Sensor
Small Photoelectric Sensors SICK W12-3 WTB12-3P2431
Features
Mechanics/electronics
Safety-related parameters
Classifications
Features
| Device type | Photoelectric sensors |
| Sensor/ detection principle | Photoelectric proximity sensor, Background suppression |
| Dimensions (W x H x D) | 15.6 mm x 48.5 mm x 42 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 20 mm ... 350 mm 1) |
| Sensing range | 20 mm ... 350 mm |
| Type of light | Visible red light |
| Light source | LED 2) |
| Light spot size (distance) | Ø 6 mm (200 mm) |
| Wave length | 640 nm |
| Adjustment | Potentiometer, 5 turns |
- 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
- 2) Average service life: 100,000 h at TU = +25 °C.
Mechanics/electronics
| Supply voltage | 10 V DC ... 30 V DC 1) |
| Ripple | < 5 Vpp 2) |
| Current consumption | 45 mA 3) |
| Switching output | PNP |
| Output function | Complementary |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | > Uv - 2,5 V / ca. 0 V |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 330 µs 4) |
| Switching frequency | 1,500 Hz 5) |
| Connection type | Male connector M12, 4-pin |
| Circuit protection |
A 6) C 7) D 8) |
| Protection class | III |
| Weight | 120 g |
| Housing material | Metal |
| Optics material | Plastic, PMMA |
| Enclosure rating |
IP66 IP67 IP69K |
| Items supplied | 2 x clamps BEF-KH-W12, incl. screws |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| UL File No. | NRKH.E181493 & NRKH7.E181493 |
- 1) Limit values when operated in short-circuit protected network: max. 8 A.
- 2) May not exceed or fall below Uv tolerances.
- 3) Without load.
- 4) Signal transit time with resistive load.
- 5) With light/dark ratio 1:1.
- 6) A = VS connections reverse-polarity protected.
- 7) C = interference suppression.
- 8) D = outputs overcurrent and short-circuit protected.
Safety-related parameters
| MTTFD | 499 years |
| DCavg | 0 % |
Classifications
| ECl@ss 5.0 | 27270904 |
| ECl@ss 5.1.4 | 27270904 |
| ECl@ss 6.0 | 27270904 |
| ECl@ss 6.2 | 27270904 |
| ECl@ss 7.0 | 27270904 |
| ECl@ss 8.0 | 27270904 |
| ECl@ss 8.1 | 27270904 |
| ECl@ss 9.0 | 27270904 |
| ECl@ss 10.0 | 27270904 |
| ECl@ss 11.0 | 27270904 |
| ETIM 5.0 | EC002719 |
| ETIM 6.0 | EC002719 |
| ETIM 7.0 | EC002719 |
| ETIM 8.0 | EC002719 |
| UNSPSC 16.0901 | 39121528 |
