AM51152C43N-A Equivalent & Substitute Parts

Part Overview

The AM51152C43N-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a single-pole, single-throw normally closed (SPST-NC) device with a straight lever actuator and chassis mount termination. This component is rated for 11A AC at 125V and 600mA DC at 125V, with an operating force of 60gf and mechanical life of 10,000,000 cycles. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for system maintenance, repair, and redesign applications.

Substiute Parts

AM51152C43N-A

Panasonic Electric WorksIn Stock: 813AM51152C43N-A Datasheet

Current PartRFQ

83264642

CrouzetIn Stock: 69883264642 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AM51152C43N-A is determined by the following critical parameters:

Circuit Configuration: Both the main part and substitute must maintain SPST-NC topology to preserve normally closed contact behavior in the application.

Actuator and Mounting: Straight lever actuator with chassis mount termination ensures mechanical compatibility with existing panel cutouts and mounting hardware.

Termination Style: Quick Connect 0.187" (4.7mm) terminals are required for direct connection compatibility without rewiring.

Electrical Ratings: The substitute must meet or exceed the AC voltage and current requirements of 11A at 125V. DC ratings and temperature operating range are secondary considerations based on application-specific demands.

Switch Function: On-Momentary operation must be preserved to maintain the intended control behavior.

The Crouzet 83264642 qualifies as a substitute based on matching circuit configuration (SPST-NC), actuator type (lever, straight), mounting method (chassis mount), and termination style (quick connect 0.187"). While the Crouzet part offers higher AC voltage rating (250V) and current capacity (12A), these represent functional improvements rather than deviations from the original specification.

Parameter Comparison

Engineering Selection Recommendations

The Crouzet 83264642 is an active product with RoHS compliance and REACH unaffected status, providing regulatory advantages over the obsolete Panasonic AM51152C43N-A. The Crouzet part maintains functional equivalence through identical circuit configuration, actuator geometry, mounting method, and termination style.

For applications operating at or below 125V AC and 11A, the Crouzet 83264642 provides direct substitution capability. The higher voltage rating (250V) and current capacity (12A) of the Crouzet part do not create incompatibility; these represent design margin improvements. The operating force differential (51gf versus 60gf) and mechanical life reduction (1,000,000 versus 10,000,000 cycles) should be evaluated against specific application duty cycles and user interface requirements.

The extended operating temperature range of the Crouzet part (-20°C to 125°C versus -25°C to 105°C) is suitable for most industrial applications, with the exception of systems requiring operation below -20°C.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83264642 directly replace the Panasonic AM51152C43N-A without circuit modification?

A: Yes. Both parts share identical circuit configuration (SPST-NC), actuator type (straight lever), mounting method (chassis mount), and termination style (quick connect 0.187"). No circuit redesign is required.

Q: What is the significance of the current rating difference (11A versus 12A)?

A: The Crouzet part is rated for 12A AC at 250V, which exceeds the original 11A at 125V specification. This represents increased electrical capacity and does not create compatibility issues for applications designed for the lower rating.

Q: How does the mechanical life difference affect substitution suitability?

A: The Panasonic part specifies 10,000,000 mechanical cycles versus 1,000,000 for the Crouzet part. For applications with high cycle counts, this difference should be evaluated against expected system lifetime and maintenance intervals. For typical industrial control applications, the Crouzet part remains suitable.

Q: Are there temperature range limitations with the Crouzet substitute?

A: The Crouzet part operates from -20°C to 125°C, compared to the original -25°C to 105°C range. Applications requiring operation below -20°C or above 125°C should retain the original specification or identify alternative substitutes with extended temperature ratings.

Q: What regulatory advantages does the Crouzet part provide?

A: The Crouzet 83264642 is RoHS compliant and REACH unaffected, providing compliance with current environmental and safety regulations. The obsolete Panasonic part may not meet modern regulatory requirements for new system designs or replacements in regulated industries.

Q: Is the operating force difference (60gf versus 51gf) significant?

A: The Crouzet part requires 9gf less operating force. This represents a minor ergonomic difference suitable for most applications. Systems with specific tactile feedback requirements should evaluate this parameter against user interface specifications.