M2012SA2W30 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2012SA2W30 is a toggle switch manufactured by NKK Switches, configured as a Single Pole Double Throw (SPDT) with On-On switching function. This through-hole, right-angle mounted component is rated for 6A AC at 125V and 4A DC at 30V. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

M2012SA2W30

NKK SwitchesIn Stock: 844M2012SA2W30 Datasheet

Current PartRFQ

A123S1D9AQ

ElectroswitchIn Stock: 1060A123S1D9AQ Datasheet

SimilarRFQ

E101SD1AQE

C&KIn Stock: 814E101SD1AQE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2012SA2W30 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPDT
• Switch function must be On-On
• Mounting type must be Through Hole, Right Angle
• Termination style must be PC Pin
• Actuator type must be Standard Round
• AC voltage rating must support 125V minimum
• Current rating must meet or exceed 6A AC and 4A DC requirements

Secondary Considerations:

• Operating temperature range must encompass or exceed -30°C to 85°C
• Regulatory compliance (RoHS, REACH, ECCN) should align with application requirements

The identified substitute parts A123S1D9AQ and E101SD1AQE satisfy all primary compatibility criteria and represent active product alternatives to the obsolete M2012SA2W30.

Parameter Comparison

Engineering Selection Recommendations

A123S1D9AQ (Electroswitch) is suitable for applications where the original M2012SA2W30 specifications are met or exceeded. This part maintains identical AC/DC current ratings relative to the original design requirements and operates across an extended temperature range (-30°C to 90°C). The active product status ensures ongoing availability and supply chain continuity. RoHS compliance aligns with modern regulatory requirements.

E101SD1AQE (C&K) provides enhanced current handling capability (7.5A AC/DC) and includes IP57 ingress protection, making it applicable to applications requiring environmental sealing beyond the original specification. ROHS3 compliance and REACH affected status indicate full regulatory alignment with current standards. Extended electrical life (40,000 cycles) supports higher-cycle-count applications.

Both substitutes are available in active production status, contrasting with the obsolete M2012SA2W30. Selection between alternatives depends on specific application requirements regarding current capacity, environmental protection, and regulatory compliance scope.

Frequently Asked Questions (FAQ)

Q: Can A123S1D9AQ directly replace M2012SA2W30 in existing designs?

A: Yes. Both parts share identical circuit configuration (SPDT), switch function (On-On), mounting type (Through Hole, Right Angle), and termination style (PC Pin). AC voltage and current ratings are equivalent. DC voltage rating is 28V versus 30V; applications operating below 28V DC are fully compatible.

Q: What is the primary difference between the two substitute options?

A: E101SD1AQE provides higher current capacity (7.5A versus 6A) and includes IP57 ingress protection. A123S1D9AQ maintains closer electrical parity to the original M2012SA2W30 with extended temperature operating range. Both are electrically compatible substitutes; selection depends on environmental and performance requirements.

Q: Does packaging format affect substitution compatibility?

A: Packaging format (Bulk versus Tray) does not affect electrical or mechanical compatibility. Packaging selection is determined by procurement and assembly process requirements, not functional substitution criteria.

Q: Are there compliance considerations when substituting these parts?

A: Both substitute parts maintain RoHS compliance. E101SD1AQE carries REACH Affected status, requiring verification against specific application regulatory scope. A123S1D9AQ lists REACH status as Vendor Undefined. Compliance verification should be performed against target application and regional requirements.

Q: What does the difference in actuator length mean for substitution?

A: Actuator length (M2012SA2W30: 12.28mm, A123S1D9AQ: 10.41mm, E101SD1AQE: 12.70mm) affects panel engagement and tactile feedback characteristics. Mechanical fit within panel cutout geometry must be verified. All three parts use Standard Round actuator type and unthreaded bushing configuration, supporting mechanical interchangeability in standard through-hole applications.