Description
Product Overview
The S2KR series of round, extended type Ø22/25 mm key selector switches are expertly designed to provide reliable, safe, and secure control for a wide range of industrial applications. These switches feature a robust design with smooth operation, making them an ideal choice for systems where precision and durability are critical.
Key Features
- Smooth Operation: The S2KR series switches ensure effortless control with a design focused on smooth, precise actuation.
- High Electrical Conductivity: Built to maintain excellent electrical conductivity, these switches offer reliable performance over time.
- Long-lasting Durability: Engineered for longevity, the S2KR series is constructed to withstand frequent use without compromising on performance.
Safety Considerations
To ensure safe and proper operation, adhere to the following safety guidelines:
- Critical Applications: Always install a fail-safe device when integrating the S2KR series with machinery that could lead to serious injury or significant economic loss.
- Hazardous Environments: Avoid using the switches in environments exposed to flammable or explosive gases, high humidity, direct sunlight, or other hazardous conditions.
- Proper Installation: Ensure the unit is securely installed on a device panel to prevent fire or electric shock.
- Handling Precautions: Disconnect the unit from the power source before any repair or inspection to avoid electric shock. Do not disassemble or modify the unit.
Cautionary Advice:
- The switches are not designed for outdoor use.
- Operate within the specified ratings to prevent product damage or fire.
- Handle wiring with care and clean the unit using a dry cloth only.
Sold Separately
Enhance the functionality of your S2KR series switches with the following accessories:
- Contact Blocks (SA□-C□□): Compatible blocks to customize the switch's operation.
- Switch Enclosures (SA-□B□): Protect the switches from external elements with robust enclosures.
- Locking Handle (SA□-LH): Secure the switch in the desired position.
- Switch Washer (SA-SW□): Ensure a tight, secure installation on panels.
Assembly and Disassembly Instructions
Assembling and disassembling the S2KR series switches is straightforward:
- Assembly: Follow the sequence ①→②→③→④ to assemble the unit.
- Disassembly: Reverse the process with the steps ⓐ→ⓑ→ⓒ→ⓓ.
Key Removal Positions
The S2KR series offers versatile configurations to meet various application needs:
- 2-Position Switches: Available in both spring return and maintained versions.
- 3-Position Switches: Choose from two-way spring return, right spring return, left spring return, or maintained versions.
These options provide flexibility in key removal positions, ensuring that your specific operational requirements are met.
Ordering Information
When ordering the S2KR series switches, you can customize your selection based on the control unit and block combination. Control units and blocks are sold separately, and different contact arrangements (such as A contacts, B contacts, or a combination) are available to suit your application.
Documents
Can't find the information you need? Our datasheets have all the details. Access them here:
Additional Information
Actuation Angle: |
2-position (spring return: 60º, maintained: 90º), 3-position (spring return: 60º, maintained: 90º) |
Actuation Force: |
0.5 kgf (4.9 N) per contact |
Shock Resistance: |
Standard - 300 m/s²; Malfunction - 100 m/s² |
Vibration Resistance: |
Standard - 1.5 mm amplitude at 10-55 Hz for 2 hours; Malfunction - 1.5 mm amplitude at 10-55 Hz for 10 minutes |
Mechanical Life Cycle: |
≥ 100,000 operations |
Ambient Conditions: |
Temperature: -15 to 55°C; Humidity: 35 to 85% RH |
Protection Structure: |
IP52 (control unit) |
Weight: |
Control unit: Approx. 37 g; Housing: Approx. 7 g |