30 mm Key Selector Switches S3KF Series

Product Overview

The S3KF series round, flush type Ø30 mm key selector switches are expertly designed for environments that demand reliable and secure control. These switches are ideal for various industrial applications, providing smooth operation, high electrical conductivity, and long-lasting durability. Their versatile configurations make them a perfect fit for machinery that requires precise actuation and safety.

Safety Considerations

To ensure the safe and proper operation of the S3KF series key selector switches, it is essential to observe the following safety measures:

1. Fail-safe Device Installation: A fail-safe device must be installed when the switches are used in critical machinery, such as nuclear power control, medical equipment, or transportation systems. This precaution helps prevent serious injury or substantial economic loss.
2. Environmental Restrictions: Avoid using the switches in areas with flammable, explosive, or corrosive gases, high humidity, direct sunlight, or where they might be exposed to significant vibration or impact. Such environments can lead to fire or explosion.
3. Proper Installation: Always install the switches on a device panel to prevent the risk of fire or electric shock.
4. Handling Precautions: Do not connect, repair, or inspect the switches while they are connected to a power source to avoid fire or electric shock.
5. Modification Prohibition: Do not disassemble or modify the switches, as this could result in fire or electric shock.

Additional cautionary points include ensuring that the switches are not used outdoors, operating within the rated specifications, and avoiding excessive force during wiring to prevent damage.

Product Features

The S3KF series key selector switches offer several key features:

• Smooth Operation: Designed for reliable performance, ensuring consistent control in all applications.
• High Electrical Conductivity: Built to maintain efficient electrical connectivity, these switches provide reliable performance even in demanding conditions.
• Long-lasting Durability: Engineered for extended use, these switches are highly durable, making them a dependable choice for industrial environments.

Sold Separately

The following accessories are available to enhance the functionality of the S3KF series key selector switches:

• Contact Blocks (SA□-C□□): Available in multiple configurations to meet different operational needs.
• Locking Handle (SA□-LH): Provides added security to prevent unauthorized operation.
• Switch Washer (SA-SW□): Ensures secure and stable mounting of the switches.

Assembly and Disassembly

The assembly and disassembly of the S3KF series key selector switches follow a specific order to ensure correct installation and maintenance. Detailed instructions are provided to facilitate the process, ensuring that each component is correctly assembled or disassembled as needed.

Key Removal Positions

The key removal positions are specifically designed to match the operation type:

• 2-position Spring Return: The key is removable in one designated position.
• 2-position Maintained: The key can be removed in both operational positions.
• 3-position Spring Return/Maintained: The key can be removed in multiple positions based on the selected configuration.

Dimensions

The S3KF series key selector switches are designed with precise dimensions to ensure they fit securely into panels with a thickness of up to 6 mm. Detailed measurements are provided for both singular and modular type blocks, ensuring compatibility with various installation requirements.

Ordering Information

The S3KF series offers a variety of configurations to meet specific requirements:

• Operation Types:
  • 2-position (spring return or maintained)
  • 3-position (two-way spring return, right spring return, left spring return, or maintained)
• Key Removal Positions: Various configurations are available depending on the operational needs.
• Contact Blocks: Options include:
  • 1 A contact (2-position)
  • 1 B contact (2-position)
  • 2 A contacts
  • 2 B contacts
  • 1 A contact and 1 B contact

These options allow for tailored solutions to fit a wide range of control requirements.

Buy Now