Product Description

The Omron D4NL-2DFA-B4 is a safety door-lock switch designed to ensure secure access control in industrial settings. It features a mechanical lock with a holding force of 1,300 N, enhancing safety during machine operation. The switch is equipped with two normally closed (NC) door contacts and two NC lock monitor contacts, facilitating reliable monitoring and control. Operating on a 24 VDC supply, it offers a current rating of 3 A (AC) and 270 mA (DC), making it suitable for various applications. The device is housed in a durable plastic casing with an IP67 rating, ensuring protection against dust and water ingress. Its compact dimensions (95 mm length, 88.5 mm width, and 35.5 mm height) and adjustable operation direction allow for flexible installation.

Technical Specifications

• Type: Key-operated safety door-lock switch with mechanical lock​
• OMRON Industrial Automation
• +3
• ElectGo
• +3
• Kempston Controls
• +3
• Guard-lock: Yes​
• Kempston Controls
• Housing Material: Plastic​
• Head Material: Plastic​
• Operating Temperature: -10°C to 55°C​
• Connection Method: Screw terminal​
• ElectGo
• +3
• OMRON Industrial Automation
• +3
• industrial.omron.ch
• +3
• Cable Length: 0 m (pre-wired)​
• OMRON Industrial Automation
• Direction of Operation: Adjustable​
• Kempston Controls
• Holding Force: 1,300 N​
• DigiKey
• +5
• ElectGo
• +5
• OMRON Industrial Automation
• +5
• Door Contacts (NC): 2​
• Lock Monitor Contacts (NC): 2​
• Kempston Controls
• +4
• DigiKey
• +4
• OMRON Industrial Automation
• +4
• Lock/Release Key Type: Special key​
• ElectGo
• +1
• industrial.omron.ch
• +1
• Lock/Release Key Position: Bottom​
• OMRON Industrial Automation
• +3
• ElectGo
• +3
• industrial.omron.ch
• +3
• Lock/Release Key Material: Resin​
• Kempston Controls
• +3
• DigiKey
• +3
• Kempston Controls
• +3
• Solenoid Voltage: 24 VDC​
• Kempston Controls
• +4
• OMRON Industrial Automation
• +4
• Kempston Controls
• +4
• LED Indicator: Yes​
• Kempston Controls
• Ingress Protection (IP): IP67​
• Conduit Size: G1/2​
• industrial.omron.ch
• +5
• ElectGo
• +5
• Kempston Controls
• +5
• Number of Conduits: 2​
• ElectGo
• +1
• industrial.omron.ch
• +1
• Switch Action: Slow action​
• DigiKey
• +5
• ElectGo
• +5
• OMRON Industrial Automation
• +5
• Shape: Cuboid​
• OMRON Industrial Automation
• +1
• DigiKey
• +1
• Overall Length: 95 mm​
• ElectGo
• +2
• industrial.omron.ch
• +2
• OMRON Industrial Automation
• +2
• Height: 35.5 mm​
• Kempston Controls
• +4
• industrial.omron.ch
• +4
• OMRON Industrial Automation
• +4
• Width: 88.5 mm​
• Kempston Controls
• +4
• industrial.omron.ch
• +4
• OMRON Industrial Automation
• +4
• Switch without Actuator: Yes​
• Lock/Release Logic: Power to unlock (mechanical lock)