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| PartNumber | E3S-BR31 | E3S-BR11 5M | E3S-BR11 |
| Description | Photoelectric Sensors 1M RETRO PNP HOR. | Photoelectric Sensors 1M RETRO NPN HOR 5M CBC | Photoelectric Sensors 1M RETRO NPN HOR |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Photoelectric Sensors | Photoelectric Sensors | Photoelectric Sensors |
| Sensing Distance | 1000 mm | - | 1000 mm |
| Output Configuration | PNP | - | NPN |
| Minimum Operating Temperature | - 25 C | - | - 25 C |
| Maximum Operating Temperature | + 55 C | - | + 55 C |
| Features | Light ON / Dark ON | - | Light ON / Dark ON |
| Height | 23 mm | - | 23 mm |
| Length | 34.3 mm | - | 34.3 mm |
| Series | E3S-B | E3S-B | E3S-B |
| Width | 23.5 mm | - | 23.5 mm |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| Operating Supply Voltage | 24 V | - | 24 V |
| Product Type | Photoelectric Sensors | Photoelectric Sensors | Photoelectric Sensors |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Sensors | Sensors | Sensors |
| Part # Aliases | E3SBR31 | E3SBR115M | E3SBR11 |