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NKK Switches M2042B2B1W03 Miniature Toggle Switch

This miniature toggle switch offers versatile switching options suitable for electronic applications. It features a compact design with high durability, reliable contact resistance, and a wide operating temperature range. The switch supports various pole configurations and circuit types, including SPST, DPST, DPDT, and 4P switching. Constructed with high-quality materials such as brass with chrome plating and polycarbonate cases, it provides excellent insulation and mechanical stability. It complies with UL and CSA standards, ensuring safety and performance in demanding industrial environments. Perfect for control panels, automation, and instrumentation systems.

Authorized Distributors
Source:DigiKey
Part No:M2042B2B1W03
Stock:20
Inv Date:06-17-2026
Price: Unit price: $68.34
Buy/RFQ:
Source:DigiKey
Part No:M2042B2B1W03
Stock:30
Inv Date:06-17-2026
Price: Unit price: $9.41
Buy/RFQ:
Part No:M2042B2B1W03
Stock:0
Inv Date:06-18-2026
Price: N/A
Buy/RFQ:
Part No:M2042B2B1W03
Stock:0
Inv Date:06-17-2026
Price: Unit price: $15.68
Buy/RFQ:
Part No:M2042B2B1W03
Stock:20
Inv Date:06-17-2026
Price: Unit price: $16.98
Buy/RFQ:

NKK Switches M2042B2B1W03 Miniature Toggle Switch Specifications:

  • Poles & Circuits: SPST, DPST, DPDT, 4P
  • Contact Resistance: 10 milliohms maximum for silver; 20 milliohms maximum for gold
  • Insulation Resistance: 1,000 megohms minimum @ 500V DC
  • Dielectric Strength: 1,000V AC minimum between contacts for 1 minute; 1,500V AC minimum between contacts and case
  • Mechanical Life: 100,000 operations minimum
  • Electrical Life: 50,000 operations minimum for gold contacts
  • Temperature Range: -30°C to +85°C
  • Vibration Resistance: 10-55Hz with peak-to-peak amplitude of 1.5mm
  • Shock Resistance: 50G acceleration
  • Seal: Splashproof options with IP67 compliance
  • Mounting Torque: 3.0Nm (large bushing), 1.5Nm (all other bushings)
  • Operating Temp Range: -30°C to +85°C
  • Material: Brass with chrome or nickel plating, polycarbonate case, polyvinyl chloride or polyethylene caps
  • Standards & Certifications: UL, CSA recognized with markings
  • Rated Current/Voltage: 6A @ 125V AC, 3A @ 250V AC, 0.4VA @ 28V DC

Buy the Buy NKK Switches Miniature Toggle Switch Part Number M2042B2B1W03 Online

Order the NKK Series M miniature toggle switch online today for high-quality performance, reliable contact ratings, and robust construction suitable for various industrial and electronic control systems. These switches offer versatile circuit configurations, IP67 splashproof options, and meet UL and CSA standards. Designed with durable materials like brass and polycarbonate, they ensure long-lasting operation even in demanding environments. Enhance your control setup with easy online purchasing—trust NKK's proven reliability for your automation and instrumentation needs.

Get NKK Series M toggle switch today—built for precision, durability, and reliable switching performance in industrial control panels.

Frequently Asked Questions

Where can I buy NKK Switches M2042B2B1W03?

You can click on the BUY or RFQ button to purchase M2042B2B1W03 from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part M2042B2B1W03?

You can download the M2042B2B1W03 datasheet or visit the NKK Switches website for support.

Who is the manufacturer of M2042B2B1W03?

NKK Switches

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