APEM A028301 Equivalent & Substitute Parts Reference

Part Overview

The APEM A028301 is a configurable switch body with keylock actuator, non-illuminated, designed for 22mm round panel cutouts. This maintained-type switch component requires contact blocks for operation and is classified as obsolete. Due to its obsolete status, identifying functionally equivalent substitute parts is essential for system redesign, maintenance, and procurement planning.

Substiute Parts

A028301

APEM Inc.In Stock: 961A028301 Datasheet

Current PartRFQ

LBW6K-3A

IDECIn Stock: 1005LBW6K-3A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the APEM A028301 are identified based on the following critical parameters that determine functional equivalence:

• Panel Cutout Dimensions: 22mm round (tolerance: 22.3mm acceptable for standard installation)
• Actuator Type: Keylock
• Switch Type: Maintained
• Illumination: Non-Illuminated
• Requires Contact Blocks: Yes
• Compliance: ROHS3 Compliant, REACH Unaffected, EAR99 classification

The IDEC LBW6K-3A meets these substitution criteria. Both parts share identical functional characteristics for actuator operation, switch maintenance behavior, and panel integration requirements. The 22.3mm cutout dimension of the LBW6K-3A is compatible with standard 22mm panel installations.

Parameter Comparison

Engineering Selection Recommendations

The IDEC LBW6K-3A is a direct functional substitute for the obsolete APEM A028301. Both components share identical electrical and mechanical characteristics for keylock-actuated, maintained-type switch operation in non-illuminated configurations.

Selection of the LBW6K-3A is supported by:

• Active product status ensuring long-term availability and supply chain continuity
• ROHS3 compliance matching the original component specification
• Identical MSL rating (1 - Unlimited) for storage and handling requirements
• EAR99 export classification alignment
• Compatible panel cutout dimensions for standard 22mm round installations

The LBW6K-3A is available in active inventory (923 Pcs) and is packaged in box format.

Frequently Asked Questions (FAQ)

Q: Can the IDEC LBW6K-3A directly replace the APEM A028301 in existing installations?

A: Yes. Both components share identical functional specifications for keylock actuation, maintained switching behavior, and non-illuminated operation. The 22.3mm panel cutout dimension of the LBW6K-3A is compatible with standard 22mm round panel installations.

Q: What is the significance of the 0.3mm difference in panel cutout dimensions?

A: The LBW6K-3A cutout dimension of 22.3mm is within standard mechanical tolerance for 22mm round panel installations. This minor dimensional difference does not affect functional compatibility or mechanical fit in typical applications.

Q: Are contact blocks interchangeable between the APEM A028301 and IDEC LBW6K-3A?

A: Both components require contact blocks for operation. Contact block compatibility must be verified based on the specific contact block series and electrical requirements of your application. Consult manufacturer documentation for contact block cross-reference information.

Q: What compliance certifications apply to both parts?

A: Both the APEM A028301 and IDEC LBW6K-3A are ROHS3 compliant, carry EAR99 export classification, and have MSL rating of 1 (Unlimited). The APEM A028301 is additionally specified as REACH Unaffected.

Q: Why is the APEM A028301 listed as obsolete?

A: Obsolete status indicates the part is no longer manufactured by APEM Inc. The IDEC LBW6K-3A provides functional continuity for applications requiring keylock-actuated, maintained-type switch components with identical electrical and mechanical characteristics.