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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, 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
257 Series Fast-Acting Automotive Fuse
Part Number
ATO1
Category
Fast-Acting Fuses
Available to Order
Also known as:ATO1LITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, 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
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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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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