Omron D4SL-N4EFA-D Guard Lock Safety Switch

Product Overview

Buy Omron D4SL-N4EFA-D Switch online. The Omron D4SL-N4EFA-D is a key-operated guard lock safety-door switch from the D4SL-N series, designed for monitoring and locking machine guards in Industrial Automation and Industrial Control systems. It uses a mechanical lock with 24 VDC solenoid release and provides a 1300 N key holding force.

This model features a 2NC/1NO door contact configuration with 1NC/1NO lock-monitor contacts, an M20 conduit entry, terminal-block connection, and an LED indicator. Its compact plastic housing and resin head support installation on manufacturing equipment, Machine Control systems, and other safety-related Electrical Equipment.

The IP67 enclosure rating and industrial operating temperature range make the D4SL-N4EFA-D suitable for demanding Industrial Applications. It can be used in new OEM equipment or selected as one of the Replacement Parts for compatible machinery after confirming the required contact arrangement, locking method, and installation specifications.

Technical Specifications & Features

• Brand: Omron
• Manufacturer Part Number: D4SL-N4EFA-D
• Category: Switch
• Product Series: D4SL-N
• Solenoid Voltage: 24 VDC
• Contact Configuration: 2NC/1NO + 1NC/1NO
• Locking Method: Mechanical lock with solenoid release
• Key Holding Force: 1300 N
• Connection Type: Terminal block
• Conduit Size: M20
• Material: Plastic housing with resin head
• Operating Temperature: -10 to 55°C
• Protection Rating: IP67
• Indicator: LED indicator

The key-operated design combines guard-position monitoring and lock-status monitoring in one industrial safety component. Its defined contact arrangement helps integrate machine-door status and locking feedback into compatible safety and control circuits.

With a 1300 N holding force, terminal-block wiring, and IP67 protection, this Omron switch provides a reliable solution for machine builders and maintenance teams selecting Automation Components for controlled access to hazardous machine areas.

Applications

The Omron D4SL-N4EFA-D is intended for machine guarding applications where a protective door must remain locked until hazardous machine motion or processes have stopped. Typical installations include automated production lines, robotic cells, packaging machinery, assembly systems, and factory Machine Control equipment.

It can also support Industrial Automation control panels, OEM manufacturing equipment, maintenance programs, and Replacement Parts requirements for compatible D4SL-N installations. System designers should verify the contact configuration, M20 conduit entry, mechanical-lock operation, and 24 VDC solenoid release before installation.

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