D4NL-4EFA-B

Name: D4NL-4EFA-B
Brand: OMRON
SKU: D4NL-4EFA-B

OMRON D4NL-4EFA-B: A reliable guard lock safety-door switch with slow-action contacts, 24 VDC solenoid release, and adjustable operation direction. Ideal for industrial applications requiring high safety standards.

Product ModelD4NL-4EFA-B

Product ID62501

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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Feature1. Reliable Interlock Mechanism The OMRON D4NL-4EFA-B features a robust guard lock safety-door switch design, ensuring reliable interlock operations in industrial settings. Its slow-action mechanism provides a secure and controlled switching action, minimizing the risk of accidental openings.
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Feature2. Versatile Operation This switch offers adjustable operation direction, allowing for flexible installation and customization to meet specific application requirements. Whether you need horizontal, vertical, or adjustable mounting, the D4NL-4EFA-B can be easily integrated into your system.
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Feature3. High Safety Standards Designed with safety in mind, the D4NL-4EFA-B meets high safety standards with its 24 VDC solenoid release mechanism. This ensures that the switch operates reliably and securely, even in demanding industrial environments.
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Feature4. Easy Maintenance The slow-action contacts of the D4NL-4EFA-B make it easier to maintain and repair. The switch's design allows for smooth operation, reducing wear and tear on the contacts, which in turn extends the lifespan of the device.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Actuator

None

Connection method

Fixed Terminals

Indicator

Orange LED, 10 to 115 VAC/VDC

Key holding force

1300 N

Number of contacts

Solenoid voltage

24 VDC

Feature5. Durable Construction Constructed with high-quality plastic materials, the D4NL-4EFA-B is built to withstand harsh industrial conditions. Its IP67 rating ensures protection against dust and water, making it suitable for use in various environments without compromising performance.

Feature6. Comprehensive Contact Configuration The D4NL-4EFA-B offers a comprehensive contact configuration, including 2NC/1NO + 1NC/1NO (slow-action) contacts. This configuration provides both door open/closed detection and lock monitor switch functions, ensuring complete control over the interlock system.

Feature7. LED Indicator for Easy Monitoring The switch includes an orange LED indicator that operates between 10 to 115 VAC/VDC, providing visual confirmation of the switch's status. This feature enhances monitoring and troubleshooting, ensuring that any issues are quickly identified and addressed.

Feature8. Convenient Key Operation The D4NL-4EFA-B features a standard key release mechanism, which is positioned at the bottom of the switch head. This design ensures easy access and operation, making it simple to unlock and release the guard lock when necessary.

Feature9. Compliance with International Standards The OMRON D4NL-4EFA-B is designed to comply with international safety standards, including those related to insulation, voltage, and environmental conditions. This ensures that the switch operates safely and reliably in various global settings.

Feature10. Wide Range of Conduit Options The switch is available with an M20 conduit outlet, making it compatible with a wide range of industrial settings. This flexibility in conduit size ensures that the D4NL-4EFA-B can be easily integrated into existing systems or new installations.

Contact Configuration

2NC/1NO + 1NC/1NO

Head material

Plastic

Door lock and release

Mechanical lock/solenoid release

Release Key type

Standard

Manufacturer ID