| Part Number | E3T-CT12 |
| Shape | Cylinder type |
| Sensing method | Through-beam type |
| Sensing distance | 1 m |
| Minimum sensing object | Opaque: 4 mm dia. min. |
| Differential distance | Receiver: 2 ° |
| Light source | Red LED (630 nm) |
| Power supply voltage | 12 to 24 VDC±10% ripple (p-p) 10% max. |
| Current consumption | Emitter: 15 mA max. Receiver: 15 mA max. |
| Control output | NPN open collector 30 VDC max. 80 mA max. Residual voltage: 1 V max. |
| Operation mode | Dark-ON |
| Protective circuit | Output short-cut protection, Power supply reverse polarity protection |
| Response time | Operate or reset: 0.5 ms max. |
| Ambient illuminance | Incandescent lamp: 3,000 lx max. |
| Ambient temperature range (Operating) | -25 to 55 °C (with no freezing or condensation) |
| Ambient temperature range (Storage) | -30 to 70 C (with no freezing or condensation) |
| Ambient humidity range (Operating) | 35 to 85 % (with no condensation) |
| Ambient humidity range (Strage) | 35 to 85 % (with no condensation) |