AM51113C43N-A Snap Action Switch Equivalent & Substitute Parts

Part Overview

The AM51113C43N-A is a snap action switch manufactured by Panasonic Electric Works, configured as a single-pole double-throw (SPDT) device with on-momentary function. This chassis-mounted switch is rated for 11A AC at 125V and 600mA DC at 125V, featuring a straight lever actuator with quick connect 0.187" termination. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	AM51113C43N-A
Manufacturer	Panasonic Electric Works
Circuit Configuration	SPDT
Switch Function	On-Momentary
Current Rating (AC)	11A
Current Rating (DC)	600mA
Voltage Rating (AC)	125V
Voltage Rating (DC)	125V
Actuator Type	Lever, Straight
Mounting Type	Chassis Mount
Termination Style	Quick Connect - 0.187" (4.7mm)
Operating Temperature Range	-25°C to 105°C
Electrical Life	100,000 Cycles
Mechanical Life	10,000,000 Cycles
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the AM51113C43N-A is determined by the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration: SPDT
Switch function: On-Momentary
Mounting type: Chassis Mount
Actuator type: Lever, Straight
Termination style: Quick Connect - 0.187" (4.7mm)

Electrical Compatibility Criteria:

Current rating must meet or exceed 11A AC
Voltage rating must meet or exceed 125V AC
DC ratings must support 600mA at 125V where applicable

Mechanical Compatibility Criteria:

Operating position tolerance: 0.602" (15.3mm) nominal
Operating temperature range must encompass or extend the original -25°C to 105°C range

Substitute parts are grouped into two categories based on termination compatibility:

Group 1: 0.187" (4.7mm) Quick Connect Termination Parts maintaining identical termination style for direct mechanical and electrical interchange without connector modification.

Group 2: 0.250" (6.3mm) Quick Connect Termination Parts with upgraded termination for higher current applications, requiring connector adaptation but providing enhanced electrical capacity.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current (AC)	Voltage (AC)	Actuator	Termination	Operating Temp	Electrical Life	Status
AM51113C43N-A	Panasonic Electric Works	SPDT	11A	125V	Lever, Straight	0.187"	-25°C to 105°C	100,000	Obsolete
V7-1B17D8-048	Honeywell Sensing and Productivity Solutions	SPDT	11A	125V	Lever, Straight	0.187"	-40°C to 85°C	100,000	Active
V7-2B17D8-048	Honeywell Sensing and Productivity Solutions	SPDT	11A	125V	Lever, Straight	0.187"	-40°C to 85°C	100,000	Active
LS0851503F040C1A	E-Switch	SPDT	15A	125V	Lever, Straight	0.187"	-25°C to 85°C	50,000	Active
LS0851503F060C1A	E-Switch	SPDT	15A	125V	Lever, Straight	0.187"	-25°C to 85°C	50,000	Active
V7-1A17D8-048	Honeywell Sensing and Productivity Solutions	SPDT	5A	125V	Lever, Straight	0.187"	-40°C to 85°C	100,000	Active
83264043	Crouzet	SPDT	12A	250V	Lever, Straight	0.187"	-20°C to 125°C	Not specified	Active
V15H22-CZ100A03-K	Honeywell Sensing and Productivity Solutions	SPDT	22A	250V	Lever, Straight	0.250"	-25°C to 150°C	10,000	Obsolete
V15T16-CZ100A03-K	Honeywell Sensing and Productivity Solutions	SPDT	16A	250V	Lever, Straight	0.250"	-25°C to 125°C	50,000	Active
V15T16-CZ300A03-K	Honeywell Sensing and Productivity Solutions	SPDT	16A	250V	Lever, Straight	0.250"	-25°C to 125°C	50,000	Active
V7-1V19E9-048	Honeywell Sensing and Productivity Solutions	SPDT	21A	125V	Lever, Straight	0.250"	-40°C to 85°C	100,000	Active

Engineering Selection Recommendations

Direct Substitutes (0.187" Termination, No Adapter Required):

V7-1B17D8-048 and V7-2B17D8-048 are functionally equivalent to AM51113C43N-A with identical electrical ratings (11A AC, 125V AC) and termination style. Both are active products with RoHS compliance and REACH unaffected status. V7-1B17D8-048 maintains the same electrical life specification (100,000 cycles) as the original part. V7-2B17D8-048 offers the same cycle rating with lower operating force (20gf versus 50gf), suitable for applications requiring reduced actuation effort.

LS0851503F040C1A and LS0851503F060C1A from E-Switch provide higher current capacity (15A AC) at 125V with identical termination. Both are active products with ROHS3 compliance. LS0851503F040C1A features 40gf operating force; LS0851503F060C1A features 60gf operating force. Electrical life is reduced to 50,000 cycles compared to the original 100,000 cycles.

V7-1A17D8-048 is not recommended as a substitute due to insufficient current rating (5A AC versus 11A AC required).

83264043 from Crouzet provides 12A AC at 250V with 0.187" termination, offering voltage margin above the 125V requirement. This part is active and suitable for applications requiring higher voltage tolerance.

Upgraded Substitutes (0.250" Termination, Adapter Required):

V15T16-CZ100A03-K and V15T16-CZ300A03-K are active Honeywell products rated for 16A AC at 250V with 0.250" termination. Both provide enhanced electrical capacity and voltage rating. Connector adaptation is required for installation. V15T16-CZ100A03-K features 30gf operating force; V15T16-CZ300A03-K features 90gf operating force. Both maintain 50,000 electrical cycles and 5,000,000 mechanical cycles.

V7-1V19E9-048 is rated for 21A AC at 125V with 0.250" termination, providing current margin. This active product maintains 100,000 electrical cycles. Connector adaptation is required.

V15H22-CZ100A03-K is not recommended despite matching electrical parameters, as it is classified as obsolete.

Frequently Asked Questions (FAQ)

Q: Can V7-1B17D8-048 directly replace AM51113C43N-A without modification?

A: Yes. V7-1B17D8-048 matches all critical parameters: SPDT circuit, on-momentary function, 11A AC at 125V, straight lever actuator, and 0.187" quick connect termination. No mechanical or electrical modification is required.

Q: What is the difference between LS0851503F040C1A and LS0851503F060C1A?

A: Both parts are electrically identical (15A AC, 125V, SPDT, 0.187" termination). The difference is operating force: LS0851503F040C1A requires 40gf; LS0851503F060C1A requires 60gf. Selection depends on application actuation requirements.

Q: Why do some substitutes have 0.250" termination instead of 0.187"?

A: The 0.250" termination is used for higher current applications (16A to 22A AC). These parts require connector adaptation but provide enhanced electrical capacity and voltage ratings. Use only if your application can accommodate the larger termination or if connector adapters are available.

Q: Can V7-1A17D8-048 be used in place of AM51113C43N-A?

A: No. V7-1A17D8-048 is rated for only 5A AC, which is insufficient for the 11A AC requirement of the original circuit. Using this part would result in switch failure under normal operating conditions.

Q: What is the impact of reduced electrical life in E-Switch LS series parts?

A: LS0851503F040C1A and LS0851503F060C1A are rated for 50,000 electrical cycles compared to 100,000 cycles for AM51113C43N-A. For applications with high switching frequency, verify that 50,000 cycles meets the expected service life requirement before selection.

Q: Are all recommended substitutes RoHS compliant?

A: All active substitute parts listed are RoHS compliant (RoHS or ROHS3). The original AM51113C43N-A is obsolete and does not carry RoHS certification. Honeywell V-series parts carry RoHS compliance and REACH unaffected status.

Q: Can 83264043 be used in 125V circuits?

A: Yes. 83264043 is rated for 250V AC, which exceeds the 125V requirement. It is suitable for 125V circuits and provides voltage margin. However, verify that the -20°C to 125°C operating temperature range meets your application requirements, as it does not extend to -25°C like the original part.

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