Overview of Illuminated Pushbutton Switches

This document provides detailed technical information on various types of illuminated pushbutton switches, including their features, circuit structures, mounting options, and product variations.

1. Features and Specifications

• Switch Types: SPST, SPDT, 2PDT, 2PST, and others.
• Operating Voltages and Currents: Typical ratings include DC5V 5mA, DC20V 1mA, DC12V 10mA, AC125V 3A, AC25V 3A, DC30V 3A, and others depending on model.
• Contact Materials: Metal and conductive rubber contacts are used to ensure reliable operation.
• Illumination: Single and dual LED illumination options are available, including single-color and two-color LEDs, with high luminance for bright and uniform lighting.
• Switch Operation: Momentary, push-to-rock, lock and non-lock types are offered to suit different application needs.
• Durability: Some models feature non-contact designs with long life expectancy up to 10 million cycles.
• Mounting: Snap-in panel mounting and connector wiring options are provided for ease of installation.
• Compliance: Products comply with RoHS directives ensuring environmental safety.

2. Circuit Structure and Electrical Ratings

The switches incorporate various circuit configurations such as SPST and SPDT, with maximum ratings typically around 1VA for some models and up to 3A for others. Gold contacts are used in some variants for AC/DC 48V 50mA applications to ensure brightness and uniform illumination.

3. Product Variations and Customization

• Button Sizes: Multiple button sizes including 7.5mm, 10mm, and 12.6mm diameter options.
• Color Options: Wide range of LED and button colors including green, blue, and brown.
• Illumination Types: Full surface illumination and pilot light styles are available.
• Special Orders: Some products are made to order or semi-standard, indicated by specific symbols (★ for made to order, ☆ for semi-standard, ▲ for inquiry products).

4. Mechanical and Mounting Details

Mounting frames and button center positions are precisely defined with measurements such as 5.08mm pitch and specific hole diameters (e.g., 5-Φ1, 7-Φ1). Positioning bosses and centers for switches and buttons are indicated to assist in panel design and assembly.

5. Notes and Recommendations

• Color representation in catalog photos may differ from actual product colors due to printing variations.
• Selection of switch type and illumination should consider application voltage, current, and desired mechanical operation.
• Consult product codes and specifications carefully for compatibility with intended use, especially for made-to-order and inquiry products.

Summary

This technical document serves as a comprehensive reference for selecting illuminated pushbutton switches with various electrical, mechanical, and illumination options. It emphasizes product versatility, durability, and compliance with environmental standards, providing essential data for design engineers and procurement specialists.