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NKK Switches S301 Toggle Switch

The S301 is a standard-sized, panel-mount SPST toggle switch with no illumination, featuring an ON-None-OFF configuration and solder lug terminals. Made of durable materials such as chrome-plated brass for the toggle and bushing, with a PBT flatted lever, and a melamine phenol case cover, it offers high reliability. With a minimum of 50,000 mechanical cycles and 25,000 electrical cycles, it functions effectively between -10°C and 70°C, making it ideal for industrial control panels requiring robust, high-cycle switching performance.

Authorized Distributors
Source:Newark
Part No:S301
Stock:76
Inv Date:06-17-2026
Price: Unit price: $9.41
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Source:DigiKey
Part No:S301
Stock:604
Inv Date:06-17-2026
Price: Unit price: $8.7
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Part No:S301
Stock:457
Inv Date:06-18-2026
Price: Unit price: $7.99
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Part No:S301
Stock:88
Inv Date:06-17-2026
Price: Unit price: $9.68
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Part No:S301
Stock:17
Inv Date:06-17-2026
Price: Unit price: $6.6852
Buy/RFQ:
Part No:S301
Stock:51
Inv Date:06-17-2026
Price: Unit price: $6.6852
Buy/RFQ:
Part No:S301
Stock:112
Inv Date:06-17-2026
Price: Unit price: $7.7
Buy/RFQ:

NKK Switches S301 Toggle Switch Specifications:

  • Electrical Capacity: 25A resistive at 125V, 20A at 250V, 10A at 30V
  • 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: 25,000 operations minimum
  • Operating Temperature Range: -10°C to +70°C
  • Materials: Toggle - Brass with chrome plating; Bushing - Brass with chrome plating; Case - Melamine phenol
  • Case Cover: Steel with chromate plating over zinc plating
  • Movable Contact: Copper with silver plating
  • Stationary Contacts: Silver alloy capped on copper with silver plating
  • Terminals: Brass with tin plating
  • Mounting Torque: 2.94Nm (26 lbs-in)
  • Maximum Panel Thickness: Shown in product dimension diagrams
  • Soldering: Manual soldering per Profile A in the supplement section

Buy the NKK Series S SPST Toggle Switch: S301

Order the NKK Series S S301 toggle switch online to ensure reliable operation in industrial control applications. This panel-mount switch features solder lug terminals, a durable chrome-plated brass toggle, and a wide operating temperature range from -10°C to 70°C. Designed for up to 50,000 mechanical cycles and 25,000 electrical cycles, it offers high resistance and dielectric strength. Ideal for automation, machinery, and safety equipment, this rugged switch provides long-lasting performance with easy mounting compatibility. Perfect for professionals requiring dependable switching solutions.

Get NKK Series S S301 toggle switch today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy NKK Switches S301?

You can click on the BUY or RFQ button to purchase S301 from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part S301?

You can download the S301 datasheet or visit the NKK Switches website for support.

Who is the manufacturer of S301?

NKK Switches

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