MSM-19 SWITCH 3-127-720 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-19 SWITCH (Part Number 3-127-720) is a pushbutton switch classified as obsolete. This part is no longer in active production. Identifying equivalent and substitute parts is necessary to maintain system functionality, ensure supply chain continuity, and support ongoing maintenance and repair operations for equipment utilizing this component.

Substiute Parts

3-127-720

SCHURTER Inc.In Stock: 10773-127-720 Datasheet

Current PartRFQ

3-145-459

SCHURTER Inc.In Stock: 7443-145-459 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-19 SWITCH 3-127-720 is determined by functional equivalence within the SCHURTER product line. The primary substitute part maintains identical functional classification as a pushbutton switch within the same manufacturer ecosystem. Substitution logic is based on the following criteria:

• Identical product type classification (Pushbutton Switch)
• Same manufacturer (SCHURTER Inc.)
• Equivalent series designation (MSM-19)
• Active product status of the substitute part

Parameter Comparison

Engineering Selection Recommendations

The SCHURTER MSM-19 SWITCH 3-145-459 is the manufacturer-recommended substitute for the obsolete 3-127-720. Selection of the active substitute part is appropriate for new designs and ongoing production requirements. The original part remains available for legacy system maintenance where exact part matching is required. Both parts are supplied as new original stock from SCHURTER Inc.

Frequently Asked Questions (FAQ)

Q: Can the 3-145-459 directly replace the 3-127-720 in existing applications? A: The 3-145-459 is the SCHURTER-recommended substitute and shares identical functional classification as a pushbutton switch within the MSM-19 series. Compatibility should be verified against specific application requirements and mechanical mounting specifications.

Q: Why is the original part 3-127-720 classified as obsolete? A: The 3-127-720 has been discontinued by SCHURTER Inc. and is no longer in active production. The 3-145-459 represents the current active equivalent within the product line.

Q: Are both parts available for purchase? A: The original 3-127-720 remains available with 1065 units in new original stock. The substitute 3-145-459 is actively produced with 698 units in new original stock.

Q: What parameters determine substitution eligibility for MSM-19 pushbutton switches? A: Substitution is based on matching product type (pushbutton switch), manufacturer (SCHURTER Inc.), and series designation (MSM-19). Mechanical and electrical compatibility must be confirmed for specific applications.