The OMRON D4F-202-1D is an ultra-small, high-sensitivity safety limit switch with a direct opening mechanism, featuring IP67 protection and suitable for general and micro loads.
Product ModelD4F-202-1D
Product ID62646
Stock on Request
Last updated: 8/29/2026
Key Features
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1. High-Sensitivity Safety SwitchThe D4F-202-1D is designed with high sensitivity, ensuring reliable operation in various industrial settings.
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2. Direct Opening MechanismEquipped with a direct opening mechanism, this switch provides enhanced safety by separating contacts when welded, reducing the risk of electrical shock.
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3. IP67 ProtectionWith an IP67 rating, the D4F-202-1D offers robust protection against dust and water ingress, making it ideal for harsh environments.
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4. Versatile Mounting OptionsAvailable with a roller plunger actuator, this switch can be mounted in both horizontal and vertical directions, providing flexibility in installation.
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Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Conduit Size
Pre-wired
Max Actuation Frequency
30 operations/min
Max Actuation Speed (Operating Speed?)
1 mm/s to 0.5 m/s
Cable Length
1 m
Cable Entrance
Vertical
Contact
2NC (slow-action)
5. Compliance with Safety StandardsThe D4F-202-1D conforms to EN115-1, EN81-1, and EN81-2, ensuring compliance with stringent safety standards in the industrial automation sector.
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6. Reliable PerformanceDesigned for general and micro loads, this switch offers reliable performance across a wide range of operating conditions, from -30°C to 70°C.
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7. Durable ConstructionBuilt with a sintered stainless steel roller, the D4F-202-1D is durable and resistant to wear and tear, ensuring long-lasting operation.
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8. Easy InstallationWith a simple and compact design, the D4F-202-1D is easy to install and integrate into existing systems, minimizing downtime and setup costs.
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9. Certified StandardsCertified to UL, EN (TÜV), and CCC standards, this switch meets the highest standards of safety and reliability in industrial automation.
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10. Mechanical DurabilityCapable of withstanding up to 10 million operations, the D4F-202-1D is built to last, providing consistent performance over extended periods.
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11. Shock and Vibration ResistanceDesigned to withstand shocks of up to 1000 m/s² and vibrations between 10 to 55 Hz, this switch ensures reliable operation even in challenging environments.
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12. Low Contact ResistanceWith an initial contact resistance of 300 mΩ max., the D4F-202-1D ensures minimal electrical resistance, reducing energy loss and improving overall system efficiency.
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13. High Insulation ResistanceOffering insulation resistance of 100 MΩ min. between terminals, this switch provides excellent electrical isolation, enhancing safety and reducing the risk of electrical shock.
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14. Impulse Withstand VoltageCapable of withstanding impulse voltages of up to 4 kV between terminals and ground, the D4F-202-1D ensures reliable operation under transient voltage conditions.
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15. Compact DesignWith dimensions of 18x30x51.5mm, the D4F-202-1D is compact and space-efficient, making it ideal for applications where space is limited.
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16. Mounting Hole DimensionsFeaturing mounting holes with a pitch of 20mm, this switch is easy to mount and secure in place, ensuring stable operation.
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17. Operating FrequencyCapable of operating at frequencies of up to 30 operations per minute electrically and 120 operations per minute mechanically, the D4F-202-1D is suitable for high-frequency applications.
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18. Ambient Temperature RangeOperating within a temperature range of -30°C to 70°C, this switch is designed to perform reliably in a wide range of ambient temperatures.
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19. Ambient HumidityOperating in ambient humidity conditions of up to 95% RH, the D4F-202-1D ensures reliable performance in humid environments.
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20. Permissible Operating SpeedCapable of operating at speeds ranging from 1 mm/s to 0.5 m/s, this switch is designed to handle a variety of mechanical loads and speeds.
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21. Pre-Travel, Over-Travel, and Operating PositionWith pre-travel of up to 1 mm (NC) and 1.3 mm (NC), over-travel of 3.2 mm, and an operating position of 29.4±1 mm, the D4F-202-1D ensures precise control and reliable operation.
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22. Direct Opening Force and TravelFeaturing a direct opening force of 20 N min. and a direct opening travel of 1.8 mm min., this switch provides reliable separation of contacts when welded, enhancing safety.
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23. Classification of Protection Against Electric ShockClassified as Class I with an earth wire, the D4F-202-1D ensures protection against electric shock, making it safe for use in a variety of industrial applications.
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24. Cable SpecificationsAvailable with a UL Style 2464 cable, 1 m in length and 8.3 mm in diameter, this switch is easy to connect and integrate into existing systems.
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25. Weight and DimensionsWeighing approximately 190 g (with 1 m cable), the D4F-202-1D is compact and lightweight, making it easy to handle and install.
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26. Certification and ComplianceCertified to UL, EN (TÜV), and CCC standards, this switch meets the highest standards of safety and reliability in industrial automation, ensuring compliance with stringent regulations.
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27. Consultation and OrderingFor detailed specifications and ordering information, consult with your OMRON representative to ensure you get the right model for your specific needs.
