Sick WTB27-3R2641 Photoelectric Sensor
Sick Electrically Isolated Photoelectric Sensor WTB27-3R2641, 1027750 Technical Specifications:
| Brand | Sick |
| Product Type | Photoelectric Sensors |
| Product | WTB27-3R2641 |
Sick WTB27-3R2641 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 ... 1,100 mm 1) |
| Sensing range | 100 mm ... 1,100 mm |
| Type of light | Visible red light |
| Light source | LED |
| Light spot size (distance) | Ø 15 mm (500 mm) |
| Wave length | 660 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/dark switching |
| Switching mode selector | Selectable via time delay selector switch |
| 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 | Male connector Q6, 6-pin, AC/UC-coded |
| Protection class | II 6) |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP65 |
| Ambient operating temperature | –40 °C ... +60 °C 7) |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 120 g |
The WTB27-3R2641 Sick Electrically Isolated Photoelectric Sensor is a rectangular photoelectric proximity sensor designed for background suppression detection. The WTB27-3R2641 Sick Electrically Isolated Photoelectric Sensor offers a 100–1100 mm sensing range, uses visible red LED at 660 nm, and delivers electrically isolated relay output. This sensor belongs to the WTB series and is used in industrial automation systems requiring stable and isolated switching.
Within industrial automation, the WTB27-3R2641 Sick Electrically Isolated Photoelectric Sensor is applied on conveyors, packaging machinery, automated assembly lines, and material handling systems. Background suppression helps maintain reliable object detection even with reflective surroundings. Light and dark switching modes allow flexible control logic, while the relay output supports direct switching of AC/DC loads without additional interface components.
The WTB27-3R2641 Sick Electrically Isolated Photoelectric Sensor combines IP65 protection, ABS housing, and a wide –40 °C to +60 °C operating range for consistent industrial performance. With defined sensing distance, relay change-over contacts, and predictable response behavior, this WTB series model reflects Sick industrial reliability standards. The WTB27-3R2641 is suitable for applications requiring dependable detection and electrical isolation.
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