R18-21B RED Miniature Momentary Push Button Switch SPST 3A 125VAC

This SPST OFF(ON) type switch momentarily closes the circuit when pressed and returns to the off position when released-making it ideal for applications like reset buttons, test circuits, or user inputs requiring tactile feedback.

The switch is rated for 3A at 125VAC, ensuring reliable performance in low- to moderate-current applications. Built from copper alloy contacts with silver or gold plating, it offers excellent conductivity, low contact resistance, and long operating life. Designed for both reliability and ease of installation, the R18-21B RED ensures dependable switching over 30,000 electrical and 50,000 mechanical cycles.

Key Specifications:

Model: R18-21B RED

Type: Miniature Push Button Switch

Operation Mode: Momentary (Push-to-Make)

Switch Circuit: SPST OFF(ON)

Actuator Style: Round

Button Color: Red

Transition Style: Non-Latching

Termination Type: Solder-Lug

Electrical Rating: 3A @ 125VAC

Contact Resistance: 30m

Insulation Resistance: 100M @ DC 500V

Dielectric Strength: 1000V AC for 1 minute

Electrical Life: 30,000 cycles

Mechanical Life: 50,000 cycles

Terminal Material: Copper Alloy (Silver or Gold Plated)

What's in the box
1 x R18-21B RED Miniature Momentary Push Button Switch SPST 3A 125VAC