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LITTELFUSE Automotive Fuse: 257 Series, Fast-Acting, 1 A, 32 V DC, Non-Indicating - Fast-Acting Fuses
LITTELFUSEFast-Acting Fuses

LITTELFUSE Automotive Fuse: 257 Series, Fast-Acting, 1 A, 32 V DC, Non-Indicating

The LITTELFUSE 257 Series is a fast-acting automotive fuse, supplied as a standard-profile, non-indicating unit rated at 1 A and 32 V DC. This 5-pack (MPN ATO1) is designed for overcurrent protection in automotive…

SKU 3G-OTH-26432

Also listed as: ATO 1 · ATO-1

Brand
LITTELFUSE
Item
Automotive Fuse: 257 Series, Fast-Acting, 1 A, 32 V DC, Non-Indicating
Category
Fast-Acting Fuses
Available to Order
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Local availability & support

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
ATO1
Series
257
Type
Fast-Acting, 1 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, supplied as a standard-profile, non-indicating unit rated at 1 A and 32 V DC. This 5-pack (MPN ATO1) is designed for overcurrent protection in automotive circuits.

Frequently Asked Questions

What is the LITTELFUSE 257 Series ATO1 fuse used for?

The LITTELFUSE 257 Series ATO1 is a fast-acting automotive fuse rated at 1 A and 32 V DC. It protects vehicle circuits from overcurrent damage, commonly used in lighting, audio, and accessory wiring. 3G Electric supplies this standard-profile, non-indicating 5-pack for global automotive maintenance and repair.

What are the specifications of the LITTELFUSE 257 Series ATO1?

The LITTELFUSE 257 Series ATO1 is a fast-acting, non-indicating automotive fuse with a standard profile. It is rated at 1 A and 32 V DC, supplied as a 5-pack. The manufacturer part number is ATO1. 3G Electric sources this genuine LITTELFUSE component for overcurrent protection in 12 V and 24 V vehicle systems.

Where to buy LITTELFUSE 257 Series ATO1 fuses worldwide?

3G Electric supplies the LITTELFUSE 257 Series ATO1 fuse (5-pack) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this fast-acting 1 A, 32 V DC automotive fuse for your maintenance needs.

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

Select the LITTELFUSE 257 Series fuse by matching the circuit's operating voltage (max 32 V DC) and current rating (1 A for ATO1). Use the standard-profile, fast-acting type for sensitive electronics. 3G Electric can help confirm the correct LITTELFUSE part number for your automotive application.

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.

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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