Bussmann FLF-40 Cartridge Fuse...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$95.13
$53.46
Bussmann FLF-40 Cartridge Fuse, Fuse link, female termination, Color code green, 40A, 32 Vdc, 10 kAICIC interrupt rating

Bussmann FLF-40 Cartridge Fuse Link, Female Termination, 40A, 32 Vdc, Green

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Model: FLF-40
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$95.13
$53.46
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Bussmann FLF-40 Cartridge Fuse Link, Female Termination, 40A, 32 Vdc, Green

The Bussmann FLF-40 is a cartridge fuse link engineered with a female termination for dependable circuit protection in low-voltage DC electrical systems. Rated 40A at 32 Vdc with a 10 kAIC interrupt rating, this fuse link is color-coded green for fast visual amperage identification on the job or in the field. Designed specifically for Japanese-designed vehicle wiring harness protection, the Bussmann FLF-40 delivers the precise overcurrent protection automotive electricians and technicians depend on.

Key Features

  • Amperage Rating: 40A rating provides dependable overcurrent protection for wiring harness circuits.
  • Voltage Rating: Rated 32 Vdc for use in low-voltage DC automotive electrical systems.
  • Interrupt Rating: 10 kAIC interrupt rating ensures safe fuse operation under fault conditions.
  • Female Termination: Female termination style allows secure, direct connection into compatible fuse holders and harness connectors.
  • Color Code: Green color coding allows technicians to quickly identify the 40A rating at a glance.
  • Fuse Indicator: Non-Indicating design, a standard cartridge fuse link configuration.
  • Compact Footprint: Compact dimensions of 1.25 IN in length, .88 IN in width, and .5 IN in height (approximately .05 LB) suit space-constrained wiring harness applications.

Technical Specifications

  • Amperage Rating: 40A
  • Application: Japanese designed vehicles for wiring harness protection
  • Compliances: Contact factory
  • Fuse Indicator: Non Indicating
  • Packaging Type: Standard
  • Product Height: .5 IN
  • Product Length Depth: 1.25 IN
  • Product Weight: .05 LB
  • Product Width: .88 IN

Typical Applications

  • Automotive Wiring Harness Protection
  • Japanese-Designed Vehicle Electrical Systems
  • Low-Voltage 32 Vdc DC Circuit Protection
  • OEM and Aftermarket Automotive Repair
  • Fuse Panel and Harness Connector Replacement

Why Bussmann?

Bussmann cartridge fuse links are built for consistent, reliable performance where accurate overcurrent protection matters. The FLF-40's defined 40A rating, 32 Vdc voltage rating, and 10 kAIC interrupt rating give installers a dependable, color-coded component for automotive wiring harness circuits, backed by the Bussmann name technicians trust for electrical protection components.

Manufacturer Resources

Product Specs

Amperage Rating:
40A
Application:
Japanese designed vehicles for wiring harness protection
Compliances:
Contact factory
Fuse Indicator:
Non Indicating
Interrupt Rating:
10 kAIC
Packaging Type:
Standard
Product Height:
.5 IN
Product Length Depth:
1.25 IN
Product Weight:
.05 LB
Product Width:
.88 IN
Special Features:
Color code green
Voltage Rating:
32 Vdc
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse link, female termination
Product Details:
Fuse link, female termination

Bussmann FLF-40 – Frequently Asked Questions

1) Will the Bussmann FLF-40 fuse link work in a 12V or 24V vehicle system?
Yes. The FLF-40 is rated 32 Vdc, which covers both 12-volt and 24-volt DC vehicle electrical systems. It is a DC-only device, so do not put it on an AC circuit.
2) Is the FLF-40 a male or female terminal fuse link?
Female termination. The FLF-40 has female terminals that slip onto the blades in a compatible fuse block or harness connector. If your holder presents female receptacles and needs a male-blade link, this is not the part.
3) Can I use a 40A FLF link where a lower-amp one was installed?
No. Match the amp rating the harness was built around. The FLF-40 protects a 40A circuit; putting it in a position that called for a smaller link means the wiring can overheat before the fuse ever opens. Replace like for like and confirm the color code on the original.
4) What does the green color on a Bussmann FLF fuse link mean?
Green is the amperage code for 40A on this cartridge fuse link family. On the FLF-40 the green body lets a tech confirm a 40-amp part without pulling it out and reading the stamp, which matters when you are matching a replacement in a harness with several links side by side.
5) What vehicles use Bussmann FLF cartridge fuse links?
The FLF series is specified for Japanese-designed vehicles for wiring harness protection. It shows up in main harness and fuse-block positions on those platforms, in both OEM replacement and aftermarket repair work.
6) How much room do I need in the fuse block for a Bussmann FLF-40?
The FLF-40 measures 1.25 x .88 x .5 inches and weighs about .05 lb. That is a compact footprint for a tight harness cavity, but check your block's cell opening against those figures before ordering a substitute for a different link style.
7) Can I tell from the outside whether an FLF-40 has blown?
No. The FLF-40 is non-indicating, so there is no pop-out pin or window to show an open element. You confirm it with a meter or by continuity check across the terminals, or by substituting a known-good link.
8) What fault current can the Bussmann FLF-40 safely clear?
10 kAIC. That interrupt rating is what lets the link open safely on a hard short near the battery, where available fault current on a starting battery is high. Pairing a lower-interrupt fuse into that position is the common mistake.
9) How does the FLF-40 ship for fleet or shop stock?
Standard packaging, single model FLF-40, ordered by the Bussmann part number FLF-40. There is one configuration, so stocking it for a fleet is a matter of quantity, not option selection.
How fast can I get the Bussmann FLF-40 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann FLF-40 come with a warranty?
Absolutely. The Bussmann FLF-40 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann FLF-40?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Bussmann FLF-40 from ZenSupply?
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