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E3C-LDA21N Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The OMRON E3C-LDA21N is a digital fiber amplifier unit from the E3C-LDA series, designed for use with laser-type sensor heads (e.g., E3C-LD11N). This pre-wired model features an NPN open-collector output and provides 2 control outputs plus 1 external input .

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Key Specifications Parameter Specification Brand OMRON Model E3C-LDA21N Series E3C-LDA Product Type Digital Fiber Amplifier (Laser-type sensor head compatible) Output Configuration NPN open-collector Number of Outputs 2 Number of External Inputs 1 Connection Method Pre-wired cable (2 m) Supply Voltage 12 to 24 VDC ±10% (ripple p-p 10% max.) Power Consumption 1080 mW max. (45 mA max. at 24 VDC) Load Current 100 mA max. (for 1-3 units); 20 mA max. (for 4+ units joined) Residual Voltage 1 V max. (load current < 10 mA); 2 V max. (load current 10-100 mA) Indicators 7-segment display (green: threshold; white: intensity), OUT (orange), L/D (orange), ST (blue), DPC (green) Protection Circuits Power supply reverse polarity protection, output short-circuit protection, output reverse polarity protection Operating Temperature -25°C to 55°C (1-2 units); -25°C to 50°C (3-10 units); -25°C to 45°C (11-16 units) Storage Temperature -30°C to 70°C Operating Humidity 35% to 85% RH (no condensation) Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2h each X,Y,Z Shock Resistance 500 m/s², 3 times each X,Y,Z Housing Material Polycarbonate (PC) Mounting Method DIN rail mounting Weight Approx. 115 g (packed) / 75 g (unit)