LSXP4K Snap Action Switch - Equivalent & Substitute Parts

Part Overview

The LSXP4K is a snap action switch manufactured by Honeywell Sensing and Productivity Solutions, classified as a Single Pole Double Throw (SPDT) switch with chassis mount configuration. This component is rated for 10A AC at 120V and 800mA DC at 115V, featuring side rotary actuation without lever and screw terminal connections. The LSXP4K is designated as obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing system support and new procurement requirements.

Substiute Parts

LSXP4K

Honeywell Sensing and Productivity SolutionsIn Stock: 1045LSXP4K Datasheet

Current PartRFQ

LSXP3K

Honeywell Sensing and Productivity SolutionsIn Stock: 753LSXP3K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LSXP4K is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Circuit configuration: SPDT (DB/DM)
• Switch function: On-Momentary operation
• Current rating: 10A AC and 800mA DC
• Voltage rating: 120V AC and 115V DC

Mechanical Compatibility Parameters:

• Actuator type: Side Rotary - No Lever
• Mounting type: Chassis Mount
• Termination style: Screw Terminal
• Operating force: 46gfm
• Travel specifications: Pretravel 9°, Differential Travel 3°, Overtravel 66°

Environmental & Compliance Parameters:

• Operating temperature range: -12°C to 121°C
• Explosion Proof feature requirement
• RoHS Compliance status
• Moisture Sensitivity Level: 1 (Unlimited)

The LSXP3K meets all specified parameters and qualifies as a direct substitute for the obsolete LSXP4K.

Parameter Comparison

Engineering Selection Recommendations

The LSXP3K is the qualified substitute for the obsolete LSXP4K based on complete parameter equivalence across all electrical, mechanical, and environmental specifications. The LSXP3K maintains active product status with Honeywell Sensing and Productivity Solutions, ensuring ongoing availability and supply chain continuity. Both components carry identical RoHS compliance certification and Moisture Sensitivity Level 1 rating, confirming regulatory and environmental compatibility. The LSXP3K is available in current inventory (699 Pcs New Original In Stock), supporting immediate procurement requirements for applications previously specified with the LSXP4K.

Frequently Asked Questions (FAQ)

Q: Can the LSXP3K directly replace the LSXP4K in existing applications?

A: Yes. The LSXP3K meets all electrical, mechanical, and environmental parameters specified for the LSXP4K. No circuit modifications or mechanical redesign is required for direct substitution in chassis mount applications utilizing screw terminal connections.

Q: What is the primary difference between LSXP4K and LSXP3K?

A: The LSXP4K is designated as obsolete product status, while the LSXP3K maintains active product status. All functional and electrical parameters are identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both components are RoHS Compliant, carry Moisture Sensitivity Level 1 (Unlimited), and feature Explosion Proof design. Regulatory compliance is equivalent.

Q: What is the current availability of the LSXP3K?

A: The LSXP3K is available as New Original In Stock with 699 pieces in current inventory.

Q: Are the mounting and termination specifications identical?

A: Yes. Both components feature Chassis Mount configuration with Screw Terminal termination style, ensuring mechanical and electrical interface compatibility.

Q: What operating force and travel specifications apply to the LSXP3K?

A: The LSXP3K operates at 46gfm with 9° pretravel, 3° differential travel, and 66° overtravel, matching the LSXP4K specifications exactly.

Q: Is the LSXP3K suitable for the same temperature range as the LSXP4K?

A: Yes. Both components operate across the identical temperature range of -12°C to 121°C.