Wenglor INTT251 Inductive Sensor
The Wenglor INTT251 Inductive Sensor offers 25 mm switching distance, 10 ... 30 V DC supply voltage, 50 Hz switching frequency, M12 × 1; 4-pin connection. Manufactured by Wenglor under the Wenglor Inductive Sensor category, this model belongs to the Wenglor Inductive Series.

Wenglor INTT251 Inductive Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Switching Distance | 25 mm |
| Compatible with | INTT220 |
| Supply Voltage | 10 ... 30 V DC |
| Supply Voltage with IO-Link | 18 ... 30 V DC |
| Current Consumption (Ub = 24 V) | < 15 mA |
| Switching Frequency | 50 Hz |
| Temperature range of the plug | 0 ... 70 °C |
| Number of Switching Outputs | 2 |
| Switching Output Voltage Drop | < 1 V |
| Switching Output/Switching Current | 100 mA |
| Residual Current Switching Output | < 100 µA |
| Short Circuit Protection | yes |
| Reverse Polarity Protection | yes |
| Overload Protection | yes |
| Interface | IO-Link V1.1 |
| Protection Class | III |
| Analysis module material | Brass, nickel-plated |
| Degree of protection, sensor head | IP50 |
| Degree of protection of the plug | IP50 |
| Connection | M12 × 1; 4-pin |
| Cable Length (L) | 20 m |
| Cable Jacket Material | Plastic, PFA |
| Outer diameter cable | 3.7 mm |
| Bending Radius | > 18.5 mm |
| PWIS-free | yes |
| Weight | 977 g |
| MTTFd (EN ISO 13849-1) | 3,706.54 a |
| Error Indicator | yes |
| Programmable switching distance | 15/20/25 mm |
| IO-Link | yes |
| Error Output | yes |
| PNP NO | yes |
| Output | Push-pull NPN PNP |
| Circuit | NC NC/NO NO |




