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NKK Switches S305 Toggle Switch

Standard size toggle switch with low to high capacity rating, suitable for controlling electrical circuits with varying power requirements. This switch features durable materials such as brass with chrome plating, a phenolic resin case, and silver-plated contacts for reliable performance. Designed for easy installation, it operates within a temperature range of -10°C to +70°C. The toggle actuator offers precise control with an angle of throw typically around 24-32°. It is UL, CSA, and cUL recognized, ensuring compliance with safety standards for industrial and commercial applications.

Authorized Distributors
Source:DigiKey
Part No:S305
Stock:238
Inv Date:06-17-2026
Price: Unit price: $9.92
Buy/RFQ:
Part No:S305
Stock:335
Inv Date:06-18-2026
Price: Unit price: $9.89
Buy/RFQ:
Part No:S305
Stock:158
Inv Date:06-17-2026
Price: Unit price: $10.29
Buy/RFQ:
Part No:S305
Stock:329
Inv Date:06-17-2026
Price: Unit price: $9.25
Buy/RFQ:

NKK Switches S305 Toggle Switch Specifications:

  • Contact Resistance: 10 milliohms maximum
  • Insulation Resistance: 1,000 megohms minimum @ 500V DC
  • Dielectric Strength: 2,000V AC for 1 minute
  • Mechanical Life: Minimum 50,000 operations
  • Electrical Life: Minimum 15,000 operations
  • Operating Temperature Range: -10°C to +70°C
  • Mounting Torque: 2.94Nm (26 lbsin)
  • Maximum Panel Thickness: Based on switch model, typically 4.6mm
  • Soldering Time & Temperature: Manual soldering per Profile A in manufacturer's supplement
  • Materials: Toggle—Brass with chrome plating; Bushing—Brass with chrome plating; Case—Melamine phenol; Cover—Steel with zinc plating; Contacts—Silver alloy capped on copper
  • Standards & Certifications: UL Recognized, CSA Approved

Buy the NKK Series S Toggle Switch: S305

Enhance your electrical control systems with the reliable and durable toggle switch from NKK Series S. Designed for both low and high capacity applications, it features corrosion-resistant materials, precise actuation, and compliance with safety standards. Easy to install with user-friendly terminals, this switch ensures dependable operation in industrial environments. Whether for machinery, automation, or control panels, this versatile toggle switch offers excellent performance, longevity, and safety, making it an essential component for your electrical projects.

Get NKK Series S toggle switch today—built for precision and long-lasting durability in industrial control applications.

Frequently Asked Questions

Where can I buy NKK Switches S305?

You can click on the BUY or RFQ button to purchase S305 from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part S305?

You can download the S305 datasheet or visit the NKK Switches website for support.

Who is the manufacturer of S305?

NKK Switches

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