AM51110D43N-A Equivalent & Substitute Parts

Part Overview

The AM51110D43N-A is a snap action SPDT switch manufactured by Panasonic Electric Works, designed for chassis mount applications with quick connect termination. This component operates at 11A AC (125V) and 600mA DC (125V) with a round pin plunger actuator and on-momentary switch function. The product is currently obsolete, making equivalent and substitute parts necessary for system maintenance, repair, and legacy equipment support.

Substiute Parts

AM51110D43N-A

Panasonic Electric WorksIn Stock: 1225AM51110D43N-A Datasheet

Current PartRFQ

TFCGK6SP004AC

C&KIn Stock: 1040TFCGK6SP004AC Datasheet

SimilarRFQ

TFCGK6VP0040C

C&KIn Stock: 1082TFCGK6VP0040C Datasheet

SimilarRFQ

V3L-1088

Honeywell Sensing and Productivity SolutionsIn Stock: 799V3L-1088 Datasheet

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V3L-63

Honeywell Sensing and Productivity SolutionsIn Stock: 768V3L-63 Datasheet

SimilarRFQ

V7-9W1AE9-022

Honeywell Sensing and Productivity SolutionsIn Stock: 674V7-9W1AE9-022 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM51110D43N-A is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPDT
• Switch function must be On-Mom
• Mounting type must be Chassis Mount
• Actuator type must be Round (Pin Plunger)
• Termination style must be Quick Connect - 0.250" (6.3mm)
• Current rating must support minimum 11A AC at operating voltage
• Voltage rating must support minimum 125V AC operation

Substitute Parts Identified:

Group 1 - Direct Mechanical & Electrical Compatibility:

• TFCGK6SP004AC (C&K) - Meets all primary criteria with 11A AC @ 277V, identical mechanical dimensions, and compatible termination
• TFCGK6VP0040C (C&K) - Meets all primary criteria with 11A AC @ 277V and identical mechanical dimensions; termination differs at 0.187" (4.7mm)

Group 2 - Functional Compatibility with Design Variations:

• V7-9W1AE9-022 (Honeywell) - Meets circuit, function, and mounting requirements; actuator type differs (Lever, Straight vs. Round Pin Plunger); current rating exceeds requirement at 15A AC @ 125V; operating temperature range extends to 177°C

Group 3 - Limited Compatibility:

• V3L-1088 (Honeywell) - SPDT configuration with 10A rating; actuator type and termination style not specified; product status obsolete
• V3L-63 (Honeywell) - SPDT configuration with 15A rating; actuator type and termination style not specified; product status obsolete

Parameter Comparison

Engineering Selection Recommendations

Recommended Primary Substitutes:

TFCGK6SP004AC and TFCGK6VP0040C (C&K TF Series) are the preferred substitutes. Both parts maintain identical mechanical dimensions, SPDT circuit configuration, on-momentary function, and chassis mount design. Both are active products with ROHS3 compliance and REACH compliance status, ensuring long-term availability and regulatory alignment. TFCGK6SP004AC provides exact termination compatibility at 0.250" (6.3mm); TFCGK6VP0040C requires termination adapter consideration due to 0.187" (4.7mm) connector size.

Secondary Substitute:

V7-9W1AE9-022 (Honeywell V7 Series) is an active product with extended operating temperature range (-40°C to 177°C) and higher current rating (15A AC). This part is suitable for applications requiring enhanced thermal performance. The lever actuator design differs from the original round pin plunger, requiring mechanical integration assessment. RoHS compliance is confirmed.

Not Recommended:

V3L-1088 and V3L-63 (Honeywell) are obsolete products with incomplete technical specifications. Termination style and actuator type information is not provided, limiting compatibility verification.

Frequently Asked Questions (FAQ)

Q: Can TFCGK6VP0040C be used as a direct replacement for AM51110D43N-A?

A: TFCGK6VP0040C meets all electrical and mechanical requirements with one exception: the termination connector is 0.187" (4.7mm) instead of 0.250" (6.3mm). Direct substitution requires a termination adapter or harness modification. TFCGK6SP004AC is preferred for direct replacement without modification.

Q: What is the difference between TFCGK6SP004AC and TFCGK6VP0040C?

A: Both parts are electrically and mechanically identical with the same 11A AC @ 277V rating, SPDT configuration, and operating position. The only difference is termination style: TFCGK6SP004AC uses 0.250" (6.3mm) quick connect, while TFCGK6VP0040C uses 0.187" (4.7mm) quick connect.

Q: Why does V7-9W1AE9-022 have a different actuator type?

A: V7-9W1AE9-022 uses a lever actuator instead of a round pin plunger. This design difference affects mechanical integration and actuation force characteristics (162gf vs. 100gf). This part is suitable only if the application can accommodate the different actuator geometry and operating force.

Q: Are the C&K substitutes compatible with the original operating temperature range?

A: The C&K parts operate at -40°C to 85°C, which is narrower than the original -25°C to 105°C range. For applications requiring operation above 85°C, V7-9W1AE9-022 (-40°C to 177°C) is the appropriate choice.

Q: What compliance certifications should I verify for my application?

A: TFCGK6SP004AC and TFCGK6VP0040C are ROHS3 compliant and REACH affected. V7-9W1AE9-022 is RoHS compliant. Verify that these certifications meet your system requirements before final selection.

Q: Can I use V3L-1088 or V3L-63 as substitutes?

A: These parts are obsolete with incomplete technical specifications. Termination style, actuator type, and operating characteristics are not fully documented, preventing reliable compatibility assessment. Active alternatives are recommended.