Omron D4NL-4CFA-B Guard Lock Safety Switch with 1300 N Holding Force

Product Overview

Buy Omron D4NL-4CFA-B Switch online. The Omron D4NL-4CFA-B is a key-operated guard lock safety-door switch designed for Industrial Automation and Industrial Control systems that require monitored access to hazardous machine areas. It uses a mechanical locking mechanism with a 24 VDC solenoid release and provides a holding force of 1300 N.

As part of the Omron D4NL series of Automation Components, this switch features a 2NC door contact arrangement and 1NC/1NO lock-monitor contact arrangement with slow-action operation. An orange LED indicator rated for 10 to 115 VAC/VDC supports clear operating-status indication.

The plastic housing and head, IP67 protection rating, M20 conduit entries, and screw-terminal connection make the D4NL-4CFA-B suitable for safety-related Electrical Equipment, OEM machine designs, and Replacement Parts requirements where the original model and specifications match.

Technical Specifications & Features

• Brand: Omron
• Manufacturer Part Number: D4NL-4CFA-B
• Category: Switch
• Product Series: D4NL
• Contact Configuration: 2NC door contacts and 1NC/1NO lock-monitor contacts
• Switch Action: Slow action
• Locking Method: Mechanical lock with power-to-unlock solenoid release
• Solenoid Voltage: 24 VDC
• LED Indicator Voltage: 10 to 115 VAC/VDC
• Holding Force: 1300 N
• Connection Type: Screw terminal
• Conduit Size: M20
• Number of Conduits: 2
• Material: Plastic housing and plastic head
• Dimensions: 95 mm length x 88.5 mm width x 35.5 mm height
• Operating Temperature: -10 to 55 degrees Celsius
• Protection Rating: IP67

The mechanical-lock, power-to-unlock configuration keeps the guard door mechanically secured until the 24 VDC solenoid release is energized. Separate door-detection and lock-monitor contacts support integration with machine safety and Machine Control circuits.

The adjustable operating direction and standard bottom-mounted resin release key provide installation flexibility. The switch is supplied without an operation key, allowing the appropriate compatible key to be selected for the application.

Applications

The Omron D4NL-4CFA-B is used on machine guard doors and access panels in factory automation, manufacturing equipment, automated production machinery, and other systems requiring guard locking and status monitoring. It can be connected to safety control equipment as part of an integrated Industrial Automation system.

This model is suitable for OEM equipment construction, Industrial Control upgrades, maintenance programs, and exact-model replacement in Industrial Applications. It supports guarded access control for machinery where reliable mechanical locking, contact monitoring, and IP67 enclosure protection are required.

Bulk purchase and RFQ are available. Contact us for quantity pricing, lead time, and shipping options.