| PartNumber | EE-SPW411 | EE-SPW421 | EE-SPW421-A |
| Description | Optical Switches, Transmissive, Phototransistor Output TRANS 1 m SNS DIST | Optical Switches, Transmissive, Phototransistor Output TRANS 30cm SNS DIST | Optical Switches, Transmissive, Phototransistor Output T-BEAM PMS SLIM 11.8 in SD L-ON |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| RoHS | Y | T | N |
| Slot Width | 1 m | 300 mm | - |
| Aperture Width | 5 mm | 0.5 mm, 1 mm, 3 mm | - |
| Maximum Collector Current | 100 mA | 100 mA | - |
| If Forward Current | 20 mA | - | - |
| Mounting Style | Through Hole | Wire Leads | Panel Mount |
| Minimum Operating Temperature | - 10 C | - 20 C | - 20 C |
| Maximum Operating Temperature | + 55 C | + 55 C | + 55 C |
| Series | EE-SPW411 | - | - |
| Height | 27 mm | 12 mm | 12 mm |
| Length | 25.4 mm | 50 mm | 50 mm |
| Output Type | Phototransistor | Phototransistor | Phototransistor |
| Sensing Distance | 1 m | 300 mm | 300 mm |
| Sensing Method | Transmissive, Through-Beam Type | Transmissive, Through-Beam Type | Transmissive, Through-Beam Type |
| Termination Style | Wire | Wire | - |
| Wavelength | 940 nm | 940 nm | - |
| Width | 8 mm | 7.5 mm | 7.5 mm |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| Number of Channels | 1 Channel | 2 | - |
| Product Type | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output | Optical Switches, Transmissive, Phototransistor Output |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Optical Switches | Optical Switches | Optical Switches |
| Part # Aliases | 1339608 EESPW411 | EESPW421 | EESPW421A |
| Fall Time | - | 1 ms | - |
| Rise Time | - | 1 ms | - |
| Vf Forward Voltage | - | - | 10.8 V to 26.4 V |