GRTB18-N2431V
Product ID:57299
Updated: 2026/7/8
Key Features
- 1High accuracy and reliability in detecting objects within 0.118" to 3.937" (3mm to 100mm).
- 2Cylindrical housing design with a length of 73.5 mm and thread length of 49.3 mm.
- 3NPN Dark-ON/Light-ON output for easy integration into control systems.
- 4Robust stainless steel V4A (1.4404, 316L) housing for durability in harsh environments.
- 5Compact dimensions (18 mm x 18 mm x 73.5 mm) for space-efficient installations.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 18 mm x 18 mm x 73.5 mm | Housing design (light emission) | Cylindrical |
| Housing length | 73.5 mm | Thread length | 49.3 mm |
| Thread diameter (housing) | M18 x 1 | Optical axis | Axial |
| Sensing range max. | 3 mm ... 100 mm | Sensing range | 15 mm ... 100 mm |
| Type of light | Visible red light | Light source | PinPoint LED |
| Light spot size (distance) | Ø 7 mm (100 mm) | Wave length | 650 nm |
| Adjustment | None | Indication_LED green | Operating indicatorStatic on: power on |
| Indication_LED yellow | Status of received light beamStatic on: object presentStatic off: object not present | Special applications | Hygienic and washdown zones |
| Supply voltage UB | 10 V DC ... 30 V DC | Ripple | < 5 V |
| Current consumption | 30 mA | Switching output | NPN |
| Output function | Complementary | Switching mode | Light/dark switching |
| Signal voltage NPN HIGH/LOW | Approx. V#!#/ ≤ 3 V | Output current Imax. | ≤ 100 mA |
| Response time | < 500 µs | Switching frequency | 1,000 Hz |
| Connection type | Male connector M12, 4-pin | Circuit protection | A7)#!#B8)#!#D9) |
| Protection class | III | Weight | 65 g |
| Housing material | Stainless steel, Stainless steel V4A (1.4404, 316L) | Optics material | Plastic, PMMA |
| Tightening torque, max. | 90 Nm | Enclosure rating | IP67#!#IP6810)#!#IP69K11) |
| Items supplied | Fastening nuts (2 x) | Electromagnetic compatibility (EMC) | EN 60947-5-2 |
| Ambient operating temperature | –25 °C ... +55 °C | Ambient temperature, storage | –30 °C ... +75 °C |
| UL File No. | E348498 |
Specifications may be subject to change without notice
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