16 mm Key Selector Switches S16KR Series

Product Overview

The S16KR series key selector switches are perfectly designed for compact installations, making them ideal for space-constrained equipment and panels. With a small 16 mm installation hole size and a minimal rear protrusion of only 29.5 mm, these switches can be easily integrated into various control systems. The independent detachable contacts enhance flexibility, allowing easy maintenance and customization. The S16KR series offers a variety of head types, including round, square, and rectangular, and supports 7 different key removal positions. Depending on the model, users can choose between 2-position (spring return/maintained) or 3-position (two-way spring return/right spring return/left spring return/maintained) control options.

Features

• Compact Design: Optimized for space-saving with a 16 mm installation diameter.
• Minimal Rear Length: The switch's rear protrusion is only 29.5 mm, making it suitable for limited-space installations.
• Variety of Head Types: Available in round, square, and rectangular forms to suit different design requirements.
• Flexible Key Removal Positions: Up to 7 key removal positions depending on the model, offering versatile operation.
• Multiple Control Options: Models support 2-position (spring return/maintained) or 3-position (two-way spring return/right spring return/left spring return/maintained) control functions.
• Detachable Contacts: The independent and detachable contacts allow for easy maintenance and adaptation.

Safety Considerations

• Critical Applications: Always install a fail-safe device when using the switches in critical applications such as nuclear power control, medical equipment, or safety equipment to prevent serious injury or substantial economic loss.
• Environmental Restrictions: Avoid installing the switches in environments with flammable, explosive, or corrosive gases, high humidity, direct sunlight, or areas prone to vibration and impact to prevent fire or explosion.
• Installation and Maintenance: Ensure the switches are installed on a device panel and avoid any connection or inspection while the unit is powered to prevent electric shock.
• Product Handling: Do not disassemble or modify the unit, as this may lead to fire or electric shock. Additionally, keep the switches away from dust and metal chips to prevent product damage.

Assembly and Disassembly

• Assembly: Follow the sequence ①→②→③→④ for correct assembly.
• Disassembly: Reverse the process with steps ⓐ→ⓑ→ⓒ→ⓓ.

These straightforward instructions ensure that the product is correctly installed and maintained, guaranteeing optimal performance.

Key Removal Positions

• 2-Position Spring Return: Key removable when turned to the left.
• 2-Position Maintained: Key removable at left, left + right, or right positions.
• 3-Position Two-Way Spring Return: Key removable at the center.
• 3-Position Maintained: Key removable at multiple positions including left, center, and right combinations.
• 3-Position Right Spring Return: Key removable at left, center, or left + center positions.
• 3-Position Left Spring Return: Key removable at right, center, or center + right positions.

These various configurations provide flexibility in control and operation, suitable for diverse applications.

Ordering Information

When ordering the S16KR series, the model number is determined by combining control units with the appropriate blocks. This allows for customizable configurations tailored to specific requirements.

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