The PSEN op4B-4-120/1 is an optical safety light curtain with type 4 ESPE classification, providing body detection over a protected field height of 1215 mm and an operating range of 0.5 to 50 m. It features two OSSD outputs and operates from a 24 VDC supply, using an 880 nm wavelength for sensing. The housing upper part is aluminium, and the unit is rated for ambient temperatures from -10 to 55°C, making it suitable for use as a perimeter or access guarding device on industrial machinery.
Key specifications
| Approval | CE, cULus Listed, TÜV |
| ESPE type | 4 |
| Sensor principle | Optical |
| Height of protected field | 1215 mm |
| Resolution protection type | Body |
| Operating range | 0.5 to 50 m |
| Supply voltage (V) | 24 V |
| Type of supply voltage U1 | DC |
| Used wavelength range | 880 nm |
| Ambient temperature | -10 - 55 °C |
| Humidity rating | 95 % r. h. at 50 °C |
| Condensation permitted? | Not permitted |
| Vibration to standard | EN 60068-2-6 |
| Acc. shock to standard | 10g |
| Pollution degree | 2 |
| Protection type standard | EN 60529 |
| Housing material upper part | Aluminium |
| Height dimension | 1353 mm |
| Width dimension | 35 mm |
| Depth dimension | 41.2 mm |
| Net weight | 4400 g |
| Gross weight | 5100 g |
| ECLASS version | ECLASS-13 |
| ECLASS Reference Feature | 27272703 |
| ETIM Version | ETIM-9.0 |
| ETIM Reference Group | EG000026 |
| GTIN | 4046548076622 |
| Volume | 22.398 dm3 |
| Quantity per packaging unit | 1 |