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NKK Switches S428 Toggle Switch

This standard size toggle switch offers reliable operation for both low and high capacity electronic applications. It is designed with durable materials, including brass with chrome plating and melamine phenol, ensuring long-term performance. With contact resistance of less than 10 milliohms and insulation resistance exceeding 1,000 megohms, it provides excellent electrical performance. The switch operates efficiently within a temperature range of -10°C to +70°C, featuring easy mounting, and is suitable for applications demanding durability and consistent switching operation across different load types.

Authorized Distributors
Source:DigiKey
Part No:S428
Stock:27
Inv Date:06-17-2026
Price: Unit price: $26.97
Buy/RFQ:
Part No:S428
Stock:1
Inv Date:06-18-2026
Price: Unit price: $26.87
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Part No:S428
Stock:0
Inv Date:06-17-2026
Price: Unit price: $545.07
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Part No:S428
Stock:0
Inv Date:06-17-2026
Price: Unit price: $29.48
Buy/RFQ:
Part No:S428
Stock:7
Inv Date:06-17-2026
Price: Unit price: $27.3
Buy/RFQ:

NKK Switches S428 Toggle Switch Specifications:

  • Contact Resistance: 10 milliohms maximum
  • Insulation Resistance: 1,000 megohms minimum @ 500V DC
  • Dielectric Strength: 2,000V AC minimum for 1 minute
  • Mechanical Life: 50,000 operations minimum
  • Electrical Life: 15,000 operations minimum
  • Operating Temperature Range: -10°C to +70°C (+14°F to +158°F)
  • Mounting Torque: 2.94Nm (26 lbsin) for double nut
  • Maximum Panel Thickness: Shown in switch dimension drawings
  • Soldering: Manual soldering; Profile A in supplement section
  • Materials: Toggle - Brass with chrome plating; Case - Melamine phenol; Terminals - Brass with tin plating
  • Finish: Chrome plating on toggle, zinc plating on case
  • Standards: UL recognized, CSA certified, recognized when ordered with marking

Buy the NKK S428 Reliable Toggle Switch for Industrial Applications

Secure your electronic projects with the NKK S428 toggle switch, a reliable and durable component suitable for low to high capacity switching. Perfect for industrial and electronic applications, it features high electrical resistance, robust construction, and easy installation. This switch withstands extensive operation cycles, maintains stellar performance within a wide temperature range, and complies with UL and CSA standards. Whether for automation, control panels, or consumer devices, purchase online now for fast delivery and dependable quality backed by certification and expert design.

Order your NKK S428 standard size toggle switch today and ensure long-lasting, dependable performance for your electronic projects.

Frequently Asked Questions

Where can I buy NKK Switches S428?

You can click on the BUY or RFQ button to purchase S428 from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part S428?

You can download the S428 datasheet or visit the NKK Switches website for support.

Who is the manufacturer of S428?

NKK Switches

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