| Detection method | Through beam |
| Model | NPN | GE-SX951B-Y |
| PNP | GE-SX951C-Y |
| Output mode | Light-ON+Dark-ON |
| Sensing distance | 5mm（Slot Width） |
| Standard target | ＞1.2*0.8mm（Opaque object） |
| Light source | 940nm infrared light |
| Differential | <0.05mm |
| Repeat accuracy | <0.01mm |
| Supply power | ＜5-24V DC±10% |
| Residual voltage | ＜1V (Load Current≤50mA) |
| Current consumption | <15mA |
| Load Current | ≤50mA |
| Circuit protection | Reverse polarity connection protection, short-circuit protection ，overload protection |
| Response Frequency | ＞1kHz |
| Indicator light | Output LED | red |
| Connection | Cable 2m |
| Ambient temperature | Work:-25℃~+55℃ Store:-30℃~＋80℃(No dew condensation or icing allowed) |
| Ambient humidity | Work：5～85%RH，Store：5～95%RH，（No dew condensation） |
| Ambient illumination | Sunlight :10,000Lx lamplight:3,000Lx |
| Anti-vibration | 10~55Hz double-amplitude 1.5mmX,Y,Z 2h |
| Withstand voltage | 1000VAC,50/60Hz 1min between current-carring parts and case |
| Insulation resistance | ≥ 20 MΩ (500 VDC, terminals to housings) |
| Impact resistance | 500 m/s² (X, Y, Z directions, 3 times) |
| Protection degree | IEC IP54 |
| Material | Housing | PA+ABS |