Narva 54409BL - Twin ATS Add-A-Circuit Fuse Holder
SKU code: Narva54409BL
$10.20
In Stock
Narva 54409BL - Twin ATS Blade Add-A-Circuit Fuse Holder
Product Overview
Narva 54409BL is a twin standard blade add-a-circuit holder that lets you plug into an existing ATO/ATC fuse slot and create a new protected circuit while keeping the original circuit fused. Supplied with 5A and 10A fuses, it’s a fast, tidy way to add accessories without cutting into the factory loom on 12V and 24V systems.
Key Features
- Add-a-circuit piggyback design for quick accessory feeds
- Two ATS blade fuse positions — original circuit plus new circuit
- Includes 5A and 10A fuses; combined maximum 20A
- Low resistance blade interface for reliable performance
- Ideal for lights, comms, dash cams and low to medium draw accessories
Technical Specifications
Brand
Narva
Part Number
54409BL
Holder Type
Twin add-a-circuit ATS blade fuse holder
Fuse Compatibility
Standard blade fuses (ATO/ATC, ATS)
Circuit Capacity
Combined max 20A (across both fuse ways)
Voltage Rating
32V DC
Included Fuses
5A and 10A
Installation
Plugs into existing fuse slot; pigtail lead for new circuit
Pack Quantity
1
Warranty
12 months
Selection and Fitment Tips
- Check fuse size: Use only standard ATO/ATC blade fuses and a matching standard-size slot.
- Orientation matters: Insert so the add-a-circuit’s feed aligns with the slot’s supply side.
- Fuse values: Keep the original circuit’s correct fuse, then size the new accessory fuse to the smallest cable in that new circuit.
- Capacity: Do not exceed 20A combined across the two fuse positions.
Why Choose Narva 54409BL?
It’s the clean, reversible way to power accessories from the cabin or fuse box without cutting the factory loom, while keeping both circuits properly fused.
| Model # | 54409BL |
| Barcode # | 09314464544095 |
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Does Narva 54409BL have a protective cap?
No. 54409BL is an add-a-circuit style twin ATS blade holder that plugs into a standard blade fuse slot and does not use a cap.
What fuses does it accept and what is included in the pack?
It accepts standard blade fuses (ATO/ATC, ATS). Pack includes 5A and 10A fuses for the added circuit and the original circuit position.
What is the current capacity of the holder?
Combined maximum 20A across both fuse positions. Do not exceed 20A total when using this add-a-circuit holder.
How does the add-a-circuit function work?
It plugs into an existing fuse slot to retain the original fused circuit while providing a second fused feed via the pigtail lead for your accessory.
How should I orient the holder in the fuse box?
Insert it so the add-a-circuit’s feed is on the supply side of the slot. Use a test light or diagram to confirm supply vs load before fitting.
What fuse values should I use for the two positions?
Keep the OE circuit’s correct fuse in the original position. Size the new accessory’s fuse to protect the smallest cable in the added circuit, without exceeding the 20A combined limit.
Is it suitable for 12V and 24V systems and what is the voltage rating?
Yes. Rated 32V DC, suitable for both 12V and 24V automotive applications when used within the current limits.
Can I use it for high-draw loads like fridges or light bars?
Use it for low to medium draws such as dash cams, comms or small accessories. For higher currents, run a dedicated fused feed from the battery using an appropriate holder.
What should I check if the new accessory fuse keeps blowing?
Inspect for shorts, damaged insulation or undersized cable. Do not upsize the fuse to mask a fault or exceed the 20A combined capacity.
What is the warranty and what comes in the pack?
Warranty is 12 months. Pack includes one twin add-a-circuit holder plus 5A and 10A fuses.
