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NKK Switches M2028SS1A03 Miniature Toggle Switch

This miniature toggle switch features versatile contact ratings and dual ratings for power and logic circuits, with robust construction including stainless steel case and brass toggle. It is designed for high durability, with a mechanical life of over 100,000 operations, and features epoxy sealed terminals for contamination resistance. Operating temperature ranges from -30°C to +85°C, and it meets UL and CSA certifications for safety and reliability. Its compact size and insulating barriers make it ideal for control panels, instrumentation, and electronic equipment requiring precise switching performance.

Authorized Distributors
Source:DigiKey
Part No:M2028SS1A03
Stock:26
Inv Date:06-17-2026
Price: Unit price: $65.03
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Source:DigiKey
Part No:M2028SS1A03
Stock:2
Inv Date:06-17-2026
Price: Unit price: $16
Buy/RFQ:
Part No:M2028SS1A03
Stock:20
Inv Date:06-18-2026
Price: Unit price: $15.17
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Part No:M2028SS1A03
Stock:0
Inv Date:06-17-2026
Price: Unit price: $15.84
Buy/RFQ:
Part No:M2028SS1A03
Stock:26
Inv Date:06-17-2026
Price: Unit price: $16.17
Buy/RFQ:

NKK Switches M2028SS1A03 Miniature Toggle Switch Specifications:

  • 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 between contacts for 1 minute; 1,500V AC between contacts and case for 1 minute
  • Electrical Capacity (Resistive Load): 6A @ 125V AC, 3A @ 250V AC, 0.4VA max @ 28V DC
  • Mechanical Life: over 100,000 operations
  • Operating Temperature Range: -30°C to +85°C
  • Vibration: 10 ~ 55Hz peak-to-peak amplitude 1.5mm over 1 minute
  • Shock: 50G acceleration in 6 directions for 2 hours
  • Material: Brass with chrome plating for frame, stainless steel support bracket, polycarbonate for case
  • Environmental Sealing: splashproof options with IP67 rating
  • Mounting Torque: 3.0Nm for large bushings, 1.5Nm and 0.7Nm for smaller bushings
  • Standards & Certifications: UL, CSA recognized and certified based on model, with optional markings
  • Temperature Rating: -30°C to +85°C

Buy the NKK Series M Miniature Toggle Switch: M2028SS1A03

Enhance your electronic projects with the high-performance NKK Series M miniature toggle switch. Featuring dual contact ratings, epoxy sealed terminals, and IP67 splashproof options, this switch is designed for durability and precision. Its compact size makes it ideal for control panels and instrumentation, while UL and CSA certifications ensure safety and compliance. With a mechanical life exceeding 100,000 cycles, this switch guarantees long-lasting operation in demanding environments. Order online today and achieve reliable switching performance for your electronic or control assembly needs.

Buy NKK Series M M2028SS1A03 miniature toggle switch now and experience unmatched reliability and performance in compact control systems.

Frequently Asked Questions

Where can I buy NKK Switches M2028SS1A03?

You can click on the BUY or RFQ button to purchase M2028SS1A03 from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part M2028SS1A03?

You can download the M2028SS1A03 datasheet or visit the NKK Switches website for support.

Who is the manufacturer of M2028SS1A03?

NKK Switches

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