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D4BS-1AFS Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The Omron D4BS-1AFS is a safety-door interlock switch with a non-locking mechanism, designed for position detection and safety interlocking on machine guards and protective doors .

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Key Specifications Parameter Specification Series D4BS Switch Type Safety-door interlock switch (Non-locking) Actuator Type Panel disconnect Contact Configuration DPST-NC (2NC) Contact Operation Slow-action Switch Terminals Screw terminal Conduit Size PG13.5 Number of Conduits 1 Housing Material Metal (Aluminum die-cast) Head Material Metal Degree of Protection IP67 (Dust-tight, Waterproof) Operating Temperature -40°C to 80°C Key Entry Slots 4 directions Key Included No (sold separately) Electrical Ratings Parameter Specification Rated Voltage (AC) 120 VAC / 400 VAC / 600 VAC Rated Voltage (DC) 250 VDC Current Rating (AC) 10 A at 120 VAC Current Rating (DC) 2 A at 400 VAC Contact Rating 400 VAC / 2A Operating Force 2000 gf (approx. 19.6 N) Pre-Travel 0.394" (10.0 mm) Insulation Resistance 100 MΩ min. (at 500 VDC) Durability & Compliance Parameter Specification Electrical Durability 500,000 operations min. Mechanical Durability 1,000,000 operations min. Dimensions (W x H x D) 40 mm × 111.5 mm × 43 mm Weight Approx. 292 g Shock Resistance 1,000 m/s² Vibration Resistance 10 to 55 Hz, 0.75 mm single amplitude Certifications UL, CSA, EN (TÜV), CCC RoHS Compliant Yes