Overview of Switch Series

The document details various types of switches produced by Yueqing Tongda Wire Electric Factory, including magnetic switches, micro switches, rocker switches, and button switches. The main series covered are HK-14E, HK-14C, HK-14L, HK-23, GQ115-1N, FSK-24, and GNY52.

Specifications and Features

• HK-14E Series Magnetic Switch: Utilizes a spring structure combined with a magnet replacing the button. It is designed for magnetic drive applications requiring indirect actuation without surface contact, suitable for machines like noodle makers, juicers, and meat grinders. Rated at 5A 250VAC with a temperature rating of T125. Dimensions: 25mm x 16mm x 10mm.
• HK-14C and HK-14L Series: Micro switches with similar applications and terminal sizes as HK-14E, but specific electrical ratings and dimensions vary.
• HK-23 Micro Switch: Rated at 10A 250VAC with a temperature rating of T65. Dimensions: 27.8mm x 25.7mm x 10.2mm.
• Other Switch Types: GQ115-1N rocker switch, FSK-24 micro switch, and GNY52 button switch are also mentioned, with terminal sizes and mechanical dimensions provided.

Mechanical and Electrical Characteristics

• Switches generally have a spring structure ensuring long lifespan and reliable operation.
• Riveted seat and cover design provide secure mechanical connection.
• Push rods are available in various specifications to suit different applications.
• Typical electrical ratings include 10A at 125V/250V AC with endurance up to 10E4 cycles and temperature ratings ranging from T65 to T125 depending on the model.
• The switches are normally closed in their free state, enabling fail-safe operation in many applications.

Dimensions and Mounting Details

Detailed mechanical dimensions are provided for each switch type, including terminal sizes, mounting hole diameters, and overall dimensions with tolerances. For example, HK-14E dimensions are approximately 27.7mm x 15.8mm x 10mm, with mounting holes of diameter around 3.1mm. These precise measurements facilitate integration into various machine designs.

Applications and Recommendations

The magnetic drive switches (HK-14E series) are recommended for machines requiring indirect actuation without direct surface contact, enhancing durability and hygiene, especially in food processing equipment such as noodle makers, juicers, and meat grinders.

Manufacturer Information

All switches are manufactured by Yueqing Tongda Wire Electric Factory, indicating consistent quality and production standards.