Inductive Proximity Sensor M18 | IP67 Rated | 8mm Sensing Range | Normally Closed Output | by SICK
The Inductive Proximity Sensor M18 is designed for reliable object detection in industrial automation. With an IP67 rating for dust and water protection, it operates effectively in harsh environments. This sensor features a sensing range of 8 mm and supports both AC and DC wiring, making it ideal for machine safety and control systems, as well as manufacturing process monitoring.
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- Supply voltage: 20 V AC/DC to 250 V AC/DC
- Voltage drop: ≤ 6.5 V AC, ≤ 6 V DC
- Time delay before availability: ≤ 8 ms
- Hysteresis: 1% to 15%
- Reproducibility: ≤ 10%
- Temperature drift of sensing range: ± 10%
- EMC compliance: EN 60947-5-2, EN 55011 class B
- Continuous current Ia: ≤ 350 mA (varies by condition)
- Off-state current: ≤ 2.5 mA (AC 250 V), ≤ 1.3 mA (AC 110 V), ≤ 0.8 mA (DC 24 V)
- Minimum load current: ≥ 5 mA
- Short-time withstand current: 2.2 A
- Cable material: PUR, conductor size 0.5 mm²
- Shock and vibration resistance: 30 g, 11 ms / 10 ... 55 Hz, 1 mm
- Ambient operating temperature: -25 °C to +80 °C
- Housing material: Brass, nickel-plated
- Sensing face material: Plastic, PBT
- Tightening torque max: ≤ 35 Nm
- Protection class: II
- Rated insulation voltage Ui: 250 V AC
- Usage category: AC-140, DC-13
- Contamination rating: 3
- Rated impulse withstand voltage: 4 kV
- Dimensions (H x L x W): 18mm x 80mm x 18mm
- Weight: 0.1 kg
- Standard design housing with brass, nickel-plated material
- Thread size M18 x 1 with non-flush installation type
- Sensing range of 8 mm with safe sensing range of 6.48 mm
- Switching frequency up to 50 Hz
- Cable connection type, 2-wire, 2 m length
- Output function normally closed (NC)
- Electrical wiring supports AC/DC 2-wire
- Enclosure rating IP67 for dust and water protection
- Shock and vibration resistance: 30 g, 11 ms / 10 ... 55 Hz, 1 mm
- Ambient operating temperature range from -25 °C to +80 °C
- Protection class II with rated insulation voltage of 250 V AC
- Short-circuit and power-up pulse protection included
- Installation should be performed by a qualified electrician or technician familiar with industrial sensor wiring and safety standards.
- Industrial automation for object detection
- Machine safety and control systems
- Manufacturing process monitoring
- Conveyor and material handling systems
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Durable design reduces waste and replacement frequency
- Energy-efficient operation minimizes power consumption
Standard manufacturer warranty applies; please refer to SICK's official warranty policy.
The SICK IM18-08NUO-ZU0 inductive proximity sensor is available for immediate purchase, ideal for industrial automation and safety control applications.
