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LITTELFUSE 257 Series Fast-Acting Fuse - Fast-Acting Fuses
LITTELFUSEFast-Acting Fuses

LITTELFUSE 257 Series Fast-Acting Fuse

The LITTELFUSE 257 Series is a fast-acting automotive fuse, model ATO5, rated at 5 A and 32 V DC. It features a standard profile and is non-indicating, supplied in a pack of 5. This fuse is designed for overcurrent…

SKU 3G-OTH-25318

Also listed as: ATO 5 · ATO-5

Brand
LITTELFUSE
Item
257 Series Fast-Acting Fuse
Part Number
ATO5
Category
Fast-Acting Fuses
Available to Order
Also known as:ATO5LITTELFUSE
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
ATO5
Series
257
Type
Fast-Acting, 5 A, Non-Indicating, 5 PK
DC
32 V
Fuse Profile
Standard Profile

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE 257 Series is a fast-acting automotive fuse, model ATO5, rated at 5 A and 32 V DC. It features a standard profile and is non-indicating, supplied in a pack of 5. This fuse is designed for overcurrent protection in automotive electrical systems.

Frequently Asked Questions

What is the LITTELFUSE 257 Series ATO5 fuse used for?

The LITTELFUSE 257 Series ATO5 fuse provides overcurrent protection in automotive electrical systems. It is a fast-acting, 5 A, 32 V DC fuse with a standard profile, suitable for protecting wiring and components in vehicles, trucks, and marine applications.

What are the specifications of the LITTELFUSE 257 Series ATO5 fuse?

The LITTELFUSE 257 Series ATO5 fuse is rated at 5 A and 32 V DC. It is fast-acting, non-indicating, and has a standard profile. The pack contains 5 fuses. The manufacturer part number is ATO5, and it belongs to the 257 series.

Where to buy LITTELFUSE 257 Series ATO5 fuses worldwide?

3G Electric supplies LITTELFUSE 257 Series ATO5 fuses worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this fuse for your automotive overcurrent protection needs.

How to select the correct LITTELFUSE 257 Series fuse for my application?

Select the LITTELFUSE 257 Series fuse based on your circuit's voltage and current requirements. The ATO5 is rated for 5 A at 32 V DC. Ensure the fuse's fast-acting characteristic matches your load's inrush current. Always consult the vehicle's wiring diagram for proper sizing.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.
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LITTELFUSE Products

3G Electric supplies LITTELFUSE fast-acting fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Fast-acting automotive fuse rated 3 A at 32 V DC. Standard profile, non-indicating design. Suitable for overcurrent protection in vehicle electrical circuits such as lighting, audio systems, and auxiliary power. Supplied in a 5-pack
LITTELFUSE
Fast-acting automotive fuse rated 3 A at 32 V DC. Standard profile, non-indicating design. Suitable for overcurrent protection in vehicle electrical circuits such as lighting, audio systems, and auxiliary power. Supplied in a 5-pack

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