Product Overview

The document describes various micro switch models, primarily focusing on the HK-25 series and FSK-14 series waterproof switches. These switches operate at 24VDC and have different current ratings and dimensions.

Key Specifications

• Voltage and Current Ratings: Typical ratings include 5(2)A at 125V/250V AC and 5A at 30V DC.
• Dimensions: Examples include 18.5 x 8.2 x 16 mm for some models and 33 x 15.9 x 10.3 mm for others.
• Contact Material: Silver contacts are used for long lifespan and high reliability.
• Protection: IP67 rating for waterproof models.

Mechanical and Functional Features

• Stable contact design to prevent false operations.
• Strong resistance to earthquakes and accidental operations.
• Press rod shape can be customized.
• Automatic reset capability.
• Reed-type driving mechanism with various press rod options.
• Quick-connect terminals that can be fully enclosed with wire.

Circuit and Electrical Characteristics

• Switch resistance states: free state resistance (R2) and pressed state resistance (R1 + R2).
• Some models include built-in resistors and normally closed (NC) functions.

Dimensions and Mechanical Drawings

The document includes detailed mechanical dimensions with tolerances for multiple switch models, including hole diameters, lengths, and widths, ensuring precise fitting in applications.

Model Variants

• HK-25 Series Micro Switch
• FSK-14 Series Waterproof Switch
• Other models: HK-04G, HK-10, FSK-18, FSK-20, GNY51, GNY53, DK4

Recommendations and Usage Notes

• Use silver contacts for enhanced durability and reliability.
• Customize press rods to suit specific application needs.
• Ensure proper wiring with quick-connect terminals for secure electrical connections.
• Consider IP67 rated models for environments requiring waterproof protection.