M2028SS1W03-BA Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The M2028SS1W03-BA is a panel-mount toggle switch manufactured by NKK Switches with DPDT (Double Pole Double Throw) circuit configuration. This switch is rated for 6A at 125V AC and 3A at 30V DC, featuring a momentary-off-momentary (Mom-Off-Mom) switch function with a standard round actuator and black cap. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

M2028SS1W03-BA

NKK SwitchesIn Stock: 769M2028SS1W03-BA Datasheet

Current PartRFQ

MN28SS1W03-BA

NKK SwitchesIn Stock: 932MN28SS1W03-BA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2028SS1W03-BA is determined by the following critical parameters:

• Circuit configuration (DPDT)
• Switch function (Mom-Off-Mom)
• Current and voltage ratings (6A/125V AC minimum; 3A/30V DC minimum)
• Mounting type (Panel Mount)
• Actuator specifications (Standard Round with Cap, 14.60mm length)
• Termination style (PC Pin)
• Panel cutout dimensions (Circular - 6.50mm Dia)
• Bushing thread specification (1/4-40)
• Operating temperature range (-30°C to 85°C)

The substitute part MN28SS1W03-BA from NKK Switches meets these core electrical and mechanical parameters, enabling direct functional replacement in applications currently using the M2028SS1W03-BA.

Parameter Comparison

Engineering Selection Recommendations

The MN28SS1W03-BA is the designated substitute for the obsolete M2028SS1W03-BA. Both parts are manufactured by NKK Switches and share identical electrical ratings, mechanical dimensions, and functional specifications. The primary distinction is product status: the M2028SS1W03-BA is obsolete, while the MN28SS1W03-BA maintains active production status, ensuring availability for new designs and replacement applications.

Both parts comply with export control classification EAR99 and share the same HTSUS commodity code. The M2028SS1W03-BA carries ROHS3 compliance certification. Selection of the MN28SS1W03-BA for new applications or system replacements is supported by its active product status and equivalent electrical and mechanical performance.

Frequently Asked Questions (FAQ)

Q: Can the MN28SS1W03-BA directly replace the M2028SS1W03-BA in existing applications?

A: Yes. Both switches share identical circuit configuration (DPDT), switch function (Mom-Off-Mom), current ratings (6A AC / 3A DC), voltage ratings (125V AC / 30V DC), mounting type (Panel Mount), actuator specifications, termination style (PC Pin), and panel cutout dimensions (6.50mm circular). Direct mechanical and electrical substitution is supported.

Q: What is the difference between these two part numbers?

A: The M2028SS1W03-BA is classified as obsolete, while the MN28SS1W03-BA maintains active production status. All electrical and mechanical specifications are equivalent.

Q: Are there packaging differences between these parts?

A: The M2028SS1W03-BA is supplied with unspecified packaging, while the MN28SS1W03-BA is supplied in bulk packaging. Packaging format does not affect electrical or mechanical compatibility.

Q: Do both parts meet the same compliance standards?

A: Both parts are classified under ECCN EAR99 and HTSUS 8536.50.9065. The M2028SS1W03-BA is certified ROHS3 compliant. Compliance documentation for the MN28SS1W03-BA should be verified with the manufacturer for specific application requirements.

Q: What operating temperature range is supported?

A: Both switches operate across the temperature range of -30°C to 85°C, supporting equivalent thermal performance in industrial and commercial applications.