MSM-19 SWITCH 3-129-511 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-19 SWITCH (part number 3-129-511) is a pushbutton switch classified as obsolete. Due to its discontinued status, identifying equivalent and substitute components is necessary to maintain system functionality and support ongoing maintenance or redesign requirements. The MSM-19 series represents a specific switch architecture, and suitable alternatives must maintain functional compatibility within the same product category.

Substiute Parts

3-129-511

SCHURTER Inc.In Stock: 11633-129-511 Datasheet

Current PartRFQ

3-145-444

SCHURTER Inc.In Stock: 7353-145-444 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3-129-511 is based on functional equivalence within the MSM-19 pushbutton switch category. The primary substitute identified maintains the same manufacturer (SCHURTER Inc.), product type (pushbutton switch), and mechanical form factor. The key substitution criterion is product status transition from obsolete to active availability, ensuring continued supply chain access while preserving the same electrical and mechanical interface characteristics.

Parameter Comparison

Engineering Selection Recommendations

The SCHURTER 3-145-444 is the recommended substitute for the obsolete 3-129-511. Both components are MSM-19 series pushbutton switches manufactured by SCHURTER Inc. The primary advantage of selecting the 3-145-444 is its active product status, which ensures long-term availability and continued manufacturer support. This substitution maintains functional and mechanical compatibility while providing access to current inventory and ongoing supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can the 3-145-444 directly replace the 3-129-511 in existing applications? A: Yes. Both components are MSM-19 series pushbutton switches from SCHURTER Inc. with identical product classification and mechanical form factor, supporting direct substitution.

Q: Why is the 3-129-511 listed as obsolete? A: The 3-129-511 has been discontinued by the manufacturer. The 3-145-444 represents the active equivalent within the same product series.

Q: Are there inventory considerations for this substitution? A: The 3-129-511 has 1111 pieces available in stock, while the 3-145-444 has 668 pieces available. Both are listed as new original stock.

Q: What determines compatibility between these two part numbers? A: Compatibility is based on shared manufacturer (SCHURTER Inc.), identical product category (pushbutton switch), and series designation (MSM-19). These parameters ensure mechanical and functional equivalence.