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Low Voltage Industrial Part D4NL-4DFG-B for Robotics Systems | Industrial Machinery Parts

The OMRON D4NL-4DFG-B is a Guard Lock Safety Door Switch from the D4NL Series. It is a compact, electromagnetic locking type safety interlock switch designed for hinged or sliding machine guards that require recessed mounting capability, redundant door detection (2 NC + 2 NO) , and redundant lock monitoring (3 NC) .

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Technical Specifications Parameter Specification Part Number D4NL-4DFG-B Series OMRON D4NL Series Product Type Guard Lock Safety Door Switch (Electromagnetic Locking) Locking Type Electromagnetic Locking (Spring-locked / Solenoid-unlocked) Head Type Recessed Head (designed for recessed mounting) Contact Configuration (Door Detection) 2 NC (Safety) + 2 NO (Auxiliary) – Slow-action, direct opening mechanism on NC contacts Contact Configuration (Lock Monitoring) 3 NC – For solenoid lock status feedback (triple redundant) Locking Force 1,400 N (minimum – standard) Manual Release Yes (Rear-mounted, hex key operated – key not included) Indicator LED Yes (Orange LED – lights when locked) Rated Voltage (Solenoid) 24 VDC Solenoid Power Consumption Approx. 2.5 W (at 20°C) Enclosure Rating IP67 (IEC 60529) – Dust-tight and protected against temporary immersion Operating Temperature -10°C to 55°C (14°F to 131°F) Operating Humidity 95% RH max. Electrical Rating (NC Contacts) 4 A at 30 VDC / 250 VAC (resistive load) Electrical Rating (NO Contacts) 2 A at 30 VDC / 250 VAC (resistive load) Connection Type Pre-wired 1 meter cable (13 cores, 0.75 mm²) Material (Housing) Plastic (Polycarbonate / ABS) – UL94 V-0 Weight Approx. 500 g (1.10 lbs) Certifications CE, TÜV, cULus, CCC