Omron F3SJ-A2405N20 Safety Light Curtain
Omron F3SJ-A2405N20 is a Safety Light Curtain configured for 20 mm hand protection across a 2405 mm protective height. Its sensing field contains 160 infrared beams arranged with a 15 mm beam gap, creating extensive optical coverage across a tall protected machine opening. The sensing distance extends from 0.2 to 7 m, while the unit operates from a 24 VDC supply. An M12 8-pin connector and NPN transistor outputs provide the electrical interface. Within the F3SJ Series, the F3SJ-A2405N20 combines fine hand detection with substantial vertical coverage. For large guarded access zones, explore 20 mm tall hand protection light curtains available within Omron machine safety products.
| Brand | Omron |
| Product | Safety Light Curtain |
| Model Number | F3SJ-A2405N20 |
Omron F3SJ-A2405N20 Safety Light Curtain - Technical Specifications
| Specification | Value |
|---|---|
| Application | Hand protection |
| Object Resolution | Opaque objects |
| Detection Capability | 20 mm dia. |
| Beam Gap | 15 mm |
| Number Of Beams | 160 Beams |
| Protective Height | 2405 mm |
| Lens Size | 5 mm |
| Operating Range | 0.2 to 7 m |
| Connection Method | M12 Connector 8-pin |
| Light Source | Infrared LED (870 nm) |
| Startup Waiting Time | 2 s max. |
| Power Supply Voltage | 24 VDC ±20% (ripple p-p10% max.) |
| Current Consumption | Emitter: 153 mA max.; Receiver: 128 mA max. |
| Safety Outputs Ossd | Two NPN transistor outputs Load current: 300 mA max. Residual voltage: 2 V max. Capacitive load: 2.2 µF Leakage current: 2 mA max. |
| Auxiliary Output Non Safety Output | One NPN transistor output Load current: 300 mA max. Residual voltage: 2 V max. Leakage current: 1 mA max. |
| Protective Circuit | Output short-circuit protection, and power supply reverse polarity protection |
| Insulation Resistance | 20 M? min. (at 500 VDC) |
| Ambient Temperature | Operating: -10 to 55°C (no icing), Storage: -30 to 70°C |
| Ambient Humidity | Operating: 35% to 85% (no condensation), Storage: 35% to 95% |
| Degree Of Protection | IP65 (IEC 60529) |
| Materials | Case: Aluminum, Zinc diecast Front window: PMMA resin (acrylic) Caps: ABS resin Cable: Oil-resistant PVC |
The Omron F3SJ-A2405N20 Safety Light Curtain provides 20 mm hand detection across a 2405 mm protective height. Its optical field contains 160 infrared beams positioned with a 15 mm beam gap to provide dense sensing coverage across a tall protected machine opening. The operating range extends from 0.2 to 7 m, while the unit operates from a 24 VDC ±20% supply. An M12 8-pin connector provides electrical connection. Two NPN transistor outputs support a maximum load current of 300 mA each. Output short-circuit and reverse-polarity protection are specified, while the enclosure carries an IP65 rating.
When selecting the F3SJ-A2405N20, its 20 mm detection capability, 2405 mm protective height, 15 mm beam spacing, NPN output format, and 0.2 to 7 m sensing distance should be considered together. These specifications define the tallest hand-protection field in this supplied group and its electrical requirements. A substantially shorter hand-protection model may be selected where less vertical coverage is needed. For a 305 mm configuration with a 20 mm beam gap and 14 beams, see Omron F3SJ-E0305N25.
