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Sick WL280-S135 REF Overview
Photoelectric Reflex Switch WL280-S135
Sick WL280-S135 REF Description
- Visible red light
- Potentiometer for sensitivity control
- Light/dark switching (DC devices)
- Rotatable connector, cable connector or terminal chamber
- Versions for 10 - 30 V DC or 24 - 240 V DC/AC voltage supply
- Stainless steel mounting bracket and P250 reflector are included in delivery
- AC/DC devices are compliant with EN61000-6-3 (electromagnetic interference for "residential, commercial and light-industrial environments)
- UL recognized
- Less contamination due to high operating reserves, reducing downtime
- DC and AC/DC devices available in the same housing, allowing electrical flexibility
- Potentiometer adjustment for application-specific operation
- Light/dark switching provides application flexibility
- All necessary mounting and operating accessories are included in delivery, enabling quick and easy setup: since mounting bracket (stainless steel 1.4301) and reflector are included in delivery scope
- Polarizing filter ensures reliable detection, even with shiny targets
Your benefits
| Features | |
| Dimensions (W x H x D):: | 23.5 mm x 74.5 mm x 63 mm |
| Sensing range max.: | 0.01 m ... 15 m 1) |
| Sensing range: | 0.01 m ... 10 m 0.01 m ... 13 m 2) 3) |
| Housing desig (light emission): | Cuboid |
| Light source: | LED 4) |
| Type of light: | visible red light |
| Sensitivity adjustment: | Sensitivity adjustment |
| Sensor/detection principle: | Photoelectric retro-reflective sensor |
| Light spot (distance): | 10 m |
| 1) 3) PL80A 2) P250 4) Average service life 100,000 h at Ta = +25 C | |
| Mechanics/electronics | |
| Enclosure rating: | IP 66 |
| Supply voltage: | 24 V DC ... 240 V DC 24 V AC ... 240 V AC 1) 2) |
| Switching output: | Relay, light switching, change-over contacts, electrically isolated 3) |
| Response time: | ≤ 20 ms |
| Switching frequency: | 25 Hz 4) |
| Connection type: | Cable, 5-wire, 5 m 5) |
| Conductor cross-section: | 0.76 mm2 |
| Protection class: | II 6) |
| Circuit protection: | A C 7) 8) |
| Weight: | 150 g |
| Housing material: | ABS |
| Optics material: | PMMA |
| Ambient temperature, operation: | -25 C ... 55 C |
| Ambient temperature, storage: | -40 C ... 70 C |
| Polarisation filter: | ![]() |
| Items supplied: | Mounting bracket BEF-W280, Reflector P250 |
| Special device: | - |
| Angle of dispersion: | 1.6 |
| Power consumption: | ≤ 5 VA |
| Switching current (switching voltage): | 3 A (240 V AC) 3 A (30 V DC) |
| Usage category: | AC-15, DC-13, according to EN 60947-1 |
| 1) 2) +-10 % 3) Provide suitable spark supression for inductive or capacitive loads 4) With light/dark ratio 1:1 5) Do not bend below 0 C 6) Rated voltage 250 V AC/DC 7) A = VS connections reverse-polarity protected 8) C = interference suppression | |
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