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| PartNumber | E3T-ST21-M1TJ 0.3M | E3T-ST21 2M | E3T-ST21 |
| Description | Optical Sensors Photoelectric Sensors 0.3M T-B L/ON NPN | Optical Sensors Photoelectric Sensors E3T-ST Side View Thr ough-Beam | |
| Manufacturer | Omron Automation and Safety | Omron Automation and Safety | - |
| Product Category | Optical Sensors - Photoelectric, Industrial | Optical Sensors - Photoelectric, Industrial | - |
| Series | E3T | E3T | - |
| Operating Temperature | -25°C ~ 55°C | -25°C ~ 55°C | - |
| Ingress Protection | IEC IP67 | IEC IP67 | - |
| Voltage Supply | 12 V ~ 24 V | 12 V ~ 24 V | - |
| Sensing Method | Through-Beam | Through-Beam | - |
| Output Configuration | NPN - Open Collector/Light-ON | NPN - Open Collector/Light-ON | - |
| Adjustment Type | Adjustable | Adjustable | - |
| Response Time | 1ms | 1ms | - |
| Sensing Distance | 11.811" (300mm) | 11.811" (300mm) | - |
| Connection Method | Connector | Cable | - |
| Cable Length | * | * | - |
| Light Source | Infrared (650nm) | Infrared (650nm) | - |
| Part # Aliases | E3TST21M1TJ03M | - | - |