Omron D4SL-N Series Solenoid Interlock Switch, Power to Unlock, 24V DC, 4.8W, IP67 Resin Housing

Omron D4SL-N Series Solenoid Interlock Switch D4SL-N4QFA-DN offers a dependable power-to-unlock safety solution designed for industrial control panels and machine guarding requiring monitored door position and lock status. Powered by a 24V DC supply with low power consumption of 4.8W, this compact switch features IP67-rated resin housing that protects against dust and temporary immersion, making it suitable for harsh industrial environments.

The device integrates 2 normally closed (NC) and 1 normally open (NO) safety contacts to provide independent feedback on door and lock conditions. The switch supports a 1.5A contact current at 24V DC and can operate at 120V AC contact voltage, meeting common control and signaling demands. It has provision for M20 conduit entry and uses terminal block connections for straightforward wiring in safety circuits.

Ideal for use with lightweight hinged or sliding guards on machine frames, it prevents unauthorized access by locking guard doors until conditions for unlocking are safely met. This switch complies with international safety standards such as EN60947-5-1, UL508, CSA C22.2 No.14, and GB14048.5, ensuring reliable operation in industrial automation, manufacturing, and process control applications.

Applications include guarded access doors on automated machinery, integration into safety circuits for lock status monitoring, and installation in panels requiring secure wiring interfaces. This compact solenoid interlock switch meets stringent industrial safety requirements while maintaining ease of installation and maintenance.

The switch features a power consumption of 4.8W minimizing supply size requirements. IP67 rated resin housing ensures protection against dust and temporary immersion. Equipped with 2 NC and 1 NO safety contacts for monitored door and lock status feedback.

Terminal block type connections allow for secure and easy wiring with M20 conduit entry. Contact ratings include 24V DC at 1.5A and 120V AC supporting standard control and signalling loads. Compact dimensions: 155mm width, 39mm depth, 39mm length suitable for machine guards.

Complies with industrial safety standards EN60947-5-1, CE, UL508, CSA C22.2 No.14, and GB14048.5. Ideal for guarded access doors on automated machinery requiring safety interlocks to prevent unauthorized entry. Explore our extensive range of Safety Interlock Switches at EnvMart for industrial control, automation, and protective applications.