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NAMUR Proximity Sensor M18 | 5 mm to 70 mm Sensing Range | IP67 Rated | 1000 Hz Switching Frequency | by SICK
The NAMUR Proximity Sensor M18 is designed for precise position detection in industrial automation, featuring a sensing range of 5 mm to 70 mm and a high switching frequency of 1,000 Hz. With an IP67 rated enclosure, it ensures reliable performance in dusty and wet environments, making it ideal for hazardous area sensing and machine safety applications.
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Technical Specifications
- Thread size: M18 x 1
- Sensing range Sn: 5 mm to 70 mm
- Safe sensing range Sa: 56.7 mm
- Magnetic sensitivity: 0.7 mT
- Switching frequency: 1,000 Hz
- Connection type: 2-wire cable, 2 m length
- Switching output: NAMUR per EN 60947-5-6
- Electrical wiring: DC 2-wire
- Magnetic alignment: Axial
- Enclosure rating: IP67
- Ripple: ≤ 5%
- Time delay before availability: ≤ 2 ms
- Hysteresis: ≤ 25%
- Reproducibility: ≤ 1%
- Temperature drift: ± 10%
- EMC: According to EN 60947-5-2
- Current consumption activated: ≥ 2.3 mA
- Current consumption not activated: ≤ 1 mA
- Cable material: PVC
- Conductor size: 0.34 mm²
- Cable resistance: ≤ 50 Ω
- Wire-break, reverse polarity, and short-circuit protection included
- Shock and vibration resistance: 30 g, 11 ms / 10-55 Hz, 1 mm
- Operating temperature: –25 °C to +70 °C
- Housing material: Nickel-plated brass
- Housing length: 50 mm
- Thread length: 40 mm
- Tightening torque max: ≤ 25 Nm
- Type approval: TÜV 19 ATEX 241335, UL22UKEX2385
- ATEX marking: EX II 1G Ex ia IIC T6 Ga EX II 1D Ex ia IIIC T 200 85 °C Da
- Input voltage max: 16 V
- Input power max: 100 mW
- Input current max: 30 mA
- Internal capacitance max: 130 nF
- Internal inductance max: 10 µH
- Nominal voltage: 8.2 V DC
- Dimensions (H x L x W): 50mm x 50mm x 18mm
- Weight: 0.1 kg
Key Features
- Metric M18 x 1 housing with 5 mm to 70 mm sensing range
- NAMUR switching output with control current per EN 60947-5-6
- High switching frequency of 1,000 Hz
- IP67 rated enclosure for dust and water protection
- Robust metal nickel-plated brass housing
- Wire-break, reverse polarity, and short-circuit protection
- Shock and vibration resistant (30 g, 11 ms / 10-55 Hz, 1 mm)
- ATEX certified for explosive atmospheres (EX II 1G Ex ia IIC T6 Ga)
Professional Installation Requirements
- Installation must be performed by qualified personnel familiar with ATEX certified equipment and electrical safety standards.
Applications
- Industrial automation for position detection
- Hazardous area sensing with ATEX certification
- Machine safety and control systems
Standards & Compliance
- AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
- Low power consumption with input power max 100 mW
- Durable metal housing extends product life reducing waste
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for details.
Available Now
The SICK MM18-70A-N-ZW0 NAMUR Proximity Sensor is available for immediate purchase, ideal for industrial automation and hazardous area sensing applications.
