E3Z-G81-M3J Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The E3Z-G81-M3J is a U-shaped (grooved) through-beam sensor from Omron's E3Z-G series. The emitter and receiver are housed in a single, compact unit, which simplifies wiring and eliminates the need for optical alignment .

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Performance Parameter Value Sensing method Through-beam with slot (Grooved type) Sensing distance 25 mm Number of optical axes 1 Standard sensing object Opaque: 1.5 mm dia. min. Light source Infrared LED (940 nm) Power supply voltage 12 to 24 VDC ±10% (ripple p-p 10% max.) Current consumption 25 mA max. Output Specifications Parameter Value Output type PNP open collector Output current 100 mA max. Residual voltage 1 V max. (at 100 mA load current) Operation mode Light-ON / Dark-ON (selectable via control wire) Timing Parameter Value Response time Operate or reset: 1 ms max. Switching frequency 500 Hz Environmental Specifications Parameter Value Ambient temperature (Operating) -25 to 55°C (with no freezing or condensation) Ambient temperature (Storage) -40 to 70°C Ambient humidity (Operating) 35% to 85% (with no condensation) Ambient illuminance Incandescent lamp: 3,000 lx max. / Sunlight: 10,000 lx max. Degree of protection IP64 (IEC) Electrical & Insulation Parameter Value Insulation resistance 20 MΩ min. (500 VDC megger) Dielectric strength 1,000 VAC 50/60 Hz for 1 min (between lead wires and case) Protective circuits Output short-circuit protection, Power supply reverse polarity protection Physical Specifications Parameter Value Dimensions (L x H x W) 50 x 40 x 11 mm Fork depth 35 mm Fork width (sensing slot) 25 mm Material (Case) ABS (Polybutylene terephthalate) Connection method Pre-wired M8 connector (0.3 m cable with M8 4-pin male connector) Weight (packaged) Approx. 30 g