MSM-22 SWITCH 3-122-638 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-22 SWITCH (Part Number 3-122-638) 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-22 series represents a specific switch architecture, and suitable alternatives must maintain functional compatibility within the same product category.

Substiute Parts

3-122-638

SCHURTER Inc.In Stock: 9113-122-638 Datasheet

Current PartRFQ

3-145-708

SCHURTER Inc.In Stock: 7313-145-708 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-22 SWITCH 3-122-638 is determined by the following criteria:

• Manufacturer Alignment: Parts sourced from SCHURTER Inc. maintain design consistency and quality standards
• Product Category: Pushbutton switch functionality must be preserved
• Series Compatibility: MSM-22 series designation ensures mechanical and electrical compatibility
• Product Status: Active status parts provide long-term availability and supply chain reliability

The manufacturer-recommended substitute maintains all functional parameters while offering active product status and assured supply continuity.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SCHURTER 3-145-708

The MSM-22 SWITCH 3-145-708 is the manufacturer-recommended substitute for the obsolete 3-122-638. This part maintains identical functional classification as a pushbutton switch within the MSM-22 series. The critical advantage of this substitute is its active product status, ensuring continued availability, manufacturing support, and compliance with current supply chain requirements. For new designs or long-term production planning, the 3-145-708 is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can the 3-145-708 directly replace the 3-122-638?

A: Yes. Both parts are SCHURTER MSM-22 series pushbutton switches with identical functional classification. The 3-145-708 is the manufacturer-recommended substitute.

Q: Why is the original part obsolete?

A: The 3-122-638 has reached end-of-life status. SCHURTER has transitioned support to the 3-145-708, which provides equivalent functionality with active product status.

Q: Are there packaging differences between these parts?

A: Packaging information is not specified in the technical parameters for either part. Verify packaging requirements with your procurement or design documentation.

Q: What is the inventory status for each part?

A: The original 3-122-638 has 813 pieces available as new original stock. The substitute 3-145-708 has 708 pieces available as new original stock.

Q: Should I use the remaining stock of 3-122-638 or transition to 3-145-708?

A: For new designs and long-term production, transition to the 3-145-708 due to its active status. Existing stock of 3-122-638 may be used for current maintenance or repair applications where supply is available.