The product WTB27-3S3741 is designed in accordance with European industrial standards, providing all essential technical specifications to help engineers easily select and integrate it into their systems. These specifications include measuring range/detection capability, accuracy, response time, output signal, power supply, IP protection rating, and operating environmental conditions.
Depending on the specific model and application, the device may support various connection options, communication protocols, or advanced features to meet the requirements of automation, safety, and reliability in industrial environments.
Below is the detailed technical specification table of the product:
| Features | |
| 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 |
| 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 |
| Mechanics/electronics | |
| Supply voltage UB | 20 V AC/DC … 250 V AC/DC |
| Current consumption | 35 mA |
| Power consumption | ≤ 2.5 VA |
| Switching output | Relay, electrically isolated |
| Output function | Change-over contacts |
| Switching mode | Light switching |
| 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 |
| Connection type | Cable with Q7 male connector, 7-pin, AC/UC-coded, 150 mm |
| Cable material | Plastic, PVC |
| Circuit protection | A C |
| Protection class | II |
| Weight | 140 g |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP66 IP67 |
| Usage category | AC-15, DC-13 According to EN 60947-1 |
| Ambient operating temperature | –40 °C … +60 °C |
| Ambient temperature, storage | –40 °C … +75 °C |
| UL File No. | NRKH.E181493 & NRKH7.E181493 |
| Classifications | |
| ECLASS 5.0 | 27270904 |
| ECLASS 5.1.4 | 27270904 |
| ECLASS 6.0 | 27270904 |
| ECLASS 6.2 | 27270904 |
| ECLASS 7.0 | 27270904 |
| ECLASS 8.0 | 27270904 |
| ECLASS 8.1 | 27270904 |
| ECLASS 9.0 | 27270904 |
| ECLASS 10.0 | 27270904 |
| ECLASS 11.0 | 27270904 |
| ECLASS 12.0 | 27270903 |
| ETIM 5.0 | EC002719 |
| ETIM 6.0 | EC002719 |
| ETIM 7.0 | EC002719 |
| ETIM 8.0 | EC002719 |
| UNSPSC 16.0901 | 39121528 |
