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NKK Switches S309T toggle switch

This standard size toggle switch offers low to high capacity ratings, designed for various electrical applications. It features durable materials including brass, steel, copper, and silver plating for reliable performance. The switch supports resistive and inductive loads with a maximum contact resistance of 10 milliohms, insulation resistance of 1,000 megohms at 500V DC, and dielectric strength of 2,000V AC for one minute. It is rated for a mechanical life of 50,000 operations and an electrical life of 15,000 operations. Operating temperature ranges from -10°C to +70°C, with easy mounting and soldering specifications documented for industrial use.

Authorized Distributors
Source:DigiKey
Part No:S309T
Stock:56
Inv Date:06-17-2026
Price: Unit price: $14.68
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Part No:S309T
Stock:56
Inv Date:06-18-2026
Price: Unit price: $13.75
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Part No:S309T
Stock:6
Inv Date:06-17-2026
Price: Unit price: $6.77
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Part No:S309T
Stock:130
Inv Date:06-17-2026
Price: Unit price: $14.15
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Part No:S309T
Stock:0
Inv Date:06-17-2026
Price: Unit price: $10.76
Buy/RFQ:

NKK Switches S309T 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
  • Mounting Torque: 2.94Nm (26 lbsin)
  • Maximum Panel Thickness: Shown in switch dimension drawings
  • Soldering Time & Temperature: Manual Soldering, see Profile A in Supplement section
  • Materials: Brass with chrome plating (toggle), Brass with chrome plating (bushing), Melamine phenol (case), Steel with zinc plating (case cover), Copper with silver plating (movable contact), Silver alloy capped on copper (movable & stationary contacts), Brass with tin plating (terminals)
  • Standards & Certifications: UL, CSA recognized when ordered with marking

Buy the NKK S309T – Reliable Toggle Switch for Industrial Applications

Order the NKK S309T toggle switch online today and benefit from its durable construction, high electrical capacity, and long operational life. Designed for industrial applications, it ensures reliable switching performance under demanding conditions. Its robust materials, including brass, steel, and silver plating, provide excellent resistance to wear and corrosion. Easy to mount and solder, this switch supports resistive and inductive loads with rated capacities suitable for a wide range of electrical and automation systems. Get your component now and enhance your project’s reliability and efficiency.

Buy NKK S309T toggle switch now and experience unmatched reliability and performance for your industrial electrical projects.

Frequently Asked Questions

Where can I buy NKK Switches S309T?

You can click on the BUY or RFQ button to purchase S309T from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part S309T?

You can download the S309T datasheet or visit the NKK Switches website for support.

Who is the manufacturer of S309T?

NKK Switches

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