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Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to KLLU4000X.

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Technical Documents
Datasheet and specification confirmation for engineers.

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Multi-part procurement and shortage sourcing assistance.

Littelfuse Inc. RFQ AVAILABLE

KLLU4000X

FUSE CARTRIDGE 4KA 600VAC/300VDC

Part Number: KLLU4000X

Manufacturer: Littelfuse Inc.

Category: Electrical, Specialty Fuses

Package: Cylindrical, Blade Terminal (Bolt)

Datasheet:: KLLU4000X.pdf

Description: FUSE CARTRIDGE 4KA 600VAC/300VDC

Select Quantity Stock: 4,338

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TECHNICAL RESOURCES

KLLU4000X Technical Information

Specifications
FAQ
Hot Sale
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Specifications

Product Attribute: Attribute Value

Part Number: KLLU4000X

Manufacturer: Littelfuse Inc.

Package: Cylindrical, Blade Terminal (Bolt)

Series: POWR-GARD® KLLU

Package / Case: Cylindrical, Blade Terminal (Bolt)

Packaging: Box

Product Status: Active

Mounting Type: Bolt Mount

Fuse Type: Cartridge

Current Rating (Amps): 4kA

Voltage Rating - AC: 600 VAC

Voltage Rating - DC: 300 VDC

Response Time: Slow Blow

Applications: Electrical, Industrial

Features: -

Class: L

Approval Agency: CE, CSA, UL

Operating Temperature: -

Breaking Capacity @ Rated Voltage: 200kA AC, 20kA DC

Size / Dimension: 5.752" Dia x 4.000" L (146.10mm x 101.60mm)

Grade: -

Qualification: -

Frequently Asked Questions

1. How can I order KLLU4000X from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of KLLU4000X?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of KLLU4000X updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for KLLU4000X?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for KLLU4000X?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

KLLU4000X Procurement and Technical Support

KLLU4000X is manufactured by Littelfuse Inc.. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing KLLU4000X and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for KLLU4000X.

Part Number: KLLU4000X

Manufacturer: Littelfuse Inc.

Package: Cylindrical, Blade Terminal (Bolt)

Category: Electrical, Specialty Fuses

Submit BOM RFQ Contact Sales

Payment Method

PayPal Bank Transfer VISA Mastercard Western Union

Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

Shipping Fee

Calculated according to destination and parcel weight

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