MSM-19 SWITCH 3-127-436 Equivalent & Substitute Parts

Part Overview

The SCHURTER Inc. MSM-19 SWITCH (Part Number 3-127-436) 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 repairs, and ensuring design continuity in applications where this switch was originally specified.

Substiute Parts

3-127-436

SCHURTER Inc.In Stock: 9543-127-436 Datasheet

Current PartRFQ

3-145-502

SCHURTER Inc.In Stock: 7823-145-502 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MSM-19 SWITCH 3-127-436 are identified based on functional equivalence within the MSM-19 series and manufacturer compatibility. The primary substitution criterion is the maintenance of identical electrical and mechanical characteristics as defined by the series specification. The substitute part must originate from the same manufacturer (SCHURTER Inc.) to ensure design compatibility and performance consistency.

Key parameters determining substitution validity:

• Identical product series designation (MSM-19)
• Same functional classification (Pushbutton Switch)
• Equivalent mechanical form factor and mounting interface
• Active product status for continued availability

Parameter Comparison

Engineering Selection Recommendations

The substitute part 3-145-502 is the manufacturer-recommended equivalent for the obsolete 3-127-436. Selection of the active substitute is justified by:

• Manufacturer designation as direct replacement
• Identical series and functional classification
• Active product status ensuring long-term availability and supply chain continuity
• Equivalent mechanical and electrical performance within the MSM-19 specification

For applications currently using 3-127-436, transition to 3-145-502 is supported by SCHURTER Inc. as the appropriate path forward.

Frequently Asked Questions (FAQ)

Q: Can 3-145-502 be used as a direct replacement for 3-127-436? A: Yes. Both components are part of the MSM-19 series and are functionally equivalent pushbutton switches manufactured by SCHURTER Inc. The 3-145-502 is the manufacturer-recommended substitute for the obsolete 3-127-436.

Q: Why is 3-127-436 listed as obsolete? A: Product obsolescence indicates that the component is no longer in active production. The manufacturer has designated 3-145-502 as the active equivalent for continued support and supply.

Q: Are there mechanical compatibility considerations between these parts? A: Both parts maintain identical mechanical form factors and mounting interfaces as members of the MSM-19 series, ensuring direct substitution without design modification.

Q: What is the inventory status for these components? A: The original 3-127-436 has 892 pieces available as new original stock. The substitute 3-145-502 has 750 pieces available as new original stock.

Q: Should I prioritize the substitute part for new designs? A: Yes. For new applications and ongoing production, 3-145-502 is the appropriate selection due to its active product status and manufacturer recommendation.