myMectronic
myMectronic

A Premier B2B Part Search

NKK Switches MB2181SS1W01CA Miniature Pushbutton Switch

The Series MB2000 Bushing Mount Miniature Pushbuttons feature high durability with a mechanical life of 100,000 operations and an electrical life of 50,000 operations. They incorporate an over-center actuator mechanism to reduce sparking and increase lifespan. Designed with high insulating barriers, epoxy sealed terminals for protection, and splashproof options with o-rings for enhanced liquid resistance, these switches suit a wide range of industrial applications requiring reliable, compact switching solutions with dual ratings for power and logic circuits. They meet UL and CSA standards, ensuring safety and certification compliance.

Authorized Distributors
Source:DigiKey
Part No:MB2181SS1W01-CA
Stock:83
Inv Date:06-17-2026
Price: Unit price: $85.37
Buy/RFQ:
Part No:MB2181SS1W01-CA
Stock:0
Inv Date:06-18-2026
Price: N/A
Buy/RFQ:
Part No:MB2181SS1W01-CA
Stock:0
Inv Date:06-17-2026
Price: Unit price: $21.03
Buy/RFQ:
Part No:MB2181SS1W01-CA
Stock:76
Inv Date:06-17-2026
Price: Unit price: $21.28
Buy/RFQ:

NKK Switches MB2181SS1W01CA Miniature Pushbutton Switch Specifications:

  • Electrical Capacity: 6A @ 125V AC & 3A @ 250V AC, 0.4VA max @ 28V DC
  • Mechanical Life: 100,000 operations
  • Electrical Life: 50,000 operations
  • Operating Temp Range: -30°C to +85°C
  • Contact Resistance: 10 milliohms max for silver, 20 milliohms for gold
  • Insulation Resistance: 1,000 megohms min @ 500V DC
  • Dielectric Strength: 1,000V AC for 1 min between contacts, 1,500V AC between contacts & case
  • Mounting Torque: 1.5Nm for double nut, 0.7Nm for single nut
  • Terminal Types: Solder lug, quick connect, wire wrap
  • Bushing Material: Brass with nickel plating, waterproof options with IP67 rating
  • Environmental: Humidity 90-95% for 96 hours, vibration 1.5mm, shock 50G
  • Standards & Certifications: UL (File No. E44145), CSA recognized

Buy the NKK Series MB2000 Miniature Pushbutton: MB2181

Discover the reliable performance of the miniature pushbutton switch from the Series MB2000. Perfect for industrial and automation applications, it features dual ratings for power and logic, high durability with 100,000 mechanical cycles, epoxy sealed terminals, and splashproof options for liquid resistance. Certified by UL and CSA standards, this compact switch provides excellent insulation and safety, ensuring dependable operation in demanding environments. Purchase online now to enhance your project with trusted, high-quality switching components.

Order your NKK Series MB2000 MB2181 miniature pushbutton today and ensure your automation solutions are built with dependable, high-performance switches.

Frequently Asked Questions

Where can I buy NKK Switches MB2181SS1W01CA?

You can click on the BUY or RFQ button to purchase MB2181SS1W01CA from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part MB2181SS1W01CA?

You can download the MB2181SS1W01CA datasheet or visit the NKK Switches website for support.

Who is the manufacturer of MB2181SS1W01CA?

NKK Switches

NKK Switches Part List

Browse and search other NKK Switches parts, locate datasheets and stock

Sponsored by