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D4N-4D32 Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The Omron D4N-4D32 is a general-purpose safety limit switch from the D4N series, designed for position detection and interlocking in industrial machinery and safety applications . This model features a top roller plunger actuator and is housed in a robust, double-insulated plastic enclosure with an M20 conduit entry .

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Key Specifications Parameter Specification Series D4N Switch Type Safety Limit Switch Actuator Top roller plunger (Resin roller: 9.5 mm dia. × 5 mm) Operating Mechanism Slow-action Contact Form 3NC (3PST-NC) Conduit Size M20 (1-conduit) Termination Style Screw Terminal Degree of Protection IP67 (Dust-tight and waterproof) Housing Material Plastic (Double-insulated, Class II) Operating Temperature -30°C to 70°C (with no icing) Electrical Ratings Parameter Specification Rated Voltage (AC) 240 VAC Rated Voltage (DC) 250 VDC Current Rating (AC) 10 A at 240 VAC (max) Current Rating (DC) 2.5 A at 250 VDC Contact Resistance (Initial) 25 mΩ max. Insulation Resistance 100 MΩ min. (at 500 VDC) Impulse Withstand Voltage 2.5 kV (between same polarity terminals) 4 kV (between different polarity terminals) Mechanical Characteristics Parameter Value Operating Force (OF) 6.5 N (663 gf) max. Release Force (RF) 1.5 N (153 gf) min. Pre-Travel (PT) 2.0 mm max. Over-Travel (OT) 4.0 mm min. Total Travel (TT) 6.0 mm (reference value) Operating Position (OP) 28.6 ± 0.8 mm Direct Opening Force 20 N min. (EN60947-5-1) Direct Opening Travel 3.2 mm min. (EN60947-5-1) Max. Operating Speed 1 mm/s to 0.5 m/s Durability Parameter Value Mechanical Durability 15,000,000 operations min. Electrical Durability 300,000 operations min. (10A at 240VAC) Vibration (Malfunction) 10 to 55 Hz, 0.75 mm single amplitude Shock (Destruction) 1,000 m/s² Shock (Malfunction) 300 m/s² Dimensions Parameter Value Body Width 30 mm Body Height 57.5 mm Body Depth 31 mm Mounting Hole Pattern 22 mm × 47 mm Weight Approx. 100-130 g