Sick GTB2S-E1331 Photoelectric Sensor
The Sick GTB2S-E1331 photoelectric sensor provides background suppression, 5–30 mm sensing range, NPN output, and PinPoint LED operation industrial. This GTB2S-E1331 Sick 30 mm Rectangular Photoelectric Sensor from Sick belongs to Sick Photoelectric Sensors and the GTB series, operating on 10–30 V DC with <0.6 ms response time, 800 Hz switching frequency, rectangular ABS housing, PVC cable connection, and IP67 enclosure rating.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Product | GTB2S-E1331 |
Sick GTB2S-E1331 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 7.7 mm x 21.8 mm x 13.5 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 1 mm ... 36 mm |
| Sensing range | 5 mm ... 30 mm |
| Type of Light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 3 mm (15 mm) |
| Wave length | 640 nm |
| Adjustment | None |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 20 mA |
| Switching output | NPN |
| Switching mode | Dark switching |
| Output current Imax. | ≤ 50 mA |
| Response time | < 0.6 ms 4) |
| Switching frequency | 800 Hz 5) |
| Connection type | Cable, 3-wire, 2 m |
| Cable material | PVC |
| Cable diameter | Ø 3 mm |
| Housing material | Plastic, ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Ambient operating temperature | –25 °C ... +50 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | 17.5 g |
The GTB2S-E1331 Sick 30 mm Rectangular Photoelectric Sensor is a compact photoelectric proximity sensor designed for precise short-range detection in industrial automation. The GTB2S-E1331 Sick 30 mm Rectangular Photoelectric Sensor operates with background suppression, a 5–30 mm sensing range, NPN switching output, and dark switching mode. It is part of the GTB series and is commonly integrated into machines requiring stable optical detection.
This photoelectric sensor is applied in conveyors, packaging equipment, automated assembly lines, and small-part handling systems. The defined Ø 3 mm light spot enables accurate object detection at close distances, while the <0.6 ms response time supports consistent operation in fast automation cycles. IP67 protection and fixed optical alignment help maintain reliable performance in typical industrial environments.
The Sick GTB2S-E1331 photoelectric sensor combines predictable optical behavior with stable electrical characteristics for industrial use. With 10–30 V DC supply, 800 Hz switching frequency, and compact ABS housing, it integrates smoothly into standard control architectures. Supported by Sick sensor engineering and the GTB series design, GTB2S-E1331 is suitable for repeatable short-distance sensing across industrial automation applications.
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