M2018B2B3W01-VB Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2018B2B3W01-VB is a panel-mount toggle switch manufactured by NKK Switches with SPDT (Single Pole Double Throw) circuit configuration. This component is rated for 6A at 125V AC and 3A at 30V DC, featuring a momentary-off-momentary (Mom-Off-Mom) switch function with IP67 ingress protection. The part is currently listed as obsolete, making identification of equivalent and substitute components essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

M2018B2B3W01-VB

NKK SwitchesIn Stock: 1087M2018B2B3W01-VB Datasheet

Current PartRFQ

MN18B2B3W01-VB

NKK SwitchesIn Stock: 1082MN18B2B3W01-VB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2018B2B3W01-VB is determined by strict equivalence across the following critical parameters:

• Circuit Configuration: SPDT topology must be maintained
• Switch Function: Mom-Off-Mom operation required
• Electrical Ratings: Minimum 6A at 125V AC and 3A at 30V DC
• Mechanical Interface: Panel mount with M12 x 1 bushing thread and 12.50mm circular cutout
• Actuator Specifications: Standard round actuator with 18.50mm length
• Termination: Solder lug connection
• Environmental Protection: IP67 rating
• Regulatory Compliance: RoHS3 and REACH status alignment

The identified substitute MN18B2B3W01-VB maintains functional and electrical equivalence while differing in product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The MN18B2B3W01-VB is identified as the manufacturer-recommended substitute for the obsolete M2018B2B3W01-VB. Selection of this substitute is supported by:

• Active Product Status: The substitute maintains current manufacturing and support status, ensuring long-term availability and supply chain continuity
• Regulatory Alignment: Both components share identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, confirming trade compliance equivalence
• Manufacturer Consistency: Both parts originate from NKK Switches, ensuring design continuity and quality standards
• Part Number Correlation: The substitute designation (MN18B2B3W01-VB) reflects a direct evolutionary relationship to the main part number, indicating functional preservation

For applications requiring the M2018B2B3W01-VB, the MN18B2B3W01-VB provides equivalent electrical and mechanical performance with the advantage of active product status and current manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can the MN18B2B3W01-VB be used as a direct replacement for M2018B2B3W01-VB in existing designs?

A: Yes. Both components are manufactured by NKK Switches and share the same SPDT circuit configuration, Mom-Off-Mom switch function, and panel-mount mechanical interface. The substitute maintains electrical ratings and termination compatibility required for direct substitution.

Q: What is the primary advantage of using the MN18B2B3W01-VB over the obsolete M2018B2B3W01-VB?

A: The MN18B2B3W01-VB maintains active product status with current manufacturing support. The M2018B2B3W01-VB is obsolete, presenting supply chain risk and limited availability for future procurement.

Q: Are there packaging differences between these two parts?

A: Both components are supplied in bulk packaging. Packaging configuration does not affect electrical or mechanical compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Both components share identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, confirming equivalent regulatory and trade compliance status.

Q: What parameters must remain constant when selecting a substitute for this toggle switch?

A: Critical parameters include SPDT circuit configuration, Mom-Off-Mom switch function, 6A at 125V AC and 3A at 30V DC electrical ratings, M12 x 1 panel-mount interface, 18.50mm actuator length, solder lug termination, and IP67 ingress protection rating.