D4NL-4DFA-BS

Overview of Omron D4NL-4DFA-BS

The Omron D4NL-4DFA-BS is a guard lock safety-door switch designed to monitor the open and closed states of safety doors in industrial machinery. It features robust construction with a plastic housing, a mechanical lock function, and includes two normally closed (NC) contacts for safety circuit control. The device has an M12 connector for easy wiring and provides high reliability with key holding force up to 1300 N.

Key Features of Omron D4NL-4DFA-BS

• Contact Configuration: 2NC + 2NC slow-action contacts
• Mechanical Lock: Provides key locking and solenoid release operation
• Key Holding Force: Minimum 1300 N for secure door monitoring
• Housing Material: Plastic with IP67 protection (switch only)
• Operating Temperature Range: −10°C to 55°C
• Durability: Mechanical life of 1,000,000 operations; electrical life of 500,000 operations at 3 A resistive load, 250 VAC
• Operation Key: Red and black keys included for release and locking
• Connector: M12 connector for reliable and quick installation
• Safety Standards: Complies with EN standards for safety and electrical performance

Technical Specs of D4NL-4DFA-BS

Applications / Use Case

The Omron D4NL-4DFA-BS safety-door switch is widely used in industrial environments to ensure operator safety by monitoring the proper closure of safety interlock doors. It is commonly applied in manufacturing lines, automated machinery, and safety guarding systems where secure monitoring and reliable operation are required.