Littelfuse 03453LS8HXP Cartridge Fuse Holder Equivalent & Substitute Parts

Part Overview

The Littelfuse 03453LS8HXP is a panel-mounted cartridge fuse holder rated for 20 A at 250V, designed for single-circuit applications using 3AG cartridge fuses (0.25" Dia x 1.26" L). This component is Active status and widely used in industrial control panels, power distribution equipment, and electrical enclosures requiring reliable fuse protection and accessibility. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications.

Substiute Parts

03453LS8HXP

Littelfuse Inc.In Stock: 73703453LS8HXP Datasheet

Current PartRFQ

03453LS8HXNP

Littelfuse Inc.In Stock: 111603453LS8HXNP Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part 03453LS8HXNP is classified as a direct equivalent based on the following critical parameters that determine substitutability:

• Current Rating: Both parts rated 20 A
• Voltage Rating: Both rated 250V
• Fuse Size: Identical 0.25" Dia x 1.26" L (6.35mm x 32mm)
• Fuse Type: Both accept 3AG cartridge fuses
• Number of Circuits: Both single-circuit configurations
• Mounting Type: Both panel mount
• Termination Style: Identical Quick Connect - 0.250" (6.3mm)
• Contact Material & Finish: Copper Alloy with Tin finish on both
• Compliance: Both ROHS3 Compliant and REACH Unaffected

These parameters define the functional and physical compatibility envelope for this fuse holder category. Parts matching all these specifications are electrically and mechanically interchangeable.

Parameter Comparison

Engineering Selection Recommendations

Both the 03453LS8HXP and 03453LS8HXNP are Active status products manufactured by Littelfuse Inc. and maintain full compliance with ROHS3 and REACH requirements. Selection between these parts should be based on:

• Inventory Availability: The 03453LS8HXNP offers higher stock levels (1006 Pcs vs. 658 Pcs), providing improved supply chain reliability.
• Regulatory Compliance: Both parts satisfy identical environmental and safety standards, ensuring no compliance risk in substitution.
• Electrical Performance: Identical current and voltage ratings ensure equivalent circuit protection performance.
• Mechanical Compatibility: Matching fuse size, mounting type, and termination style guarantee direct physical interchangeability in existing panel designs.

Frequently Asked Questions (FAQ)

Q: Can 03453LS8HXNP be used as a direct replacement for 03453LS8HXP?

A: Yes. Both parts are identical in all critical electrical and mechanical parameters: 20 A current rating, 250V voltage rating, 3AG cartridge fuse compatibility, panel mount configuration, and Quick Connect termination. They are functionally and physically interchangeable.

Q: What fuse types are compatible with these holders?

A: Both holders accept 3AG cartridge fuses with dimensions 0.25" Dia x 1.26" L (6.35mm x 32mm). Only fuses rated for 250V and appropriate current ratings should be used.

Q: Are there any compliance differences between these parts?

A: No. Both parts are ROHS3 Compliant and REACH Unaffected, meeting identical environmental and regulatory standards.

Q: What is the termination method for these fuse holders?

A: Both parts use Quick Connect termination with 0.250" (6.3mm) spade connectors, enabling tool-free installation and removal.

Q: Can these holders be used in applications requiring different voltage ratings?

A: No. Both holders are rated exclusively for 250V applications. Use only in circuits matching this voltage specification.

Q: What contact materials are used in these fuse holders?

A: Both parts feature Copper Alloy contacts with Tin finish, providing reliable electrical conductivity and corrosion resistance in standard industrial environments.