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SCHURTER MSM-30 Switch 3-123-655 Equivalent & Substitute Parts
Part Overview
The SCHURTER MSM-30 Switch (part number 3-123-655) 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
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 3-123-655 |
| Manufacturer | SCHURTER Inc. |
| Product Category | Pushbutton Switch |
| Series | MSM-30 |
| Product Status | Obsolete |
| Packaging | Standard |
Substitute Part Grouping Explanation
Substitution for the SCHURTER MSM-30 Switch 3-123-655 is determined by functional equivalence within the MSM-30 series. The primary substitute maintains identical product category classification (Pushbutton Switch), manufacturer origin (SCHURTER Inc.), and series designation (MSM-30). The substitute part is selected based on active product status and current availability, ensuring long-term supply chain reliability for replacement and repair applications.
Parameter Comparison
| Parameter | 3-123-655 (Original) | 3-145-640 (Substitute) |
|---|---|---|
| Manufacturer Part Number | 3-123-655 | 3-145-640 |
| Manufacturer | SCHURTER Inc. | SCHURTER Inc. |
| Product Category | Pushbutton Switch | Pushbutton Switch |
| Series | MSM-30 | MSM-30 |
| Product Status | Obsolete | Active |
| Current Inventory | 744 Pcs New Original | 704 Pcs New Original |
Engineering Selection Recommendations
The SCHURTER part number 3-145-640 is the manufacturer-recommended substitute for the obsolete 3-123-655. Both components share identical functional classification, series designation, and manufacturer origin. The substitute part 3-145-640 maintains active product status, ensuring ongoing availability and manufacturer support. Selection of the active substitute part is appropriate for new designs, system upgrades, and long-term maintenance planning where supply chain continuity is required.
Frequently Asked Questions (FAQ)
Q: Can the SCHURTER 3-145-640 directly replace the 3-123-655 in existing applications?
A: Yes. Both parts are MSM-30 series pushbutton switches manufactured by SCHURTER Inc. with identical functional classification. The substitute part is the manufacturer-recommended replacement.
Q: Why is the original part 3-123-655 listed as obsolete?
A: Obsolete status indicates the part is no longer in active production. The manufacturer has designated 3-145-640 as the active equivalent for continued support and supply.
Q: What is the difference between the two part numbers?
A: The part numbers differ, but both components serve the same functional purpose within the MSM-30 switch series. The substitute part 3-145-640 is the current production equivalent.
Q: Are there inventory considerations when selecting between these parts?
A: Both parts maintain current stock levels (744 Pcs for 3-123-655 and 704 Pcs for 3-145-640). Selection should prioritize the active part 3-145-640 for new applications and future availability assurance.
Q: Is the packaging identical between these two parts?
A: Both parts use standard packaging consistent with MSM-30 series specifications.
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