Mô tả sản phẩm
W250-2
Features
| Sensor/ detection principle | Through-beam photoelectric sensor |
| Dimensions (W x H x D) | 20 mm x 60 mm x 43.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 m … 50 m |
| Sensing range | 0 m … 40 m |
| Type of light | Visible red light |
| Light source | LED 1) |
| Light spot size (distance) | ? 0.6 m (20 m) |
| Angle of dispersion | Approx. 2? |
| Adjustment | Potentiometer, 2 turns 2) |
- 1) Average service life: 100,000 h at TU = +25 ?C.2) With position indicator.
Mechanics/electronics
| Supply voltage |
24 V DC … 240 V DC 1) 24 V AC/DC … 240 V AC/DC 1) |
| Power consumption, sender | ? 3.5 VA |
| Power consumption, receiver | ? 3.5 VA |
| Switching output | Relay, electrically isolated 2) |
| Output function | Change-over contacts |
| Switching mode | Light switching 2) |
| Switching current (switching voltage) |
3 A (240 V AC) 3 A (30 V DC) |
| Response time | ? 15 ms |
| Switching frequency | 33 Hz 3) |
| Angle of reception | 20? |
| Connection type | Cable, 5-wire, 2 m 4) |
| Cable material | PVC |
| Conductor cross-section | 0.76 mm? |
| Cable diameter | ? 6.4 mm |
| Circuit protection |
A 5) C 6) |
| Protection class | II 7) |
| Overvoltage category | 2 |
| Weight | 310 g |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | BEF-W250 mounting bracket |
| Usage category | AC-15, DC-13, according to EN 60947-1 |
| EMC | EN 60947-5-2 8) |
| Ambient operating temperature | ?25 ?C … +55 ?C |
| Ambient storage temperature | ?40 ?C … +70 ?C |
| MTTFd: mean time to dangerous failure | 445 years |
| UL File No. | NRKH2.E300503 & NRKH8.E300503 |
- 1) ?10 %.2) Provide suitable spark suppression for inductive or capacitive loads.3) With light/dark ratio 1:1.4) Do not bend below 0 ?C.5) A = VS connections reverse-polarity protected.6) C = interference suppression.7) Reference voltage: 250 V AC.8) The AC/DC devices comply with the Radio Safety Requirements for the industrial sector (Radio Safety Class A). They may cause radio interference if used in a residential area.
Classifications
| ECl@ss 5.0 | 27270901 |
| ECl@ss 5.1.4 | 27270901 |
| ECl@ss 6.0 | 27270901 |
| ECl@ss 6.2 | 27270901 |
| ECl@ss 7.0 | 27270901 |
| ECl@ss 8.0 | 27270901 |
| ECl@ss 8.1 | 27270901 |
| ECl@ss 9.0 | 27270901 |
| ETIM 5.0 | EC002716 |
| ETIM 6.0 | EC002716 |
| UNSPSC 16.0901 | 39121528 |
