M2012SS4W01-BB Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2012SS4W01-BB is a panel-mount toggle switch manufactured by NKK Switches with SPDT (Single Pole Double Throw) circuit configuration. This switch is rated for 6A at 125V AC and 4A at 30V DC, featuring a standard round actuator with white cap and solder lug termination. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing.

Substiute Parts

M2012SS4W01-BB
NKK SwitchesIn Stock: 784M2012SS4W01-BB Datasheet
M2012SS4W01-BB
Current Part
MN12SS4W01-BB
NKK SwitchesIn Stock: 763MN12SS4W01-BB Datasheet
MN12SS4W01-BB
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Part Number M2012SS4W01-BB
Manufacturer NKK Switches
Circuit Configuration SPDT
Switch Function On-On
Current Rating (AC) 6A
Current Rating (DC) 4A
Voltage Rating (AC) 125V
Voltage Rating (DC) 30V
Mounting Type Panel Mount
Actuator Type Standard Round with Cap
Actuator Length 14.60mm
Termination Style Solder Lug
Panel Cutout Dimensions Circular - 6.50mm Dia
Bushing Thread M6 x 0.75
Operating Temperature Range -30°C to 85°C
Electrical Life 25,000 Cycles
RoHS Status ROHS3 Compliant
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution of the M2012SS4W01-BB is determined by the following critical parameters:

  • Circuit Configuration: SPDT topology must be maintained
  • Current and Voltage Ratings: Minimum 6A at 125V AC and 4A at 30V DC
  • Mounting Interface: Panel mount with M6 x 0.75 bushing thread and 6.50mm circular cutout
  • Actuator Specifications: Standard round actuator with 14.60mm length
  • Termination: Solder lug connection style
  • Operating Temperature: -30°C to 85°C range
  • Electrical Life: 25,000 cycles minimum

The substitute part MN12SS4W01-BB meets these core electrical and mechanical parameters, enabling direct functional replacement in applications requiring SPDT toggle switch operation within the specified ratings and environmental conditions.

Parameter Comparison

Parameter M2012SS4W01-BB (Main) MN12SS4W01-BB (Substitute)
Manufacturer NKK Switches NKK Switches
Circuit Configuration SPDT SPDT
Switch Function On-On On-On
Current Rating (AC) 6A 6A
Current Rating (DC) 4A 4A
Voltage Rating (AC) 125V 125V
Voltage Rating (DC) 30V 30V
Mounting Type Panel Mount Panel Mount
Termination Style Solder Lug Solder Lug
Product Status Obsolete Active
RoHS Status ROHS3 Compliant Not specified
ECCN EAR99 EAR99
HTSUS 8536.50.9065 8536.50.9065

Engineering Selection Recommendations

The MN12SS4W01-BB is the designated substitute for the obsolete M2012SS4W01-BB. Both components are manufactured by NKK Switches and share identical electrical ratings, circuit configuration, and mechanical mounting specifications. The substitute part carries active product status, ensuring ongoing availability and supply chain continuity.

Both parts comply with export control classification EAR99 and share the same HTSUS commodity code, confirming regulatory alignment. The M2012SS4W01-BB is ROHS3 compliant; compliance status for the MN12SS4W01-BB should be confirmed with the manufacturer for applications requiring RoHS certification.

Selection of the MN12SS4W01-BB is appropriate for direct replacement in existing designs and new applications requiring SPDT toggle switch functionality within the specified electrical and environmental parameters.

Frequently Asked Questions (FAQ)

Q: Can the MN12SS4W01-BB directly replace the M2012SS4W01-BB in existing designs?

A: Yes. Both parts share identical electrical ratings (6A at 125V AC, 4A at 30V DC), SPDT circuit configuration, panel mount interface with M6 x 0.75 bushing, and solder lug termination. No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The M2012SS4W01-BB is obsolete. The MN12SS4W01-BB is an active product from the same manufacturer with equivalent specifications, ensuring continued component availability.

Q: Are the mechanical dimensions identical?

A: Both parts feature panel mount configuration with circular 6.50mm diameter cutout and M6 x 0.75 bushing thread. Actuator specifications are equivalent, supporting direct mechanical interchange.

Q: What are the critical parameters for substitution eligibility?

A: SPDT circuit topology, 6A at 125V AC minimum current rating, 4A at 30V DC minimum current rating, panel mount interface, solder lug termination, and -30°C to 85°C operating temperature range.

Q: Is RoHS compliance maintained with the substitute part?

A: The M2012SS4W01-BB is ROHS3 compliant. RoHS compliance status for the MN12SS4W01-BB should be verified with NKK Switches for applications requiring certified compliance.

Q: What packaging options are available?

A: The M2012SS4W01-BB is supplied in standard packaging. The MN12SS4W01-BB is available in bulk packaging. Confirm packaging requirements with your supplier for procurement.

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