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

LITTELFUSE 257 Series Fast-Acting Automotive Fuse

The LITTELFUSE 257 Series is a fast-acting automotive fuse rated at 3 A and 32 V DC, with a standard profile and non-indicating design. Supplied in a 5-pack under manufacturer part number ATO3, this fuse is suitable…

SKU 3G-OTH-25147

Also listed as: ATO 3 · ATO-3

Brand
LITTELFUSE
Item
257 Series Fast-Acting Automotive Fuse
Part Number
ATO3
Category
Fast-Acting Fuses
Available to Order
Also known as:ATO3LITTELFUSE
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LITTELFUSE
Manufacturer Part Number
ATO3
Series
257
Type
Fast-Acting, 3 A, Non-Indicating, 5 PK
DC
32 V
Fuse Profile
Standard Profile

Technical Documents

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

Product Description

The LITTELFUSE 257 Series is a fast-acting automotive fuse rated at 3 A and 32 V DC, with a standard profile and non-indicating design. Supplied in a 5-pack under manufacturer part number ATO3, this fuse is suitable for protecting electrical circuits in automotive applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LITTELFUSE 257 Series ATO3 fuse used for?

The LITTELFUSE 257 Series ATO3 fast-acting fuse protects automotive electrical circuits from overcurrent. Rated 3 A at 32 V DC, it is commonly used in vehicle lighting, audio systems, and auxiliary power circuits where quick response to faults is required.

What are the specifications of the LITTELFUSE ATO3 fuse?

The LITTELFUSE ATO3 is a 257 Series fast-acting automotive fuse rated 3 A and 32 V DC. It has a standard profile, non-indicating design, and comes in a 5-pack. The manufacturer part number is ATO3.

Where to buy LITTELFUSE ATO3 fuses worldwide?

3G Electric supplies LITTELFUSE ATO3 fuses worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine LITTELFUSE 257 Series fuses to your location. Contact us for availability and lead time.

How to select the correct LITTELFUSE automotive fuse?

Select a LITTELFUSE automotive fuse by matching the voltage rating (32 V DC for the ATO3), current rating (3 A), and fuse profile (standard) to your circuit requirements. Fast-acting fuses like the 257 Series protect sensitive electronics by opening quickly during overcurrent events.

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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