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LITTELFUSE Automotive Fuse: 257 Series, Fast-Acting, 7.5 A, 32 V DC, Non-Indicating - Fast-Acting Fuses
LITTELFUSEFast-Acting Fuses

LITTELFUSE Automotive Fuse: 257 Series, Fast-Acting, 7.5 A, 32 V DC, Non-Indicating

The LITTELFUSE 257 Series is a fast-acting automotive fuse rated at 7.5 A and 32 V DC, with a standard profile and non-indicating design. Supplied in a 5-pack under MPN ATO7.5, this fuse is suitable for overcurrent…

SKU 3G-OTH-25450

Also listed as: ATO75 · ATO7 5 · ATO7-5

Brand
LITTELFUSE
Item
Automotive Fuse: 257 Series, Fast-Acting, 7.5 A, 32 V DC, Non-Indicating
Category
Fast-Acting Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
ATO7.5
Series
257
Type
Fast-Acting, 7.5 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 7.5 A and 32 V DC, with a standard profile and non-indicating design. Supplied in a 5-pack under MPN ATO7.5, this fuse is suitable for overcurrent protection in DC circuits.

Frequently Asked Questions

What is the LITTELFUSE 257 Series ATO7.5 fuse used for?

The LITTELFUSE 257 Series ATO7.5 is a fast-acting automotive fuse rated at 7.5 A and 32 V DC. It provides overcurrent protection in DC circuits, commonly found in vehicle electrical systems, battery chargers, and low-voltage power distribution.

What are the specifications of the LITTELFUSE ATO7.5 fuse?

The LITTELFUSE ATO7.5 is a 257 Series, fast-acting, non-indicating fuse rated at 7.5 A and 32 V DC. It has a standard profile and comes in a 5-pack. The manufacturer part number is ATO7.5.

Where to buy LITTELFUSE ATO7.5 fuses worldwide?

3G Electric supplies the LITTELFUSE ATO7.5 fuse worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine LITTELFUSE 257 Series fuses to your facility, regardless of location.

How to select the correct LITTELFUSE automotive fuse?

Select a LITTELFUSE automotive fuse by matching the voltage rating (32 V DC max for the ATO7.5), current rating (7.5 A), and physical profile (standard). Ensure the fuse is fast-acting for sensitive electronics. Always consult the circuit's load requirements before installation.

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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Compatible alternatives & equivalents

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