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NAMUR Proximity Sensor M12 | 5mm to 70mm Sensing Range | IP67 Rated | by SICK
The NAMUR Proximity Sensor M12 is designed for precise position detection in industrial automation, featuring a sensing range from 5 mm to 70 mm and an IP67 rated enclosure for dust and water protection. With a high switching frequency of 1,000 Hz and ATEX certification, this sensor is perfect for hazardous area applications, ensuring safety and reliability in explosive environments.
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Technical Specifications
- Housing: Metric M12 x 1 thread, metal nickel-plated brass
- 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: Male connector M12, 4-pin
- Switching output: NAMUR (control current 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 of Sr: ± 10%
- EMC: According to EN 60947-5-2
- Current consumption activated: ≥ 2.3 mA
- Current consumption not activated: ≤ 1 mA
- Cable resistance: ≤ 50 Ω
- Wire-break, reverse polarity, short-circuit protection: Yes
- Shock and vibration resistance: 30 g, 11 ms / 10 ... 55 Hz, 1 mm
- Operating temperature: -25 °C to +70 °C
- Housing length: 62.5 mm
- Thread length: 40 mm
- Tightening torque max: ≤ 7 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
- Ex area category: 1G, 1D
- 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): 62.5mm x 62.5mm x 12mm
- Weight: 0.1 kg
Key Features
- Metric M12 x 1 threaded metal housing with nickel-plated brass
- Sensing range from 5 mm to 70 mm with safe sensing range of 56.7 mm
- NAMUR switching output with DC 2-wire electrical wiring
- High switching frequency of 1,000 Hz
- IP67 rated enclosure for dust and water protection
- Shock and vibration resistant (30 g, 11 ms / 10 ... 55 Hz, 1 mm)
- Wire-break, reverse polarity, and short-circuit protection
- ATEX certified for use in explosive atmospheres (EX II 1G Ex ia IIC T6 Ga EX II 1D Ex ia IIIC T 200 85 °C Da)
- Operating temperature range from -25 °C to +70 °C
- Includes mounting nuts (brass, nickel-plated)
Professional Installation Requirements
- Installation should be performed by qualified personnel familiar with NAMUR sensors and ATEX certified equipment to ensure compliance with safety standards.
Applications
- Industrial automation for position detection
- Hazardous area sensing with ATEX certification
- Machine safety and control systems
- Process control in explosive atmospheres
Standards & Compliance
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Durable metal housing extends product life reducing waste
- Low power consumption (max 100 mW) supports energy efficiency
- Certified for safe use in hazardous environments minimizing risk of accidents
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for specific warranty terms.
Available Now
The SICK MM12-70A-N-ZC0 NAMUR Proximity Sensor is available for immediate purchase, ideal for industrial automation and hazardous area sensing applications.
