slot, making the installation reversible and tidy.

Where should I route the accessory lead from the adaptor?

Route to your accessory, secure it against vibration and chafe, and insulate joins with heat-shrink where exposed.

What fuse goes in which position on the adaptor?

One slot retains the original circuit's fuse value, and the second slot holds the accessory fuse. Check the orientation diagram on the adaptor and verify before energising.

Will it fit mini or standard blade fuse boxes?

No. This model is for micro blade slots only. Use the correct add-a-circuit type for mini or standard blade panels.

Any tips to avoid parasitic drain or blown fuses after install?

Choose an ignition-switched slot for accessories that should not run when parked, and size both fuses correctly. If fuses blow, check for shorts and verify accessory current draw.

What is the warranty period for 54411BL?

12 months.