LSXA3K-1A Equivalent & Substitute Parts Reference

Part Overview

The LSXA3K-1A is a snap action SPDT switch manufactured by Honeywell Sensing and Productivity Solutions, designed for chassis mount applications with side rotary roller actuation. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

The LSXA3K-1A operates at 10A AC (120V) and 800mA DC (115V) with SPDT circuit configuration and On-Momentary switch function. Current inventory availability is limited to 1022 pieces, necessitating substitute part identification for long-term supply chain continuity.

Substiute Parts

LSXA3K-1A

Honeywell Sensing and Productivity SolutionsIn Stock: 1068LSXA3K-1A Datasheet

Current PartRFQ

LSA3K-1A

Honeywell Sensing and Productivity SolutionsIn Stock: 1056LSA3K-1A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LSXA3K-1A is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Non-Negotiable):

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

Mechanical Parameters (Non-Negotiable):

• Actuator type: Side Rotary, Roller
• Mounting type: Chassis Mount
• Termination style: Screw Terminal
• Operating force: 46gfm
• Travel specifications: Pretravel 15°, Differential Travel 5°, Overtravel 60°

Environmental Parameters:

• Operating temperature range: -12°C to 121°C
• RoHS compliance required

The LSA3K-1A meets all specified criteria and is identified as a direct functional equivalent. This substitute maintains identical electrical performance, mechanical interface, and environmental operating characteristics.

Parameter Comparison

Engineering Selection Recommendations

The LSA3K-1A is a direct functional equivalent to the LSXA3K-1A based on complete parameter alignment across electrical, mechanical, and environmental specifications.

Primary Advantage: The LSA3K-1A maintains Active product status, ensuring long-term availability and continued manufacturer support, whereas the LSXA3K-1A is classified as Obsolete.

Compliance Status: Both components are RoHS Compliant with identical Moisture Sensitivity Level (MSL 1 - Unlimited), meeting regulatory and environmental requirements.

Inventory Consideration: Current stock of LSA3K-1A (957 pieces) provides adequate supply for component procurement and system integration.

Selection Basis: Component selection should prioritize the LSA3K-1A for new designs and ongoing production to ensure supply chain continuity and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the LSA3K-1A directly replace the LSXA3K-1A in existing applications?

A: Yes. The LSA3K-1A is electrically and mechanically equivalent across all specified parameters, including circuit configuration, current/voltage ratings, actuator type, mounting interface, and operating characteristics. Direct substitution is supported without circuit modification.

Q: What is the primary reason for identifying a substitute for the LSXA3K-1A?

A: The LSXA3K-1A is classified as Obsolete. The LSA3K-1A maintains Active product status, ensuring continued availability, manufacturer support, and supply chain reliability.

Q: Are there packaging differences between the LSXA3K-1A and LSA3K-1A?

A: The LSXA3K-1A is supplied in standard packaging, while the LSA3K-1A is supplied in Bulk packaging. Both configurations contain identical components with no functional differences.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both the LSXA3K-1A and LSA3K-1A are RoHS Compliant with MSL 1 (Unlimited) moisture sensitivity rating. Operating temperature range is identical at -12°C to 121°C.

Q: What are the critical electrical parameters that define substitution compatibility?

A: Substitution compatibility is determined by: SPDT circuit configuration, On-Momentary switch function, 10A AC (120V) / 800mA DC (115V) current and voltage ratings. The LSA3K-1A meets all these requirements.

Q: Are the mechanical interfaces identical between these components?

A: Yes. Both components feature side rotary roller actuation, chassis mount configuration, screw terminal termination, and identical travel specifications (15° pretravel, 5° differential travel, 60° overtravel).