Discontinued Products
- Some models in this product series have been discontinued.
- Discontinued Models
Specifications
Technical Data
| Type | Through-beam type | Retro-reflective type | Diffuse-reflective type | ||
|---|---|---|---|---|---|
| Model | NPN | Cable type | ST-400N | SR-150N | SD-20N |
| Connector type | ST-400CN | SR-150CN | SD-20CN | ||
| PNP | Cable type | ST-400P | SR-150P | SD-20P | |
| Connector type | ST-400CP | SR-150CP | SD-20CP | ||
| Sensing distance | 4 m | 0.02 to 1.5 m*1 | 200 mm*2 | ||
| Light source | Red LED | ||||
| Smallest detectable object | ø6 mm | ☐ 45 mm | - | ||
| Response time | 0.5 ms or less | ||||
| Hysteresis | - | - | 20% or less | ||
| Distance adjustment | 1-turn potentiometer | ||||
| Indicators | Output indicator (orange), Stability indicator (green) | ||||
| Control output | NPN/PNP type Open co-llector Max. 100 mA/30 VDC | ||||
| Output mode | Light ON / Dark ON Switched by wiring | ||||
| Connection type | Cable type: Cable length: 2 m φ3.5 mm / Connector type: M8, 4-pin | ||||
| Insulation resistance | 20 MΩ or more (with 500 VDC) | ||||
| Rating | Supply voltage | 10 to 30 VDC, including 10% ripple (p-p) | |||
| Current consumption | 30 mA or less | 20 mA or less | |||
| Applicable regulations | EMC directive (2004/108/EC) | ||||
| Applicable standards | EN 60947-5-2 | ||||
| Company standards | Noise resistance: Feilen Level 3 cleared | ||||
| Environmental resistance | Ambient temperature/humidity | -25 to +55℃ (no freezing) / 35 to 85% RH (no condensation) | |||
| Ambient illuminance | Sunlight: 10,000 lx or less Incandescent lamp: 3,000 lx or less | ||||
| Vibration resistance | 10 to 55 Hz; double amplitude 1.5 mm; 2 hours in each of the X, Y, and Z directions |
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| Shock resistance | Approx. 100 G (1000 m/s2); 3 times in each of the X, Y, and Z directions |
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| Degree of protection | IEC standard, IP67 | ||||
| Material | Housing: PSF + PBT (glass fiber filled), Front cover: Polycarbonate (retro-reflective type is PMMA) |
||||
| Weight without cable | Approx. 5 g | ||||
| Included accessories | Mounting bracket: BEF-W150-B |
Mounting bracket: BEF-W150-B Reflector: V-61 |
Mounting bracket: BEF-W150-B |
||
*1. With V-61 reflector, *2. With 100 × 100 mm white paper
•Specifications are subject to change without prior notice for product improvement purposes.
Distance adjustment

Typical characteristic data
ST-400☐
When slit mask (BL-150-10) is attached ST-400☐
SR-150☐
SD-20☐
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