LITTELFUSE Automotive Fuse: 257 Series, Fast-Acting, 40 A, 32 V DC, Non-Indicating
The LITTELFUSE 257 Series is a fast-acting automotive fuse with a standard profile, rated at 40 A and 32 V DC. This non-indicating fuse is supplied in a 5-pack under manufacturer part number ATO40.
SKU 3G-OTH-26118
Also listed as: ATO 40 · ATO-40
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.
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Product Description
The LITTELFUSE 257 Series is a fast-acting automotive fuse with a standard profile, rated at 40 A and 32 V DC. This non-indicating fuse is supplied in a 5-pack under manufacturer part number ATO40.
Frequently Asked Questions
What is the LITTELFUSE 257 Series ATO40 fuse used for?
The LITTELFUSE 257 Series ATO40 is a fast-acting automotive fuse rated 40 A at 32 V DC. It protects vehicle electrical circuits from overcurrent damage, commonly used in cars, trucks, and marine applications for accessories like lighting, audio systems, and power distribution.
What are the specifications of the LITTELFUSE 257 Series fuse?
The LITTELFUSE 257 Series fuse is fast-acting with a standard profile, rated 40 A and 32 V DC. It is non-indicating and supplied in a 5-pack under MPN ATO40. The fuse is designed for automotive and low-voltage DC circuit protection.
Where to buy LITTELFUSE 257 Series fuses worldwide?
3G Electric supplies LITTELFUSE 257 Series fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the ATO40 5-pack or other LITTELFUSE fuse series for your application.
How to select the correct LITTELFUSE 257 Series fuse for my vehicle?
Select the LITTELFUSE 257 Series fuse based on your circuit's voltage (max 32 V DC) and current rating (40 A for ATO40). Ensure the fuse profile matches your fuse holder. For other ratings, consult the LITTELFUSE 257 Series range. Always replace with the same type and rating.
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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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