MSM-22 SWITCH 3-144-931 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-22 SWITCH (Part Number 3-144-931) is a pushbutton switch classified as obsolete. Due to its discontinued status, identifying equivalent and substitute components is essential for maintaining system functionality, supporting legacy equipment, and ensuring continuity in applications where this switch was originally specified. Substitute parts must maintain functional equivalence as a pushbutton switch while adhering to the same mechanical and electrical interface requirements.

Substiute Parts

3-144-931

SCHURTER Inc.In Stock: 10533-144-931 Datasheet

Current PartRFQ

3-146-081

SCHURTER Inc.In Stock: 11553-146-081 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-22 SWITCH 3-144-931 is determined by functional equivalence within the SCHURTER pushbutton switch product line. The primary substitution criterion is maintenance of the same mechanical form factor and electrical switching characteristics inherent to the MSM-22 series. Parts qualify as substitutes when they preserve the pushbutton switch functionality and are sourced from the same manufacturer to ensure design compatibility and performance consistency.

Parameter Comparison

Engineering Selection Recommendations

The SCHURTER MSM-22 SWITCH 3-146-081 is the manufacturer-recommended substitute for the obsolete 3-144-931. Selection of the active substitute part 3-146-081 is appropriate for new designs and replacement applications. The substitute maintains the MSM-22 series designation and pushbutton switch classification, ensuring functional compatibility. The active product status of 3-146-081 provides assurance of ongoing availability and manufacturer support, addressing the obsolescence constraint of the original part.

Frequently Asked Questions (FAQ)

Q: What makes 3-146-081 a suitable substitute for 3-144-931? A: Both parts are SCHURTER MSM-22 series pushbutton switches with identical functional classification. The substitute is the manufacturer-recommended replacement and maintains active product status, ensuring continued availability and support.

Q: Can 3-146-081 be used as a direct replacement in existing applications? A: Yes. Both parts share the MSM-22 series designation and pushbutton switch functionality, indicating mechanical and electrical interface compatibility within the same product line.

Q: Why is the original part 3-144-931 no longer available? A: The part has reached obsolete status in the manufacturer's product lifecycle. The recommended substitute 3-146-081 provides equivalent functionality with active availability.

Q: Are there inventory considerations when selecting between these parts? A: Both parts maintain substantial inventory levels. The original part has 1038 units in stock, while the substitute has 1118 units available. For new applications, the active substitute is the preferred selection.

Q: Does the MSM-22 series designation guarantee compatibility? A: The MSM-22 series designation indicates that parts share the same mechanical form factor and switching characteristics. Both the original and substitute parts belong to this series, supporting functional equivalence.