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SICK WT45-R250 Overview
Photoelectric Proximity Switch WT45-R250 UC 24...240 V, relay
SICK WT45-R250 Description
- Long background suppression sensing range
- Rugged metal housing
- Optional: Powerful front lens heating
- Optional test input and time delays
- Variants for 10 - 60 V DC or 24 - 240 V DC / 24 - 240 V AC voltage supply
- IR emitter
- Very large sensing distance
- Rugged metal housing ensures a long service life in harsh industrial environments
- Front lens heating prevents condensation for reliable operation in outdoor applications.
- Multiple functions for simpler integration of individual systems
- Variants DC voltage and universal AC/DC voltage provides installation flexibility due to same housing
Your benefits
| Features | |
| Dimensions (W x H x D):: | 60 mm x 105 mm x 105 mm |
| Sensing range max.: | 200 mm ... 2,000 mm 1) |
| Sensing range: | 200 mm ... 2,000 mm |
| Housing desig (light emission): | Cuboid |
| Light source: | LED 2) |
| Type of light: | Infrared light |
| Delay time: | Adjustable via time delay selector switch: 0.5 ... 12 s |
| Adjustment of operating distance: | Potentiometer |
| Time type: | Switch on delay time delay off ON and OFF delay |
| Sensor/detection principle: | Photoelectric proximity sensor, Background suppression |
| Light spot (distance): | 35 mm (2,000 mm) |
| 1) Object with 90 % reflectance (referred to standard white DIN 5033) 2) Average service life 100,000 h at Ta = +25 C | |
| Mechanics/electronics | |
| Enclosure rating: | IP 67 |
| Supply voltage: | 24 V AC/DC ... 240 V AC/DC 1) |
| Switching output: | Relay, light/dark-switching, light-/dark-switching selectable via time delay selector switch, change-over contacts, electrically isolated 2) |
| Response time: | ≤ 20 ms |
| Switching frequency: | 10 Hz 3) |
| Connection type: | Terminal connection with PG13,5, 6-pin |
| Protection class: | I |
| Circuit protection: | A C 4) 5) |
| Weight: | 800 g |
| Ambient temperature, operation: | -25 C ... 55 C 6) |
| Ambient temperature, storage: | -40 C ... 70 C |
| Output state-LED: | ![]() |
| Front screen heating: | ![]() |
| Power consumption: | ≤ 6 VA |
| Switching current (switching voltage): | 4 A (240 V AC) 4 A (24 V DC) |
| Usage category: | AC-15, DC-13, according to EN 60947-1 |
| 1) +10 %, -25% 2) Provide suitable spark supression for inductive or capacitive loads 3) With light/dark ratio 1:1 4) A = VS connections reverse-polarity protected 5) C = interference suppression 6) Up to 140 C with cooling plates (see accessories) | |
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