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M3 Miniature Proximity Sensors
Designed for non-contact detection of metal objects in confined spaces. Its compact cylindrical structure provides stable detection within limited installation space. Multiple small-diameter sizes, sensing distances and output types are available, making it suitable for precision equipment, automation mechanisms, fixture positioning and high-speed counting applications.
Technical Parameters
| Product Model | M3 | |||
| Installation method | Flush | |||
| Output | NPN | NO | LJ03B-1/Z2CN1/2 | |
| NC | LJ03B-1/Z2DN1/2 | |||
| PNP | NO | LJ03B-1/Z2CP1/2 | ||
| NC | LJ03B-1/Z2DP1/2 | |||
| Two-wire | NO | LJ03B-1/Z0AN1/2 | ||
| NC | LJ03B-1/Z0BN1/2 | |||
| Housing Diameter | 3mm | |||
| Sensing Distance (Sn) | 1mm | |||
| Assured Operating Distance | 0–0.8 mm | |||
| Standard Target | 3×3×1mm Iron | |||
| Response Frequency | 3000HZ | |||
| Approx. Weight | 25g | |||
| Target Material | Ferrous metal (sensing distance is reduced for non-ferrous metals) | |||
| Output Function | NO: Normally open NC: Normally closed | |||
| Supply Voltage | 10~30V DC | |||
| Protection Circuit | Reverse polarity protection, short-circuit protection and surge protection | |||
| Load Current | ≤ 100mA | |||
| Ambient Temperature | -25 °C…70 °C | |||
| Ambient Humidity | 35-95% relative humidity | |||
| Switching Point Drift | ≤±10% | |||
| Repeat Accuracy | ≤2% (Sr） | |||
| Housing Material | Nickel-plated brass | |||
| Protection Rating | IP67 | |||
| Connection | Cable | |||
| Cable | PVC，2m * | |||
| Certification | CE | |||
Dimension
Wiring Diagram
