

The transmitter and the receiver are enclosed in separate housings with Through Beam Sensors. These are mounted so that the light beam emitted by the transmitter strikes the lens at the receiver. wenglor Through Beam Sensors are available with laser light, red light or infrared light. If the active light beam between the transmitter and the receiver is interrupted, the output is switched. Transmitters are equipped with a test input and can thus be checked for correct functioning. The controller works together with the light barriers SA250/EA250 and avoids a mutual influence of the sensors.
| E1FL66VD | 1000 mm | 16 × 25 × 4 mm | Infrared Light |
| S1FL66 | 1000 mm | 16 × 25 × 4 mm | Infrared Light |
| EK96VB | 6000 mm | 32 × 16 × 12 mm | Red Light |
| EK96VB8 | 6000 mm | 32 × 16 × 12 mm | Red Light |
| EK96VD | 6000 mm | 32 × 16 × 12 mm | Red Light |
| EK96VD8 | 6000 mm | 32 × 16 × 12 mm | Red Light |
| SK96 | 6000 mm | 32 × 16 × 12 mm | Red Light |
| SK968 | 6000 mm | 32 × 16 × 12 mm | Red Light |
| ZK1008 | 10000 mm | 32 × 16 × 12 mm | Laser (red) |
| ZK100VD8 | 10000 mm | 32 × 16 × 12 mm | Laser (red) |
| EM98PA2 | 10000 mm | 54,5 × 27 × 16 mm | Red Light |
| SM982 | 10000 mm | 54,5 × 27 × 16 mm | Red Light |
| EN200PA3 | 20000 mm | 76 × 32,5 × 18 mm | Red Light |
| EN600PA3 | 60000 mm | 76 × 32,5 × 18 mm | Red Light |
| SN2003 | 20000 mm | 76 × 32,5 × 18 mm | Red Light |
| SN6003 | 60000 mm | 76 × 32,5 × 18 mm | Red Light |
| EA250-P24 | 15000 mm | M12 × 1 | Infrared Light |
| EO95VB3N | 5000 mm | M12 × 1 | Red Light |
| EO95VD3N | 5000 mm | M12 × 1 | Red Light |
| EO98VB3 | 10000 mm | M12 × 1 | Infrared Light |
| EO98VD3 | 10000 mm | M12 × 1 | Infrared Light |
| SA250-P24 | 15000 mm | M12 × 1 | Infrared Light |
| SO953N | 5000 mm | M12 × 1 | Red Light |
| SO983 | 10000 mm | M12 × 1 | Infrared Light |
| YO993 | 20000 mm | M12 × 1 | Laser (red) |
| YO99VB3 | 20000 mm | M12 × 1 | Laser (red) |
| YO99VD3 | 20000 mm | M12 × 1 | Laser (red) |
| ED98PC3 | 10000 mm | M18 × 1 | Red Light |
| ED98PCV3 | 10000 mm | M18 × 1 | Red Light |
| OED000C0003 | M18 × 1 | Laser (red) | |
| OEDK803A0002 | 8000 mm | M18 × 1 | Red Light |
| OEDK803A0091 | 8000 mm | M18 × 1 | Red Light |
| OSD124Z0003 | 12000 mm | M18 × 1 | Laser (red) |
| OSD404Z0003 | 40000 mm | M18 × 1 | Laser (red) |
| OSDK803Z0002 | 8000 mm | M18 × 1 | Red Light |
| OSDK803Z0091 | 8000 mm | M18 × 1 | Red Light |
| SD983 | 10000 mm | M18 × 1 | Red Light |
| ZD2003 | 20000 mm | M18 × 1 | Laser (red) |
| ZD200NCT3 | 20000 mm | M18 × 1 | Laser (red) |
| ZD200PCVT3 | 20000 mm | M18 × 1 | Laser (red) |
| ZD6003 | 60000 mm | M18 × 1 | Laser (red) |
| ZD600PCT3 | 60000 mm | M18 × 1 | Laser (red) |
| ZD600PCVT3 | 60000 mm | M18 × 1 | Laser (red) |
| EW98PC3 | 10000 mm | M18 × 1; angled | Red Light |
| OEWK803A0002 | 8000 mm | M18 × 1; angled | Red Light |
| OEWK803A0091 | 8000 mm | M18 × 1; angled | Red Light |
| OSWK803Z0002 | 8000 mm | M18 × 1; angled | Red Light |
| OSWK803Z0091 | 8000 mm | M18 × 1; angled | Red Light |
| SW983 | 10000 mm | M18 × 1; angled | Red Light |
| ZW2003 | 20000 mm | M18 × 1; angled | Laser (red) |
| ZW200NCT3 | 20000 mm | M18 × 1; angled | Laser (red) |
| ZW200PCT3 | 20000 mm | M18 × 1; angled | Laser (red) |
| ZW6003 | 60000 mm | M18 × 1; angled | Laser (red) |
| ZW600PCT3 | 60000 mm | M18 × 1; angled | Laser (red) |
| EB77VB7 | 1500 mm | M8 × 1 | Infrared Light |
| EB77VD7 | 1500 mm | M8 × 1 | Infrared Light |
| SB777 | 1500 mm | M8 × 1 | Infrared Light |