| PartNumber | E3Z-FTN21 | E3Z-FTN11 2M | E3Z-FTP11 2M |
| Description | Photoelectric Sensors 20M THRUBEAM SENSOR RED NPN Connect M12 | Photoelectric Sensors 20M THRUBEAM SENSOR RED NPN Pre-wired 2M | Photoelectric Sensors 20M THRUBEAM SENSOR RED PNP Pre-wired 2M |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Photoelectric Sensors | Photoelectric Sensors | Photoelectric Sensors |
| RoHS | Y | Y | Y |
| Sensing Method | Through-Beam | Through-Beam | Through-Beam |
| Sensing Distance | 20 m | 20 m | 20 m |
| Light Source | Red LED | Red LED | Red LED |
| Amplifier Type | Built In | Built In | Built In |
| Connection Method | M12 Connector | Pre-Wired | Pre-Wired |
| Output Configuration | NPN | NPN | PNP |
| Minimum Operating Temperature | - 25 C | - 25 C | - 25 C |
| Maximum Operating Temperature | + 55 C | + 55 C | + 55 C |
| Features | Sensor Amplifier Units, Light ON / Dark ON | Sensor Amplifier Units, Light ON / Dark ON | Sensor Amplifier Units, Light ON / Dark ON |
| Height | 35 mm | 35 mm | 35 mm |
| Length | 31 mm | 31 mm | 31 mm |
| Series | E3Z-F | E3Z-F | E3Z-F |
| Width | 15 mm | 15 mm | 15 mm |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| IP Rating | IP67, IP69K | IP67, IP69K | IP67, IP69K |
| Operating Supply Voltage | 24 V | 24 V | 24 V |
| Product Type | Photoelectric Sensors | Photoelectric Sensors | Photoelectric Sensors |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Sensors | Sensors | Sensors |
| Part # Aliases | E3ZFTN21 | E3ZFTN112M | E3ZFTP112M |
| Unit Weight | 1.234589 oz | 4.232875 oz | 4.232875 oz |