MSM-30 SWITCH 3-138-663 Equivalent & Substitute Parts

Part Overview

The SCHURTER MSM-30 SWITCH (part number 3-138-663) is a pushbutton switch classified as obsolete. As this component has reached end-of-life status, identifying functionally equivalent active alternatives is essential for ongoing system maintenance, repair, and new design implementations where this switch type is required.

Substiute Parts

3-138-663

SCHURTER Inc.In Stock: 7293-138-663 Datasheet

Current PartRFQ

3-145-645

SCHURTER Inc.In Stock: 7343-145-645 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MSM-30 SWITCH 3-138-663 is determined by functional equivalence within the SCHURTER pushbutton switch product line. The primary substitution criterion is maintenance of the same switch type classification (pushbutton switch) and series designation (MSM-30). The substitute part 3-145-645 maintains these core functional parameters while offering active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The MSM-30 SWITCH 3-145-645 is the direct active equivalent for the obsolete 3-138-663. Selection of the substitute part is based on identical functional classification, matching series designation, and active product status. The substitute maintains current manufacturing support and supply chain availability through SCHURTER Inc.

For applications currently using 3-138-663, transition to 3-145-645 ensures continued access to genuine components with manufacturer support and warranty coverage.

Frequently Asked Questions (FAQ)

Q: Can 3-145-645 directly replace 3-138-663 in existing applications? A: Yes. Both parts are MSM-30 series pushbutton switches from SCHURTER Inc. with identical functional classification, making 3-145-645 a direct functional equivalent for 3-138-663.

Q: Why is 3-138-663 listed as obsolete? A: The part has reached end-of-life status. SCHURTER Inc. has transitioned this component to obsolete classification, with 3-145-645 serving as the active replacement within the MSM-30 product line.

Q: Are there packaging or mechanical differences between these parts? A: Both parts are MSM-30 series components from the same manufacturer. Packaging specifications are not differentiated in the provided technical parameters.

Q: What is the supply status for these parts? A: 3-138-663 (obsolete) has 657 pieces available in current inventory. 3-145-645 (active) has 658 pieces available and represents the ongoing production equivalent.