APEM Inc. MPB11406 Equivalent & Substitute Parts

Part Overview

The APEM Inc. MPB11406 is a pushbutton switch with SPST-NC (Single Pole Single Throw - Normally Closed) circuit configuration, rated for 0.3A at 125V AC. This component is designed for standard panel mount rear installation with a red round button actuator and solder lug termination. The MPB11406 is classified as obsolete, making identification of equivalent substitute parts essential for ongoing system maintenance and new design implementations where this circuit topology is required.

Substiute Parts

MPB11406

APEM Inc.In Stock: 958MPB11406 Datasheet

Current PartRFQ

30-252 RED

Grayhill Inc.In Stock: 92030-252 RED Datasheet

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30-252 RED-E

Grayhill Inc.In Stock: 100230-252 RED-E Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MPB11406 are qualified based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

• Circuit configuration: SPST-NC (maintained across all substitutes)
• Switch function: On-Mom (momentary operation)
• Mounting type: Panel Mount, Rear (consistent mechanical interface)
• Actuator type and color: Round button, red (identical user interface)
• Termination style: Solder lug (compatible connection method)
• Panel cutout dimensions: Circular configuration (mechanical compatibility)

Electrical Compatibility Considerations:

• Current rating: Substitute parts rated at 1A AC exceed the 0.3A requirement, providing margin for application flexibility
• Voltage rating: Substitute parts rated at 115V AC are compatible with 125V AC applications within standard industrial tolerance
• Operating temperature: Substitute parts support -40°C to 85°C, exceeding the original -20°C to 60°C range

Compliance and Lifecycle:

• RoHS3 compliance maintained across all parts
• Substitute parts carry Active product status, ensuring long-term availability
• Enhanced electrical life ratings (250,000 cycles) provide superior durability compared to original 10,000 cycles

Parameter Comparison

Engineering Selection Recommendations

30-252 RED (Grayhill Inc.) is the primary substitute for the obsolete MPB11406. This part maintains identical circuit topology, mounting configuration, and user interface characteristics. The 30-252 RED carries Active product status, ensuring availability for both replacement and new design applications. Electrical specifications exceed the original requirements with 1A current capacity and 250,000-cycle electrical life. The part is fully sealed, providing enhanced environmental protection. ROHS3 compliance aligns with current regulatory requirements.

30-252 RED-E (Grayhill Inc.) serves as an alternative substitute with identical electrical and mechanical specifications to the 30-252 RED. The primary distinction is epoxy-sealed terminals, which provide additional protection for solder lug connections in applications requiring enhanced moisture resistance or harsh environmental exposure. This variant maintains Active product status and RoHS compliance.

Both Grayhill substitutes are suitable for direct replacement in applications currently using the MPB11406, with the selection between 30-252 RED and 30-252 RED-E determined by environmental and terminal protection requirements specific to the end application.

Frequently Asked Questions (FAQ)

Q: Can the Grayhill 30-252 RED directly replace the APEM MPB11406?

A: Yes. Both parts share identical SPST-NC circuit configuration, On-Mom switch function, panel mount rear installation, round red button actuator, and solder lug termination. The 30-252 RED exceeds electrical specifications with higher current rating (1A vs. 0.3A) and extended electrical life (250,000 vs. 10,000 cycles).

Q: What is the difference between 30-252 RED and 30-252 RED-E?

A: Both parts are electrically and mechanically identical. The 30-252 RED-E features epoxy-sealed terminals, providing additional protection for solder lug connections. Selection depends on application environment and moisture exposure requirements.

Q: Are there panel cutout dimension differences between the MPB11406 and substitute parts?

A: Yes. The MPB11406 specifies a 7.36mm circular panel cutout, while both Grayhill substitutes require a 6.75mm circular cutout. Panel modifications may be necessary for direct mechanical installation in existing enclosures designed for the MPB11406.

Q: Do the substitute parts meet the same compliance standards as the original?

A: Yes. Both 30-252 RED and 30-252 RED-E are ROHS compliant and REACH unaffected, matching the regulatory compliance profile of the obsolete MPB11406.

Q: What is the operating temperature capability difference?

A: The MPB11406 operates from -20°C to 60°C. Both Grayhill substitutes extend this range to -40°C to 85°C, providing broader environmental compatibility for applications requiring extended temperature operation.

Q: Why is the MPB11406 classified as obsolete?

A: Obsolete status indicates the part is no longer manufactured by APEM Inc. The Grayhill 30-252 series provides functionally equivalent alternatives with Active product status, ensuring long-term availability and supply chain continuity.