Sick WTB27-3S1511 Photoelectric Sensor
Sick Infrared Photoelectric Sensor WTB27-3S1511, 1027762 Technical Specifications:
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Product | WTB27-3S1511 |
Sick WTB27-3S1511 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 24.6 mm x 80.6 mm x 54 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 30 mm ... 1,600 mm 1) |
| Sensing range | 100 mm ... 1,600 mm |
| Type of light | Infrared light |
| Light source | LED |
| Light spot size (distance) | Ø 25 mm (800 mm) |
| Wave length | 880 nm |
| Adjustment | Potentiometer |
| Supply voltage UB | 20 V AC/DC ... 250 V AC/DC 1) |
| Power consumption | ≤ 2.5 VA |
| Switching Output | Relay, electrically isolated 2) |
| Output function | Change-over contacts |
| Switching mode | Light switching |
| Switching mode selector | - |
| Switching current (switching voltage) | 4 A @ 250 V AC, 4 A @ 24 V DC, 0.125 A @ 250 V DC UL: 4 A @ 250 V AC, general use / 4 A @ 250 V AC, resistive (NO) / 3 A @ 250 V AC, resistive (NC) / 4 A @ 24 V DC, NO, general use / 3 A @ 24 V DC, NC, general use / R300 / B300 (NO contacts only) / 0 °C ... +60 °C |
| Response time | ≤ 10 ms |
| Switching frequency | 10 Hz 3) |
| Connection type | PVC Cable, 5-wire, 2 m Length 4) |
| Protection class | II 7) |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP66, IP67 |
| Ambient operating temperature | –40 °C ... +60 °C 8) |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 200 g |
The WTB27-3S1511 Sick Infrared Photoelectric Sensor is a rectangular photoelectric proximity sensor designed for reliable object detection using background suppression. The WTB27-3S1511 Sick Infrared Photoelectric Sensor operates with infrared LED light, delivers a 100–1600 mm sensing range, and provides electrically isolated relay change-over output. This model belongs to the WTB series and is used widely across industrial automation systems where stable switching and consistent detection are required.
In industrial automation, the WTB27-3S1511 Sick Infrared Photoelectric Sensor is commonly applied in conveyors, packaging machines, assembly lines, and material handling systems. Its background suppression principle helps distinguish target objects from reflective surfaces, ensuring reliable detection. The relay output allows direct switching of loads, while the infrared light source supports dependable sensing across varying surface finishes and operating conditions.
The WTB27-3S1511 Sick Infrared Photoelectric Sensor combines a rugged ABS housing, IP66/IP67 protection, and wide operating temperature range for dependable industrial performance. With infrared sensing, relay output capability, and stable response characteristics, this WTB series sensor aligns with Sick’s established industrial automation standards. The WTB27-3S1511 is suitable for installations requiring durability, electrical isolation, and consistent object detection under demanding factory environments.
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