Littelfuse JLS400 Current Limiting Fuse, Class J, 600V

Ensure top-tier protection for your electrical systems with the Littelfuse JLS400 Current Limiting Fuse. Designed for high-performance circuit protection, this Class J fuse offers exceptional reliability and safety with its current-limiting capabilities, making it ideal for various industrial and commercial applications.

Key Features:

• High Voltage Rating: Rated for up to 600V, providing robust protection for high-voltage circuits and equipment.
• Current Limiting: Features advanced current-limiting technology to minimize the peak let-through current during fault conditions, reducing potential damage to your electrical components.
• Class J Performance: Meets Class J specifications for superior performance, offering enhanced protection compared to standard fuses.
• Durable Construction: Made from high-quality materials to withstand harsh environments and provide long-lasting reliability.
• Compact Design: Space-efficient design that fits easily into standard fuse holders, optimizing installation space and simplifying maintenance.
• Versatile Application: Ideal for a wide range of applications including industrial machinery, power distribution systems, and motor protection.
• Compliance with Standards: Conforms to industry standards for safety and performance, ensuring reliable operation and peace of mind.

Why Choose Littelfuse JLS400?

The Littelfuse JLS400 Current Limiting Fuse delivers exceptional protection with its high voltage rating and advanced current-limiting features. Its durable construction and Class J performance make it a reliable choice for safeguarding critical equipment and ensuring system stability.

We ship orders Monday through Friday, excluding holidays. Most in-stock items are processed and shipped within 1–2 business days. Once your order ships, you’ll receive tracking information via email.

Standard Shipping: 2–5 business days (carrier: USPS, UPS, or FedEx depending on item size and destination)

Expedited Shipping: Available upon request. Contact us before ordering.

Freight Shipping: Larger or palletized orders may ship via LTL freight. We’ll contact you directly for delivery coordination.

Shipping Rates:
Shipping costs are calculated at checkout based on weight, dimensions, and destination. For bulk orders or local pickups, please contact us for custom shipping options.

New Products are covered by a 90 Day Warranty. Used Products are sold as is.

   Returns are accepted within 30 days of delivery.
    •    Items (new or used) must be in the same condition as received and include original packaging when possible.
    •    A receipt or proof of purchase is required.
    •    Buyer is responsible for return shipping unless the item is defective or not as described.

 A 20% restocking fee applies to all returns not due to defects or listing errors (e.g., ordered by mistake, no longer needed).
    •    This fee will be deducted from the refund total.