AM51132D43N-A Equivalent & Substitute Parts

Part Overview

The AM51132D43N-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a SPST-NO (Single Pole Single Throw - Normally Open) device with chassis mount installation. This switch is rated for 11A AC at 125V and 600mA DC at 125V, featuring a straight lever actuator and quick connect termination. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued supply cannot be guaranteed.

Substiute Parts

AM51132D43N-A

Panasonic Electric WorksIn Stock: 951AM51132D43N-A Datasheet

Current PartRFQ

83264822

CrouzetIn Stock: 73483264822 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM51132D43N-A is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPST-NO
• Switch function must be Off-Mom (momentary operation)
• Actuator type must be Lever, Straight
• Mounting type must be Chassis Mount
• Termination style must be Quick Connect - 0.250" (6.3mm)

Electrical Performance Criteria:

• AC current rating must meet or exceed 11A
• AC voltage rating must meet or exceed 125V
• DC voltage rating must meet or exceed 125V

Mechanical Criteria:

• Operating position tolerance must accommodate 0.602" (15.3mm) nominal travel
• Pretravel, differential travel, and overtravel must be compatible with existing mechanical interfaces

The substitute part Crouzet 83264822 satisfies all primary compatibility criteria and exceeds electrical performance requirements with 12A AC at 250V rating, making it functionally equivalent for direct replacement in applications where the higher voltage and current ratings do not create design conflicts.

Parameter Comparison

Engineering Selection Recommendations

The Crouzet 83264822 is an active production substitute for the obsolete AM51132D43N-A. Selection should be based on the following engineering factors:

Compliance and Certification: The Crouzet 83264822 carries RoHS Compliant status and REACH Unaffected designation, meeting current environmental and regulatory requirements. The original AM51132D43N-A is cadmium-free but lacks explicit RoHS certification documentation in the provided specifications.

Electrical Performance: The substitute part's 12A AC and 250V AC ratings exceed the original 11A at 125V requirement, providing design margin for AC applications. DC voltage rating for the substitute is not specified; applications requiring DC operation at 125V must confirm Crouzet specifications independently.

Mechanical Durability: The original part specifies 10,000,000 mechanical life cycles versus the substitute's 1,000,000 cycles. Applications requiring extended mechanical life should evaluate whether the reduced cycle rating is acceptable for the intended duty cycle.

Availability: The substitute is in active production status with documented inventory availability, whereas the original is obsolete. For new designs or long-term supply planning, the Crouzet part provides supply continuity.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83264822 directly replace the AM51132D43N-A in existing assemblies?

A: Direct mechanical and electrical replacement is possible if the application operates within the substitute's electrical ratings and does not require the original's 10,000,000 mechanical cycle specification. The 0.606" operating position of the Crouzet part is functionally equivalent to the 0.602" specification of the Panasonic part within standard mechanical tolerances.

Q: What is the primary reason to substitute the AM51132D43N-A?

A: The original part is classified as obsolete, meaning Panasonic Electric Works no longer manufactures it. Substitution becomes necessary for repair, maintenance, or redesign when original inventory is exhausted.

Q: Are there electrical performance differences between these parts?

A: The Crouzet substitute exceeds the original in AC current (12A vs. 11A) and AC voltage (250V vs. 125V) ratings. The original's DC rating of 600mA at 125V is not matched in the provided Crouzet specifications. Applications using DC operation must obtain complete Crouzet DC specifications before substitution.

Q: How do the mechanical life specifications compare?

A: The original AM51132D43N-A specifies 10,000,000 mechanical cycles, while the Crouzet 83264822 specifies 1,000,000 cycles. Applications with high-cycle momentary switching requirements should evaluate whether the reduced cycle rating meets operational demands.

Q: What are the termination compatibility requirements?

A: Both parts use Quick Connect - 0.250" (6.3mm) termination, ensuring direct compatibility with existing quick-connect receptacles and wiring harnesses.

Q: Does the operating temperature range affect substitution decisions?

A: The Crouzet part operates from -20°C to 125°C, compared to the original's -25°C to 105°C range. The substitute provides extended high-temperature capability but has a slightly higher minimum operating temperature. Applications operating below -20°C require the original specification or alternative parts.