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M18 Proximity Sensor | Stainless Steel | IP68 & IP69K Rated | 20mm Sensing Range | by SICK
The M18 Proximity Sensor is designed for robust industrial automation, featuring a stainless steel housing and an IP68/IP69K rating for high protection in hygienic and washdown zones. With a sensing range of 20 mm and a switching frequency of 200 Hz, it’s perfect for applications requiring reliable non-flush sensing. Built to withstand harsh conditions, this sensor ensures durability and compliance with safety standards.
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Technical Specifications
- Supply voltage: 10 V DC to 30 V DC
- Ripple: ≤ 20%
- Voltage drop: ≤ 2 V
- Time delay before availability: ≤ 40 ms
- Hysteresis: 1% to 15%
- Reproducibility: ≤ 5%
- Temperature drift of sensing range: ≤ 10%
- EMC compliant according to EN 60947-5-2
- Continuous current Ia: ≤ 200 mA
- Short-circuit and power-up pulse protection included
- Shock and vibration resistance: 30 g, 11 ms / 10 to 55 Hz, 1 mm
- Ambient operating temperature: -25 °C to +85 °C
- Housing and sensing face material: Stainless steel V4A (DIN 1.4404 / AISI 316L)
- Protection class: III
- UL File No.: E191603
- Dimensions (H x L x W): 63.5mm x 63.5mm x 18mm
- Weight: 0.1 kg
Key Features
- Metric housing with M18 x 1 thread size
- Non-flush installation type
- Sensing range of 20 mm with safe sensing range of 16.2 mm
- Switching frequency of 200 Hz
- NPN normally open switching output with DC 3-wire electrical wiring
- Male connector M12, 4-pin connection type
- Enclosure rating IP68 and IP69K for high protection
- Sensing face made of stainless steel V4A, resistant to cleaning agents
- Triple sensing range and visual adjustment indicator
- Includes mounting nut and washers made of V4A stainless steel
Professional Installation Requirements
- Professional installation by a qualified electrician or technician is recommended to ensure correct wiring and mounting according to safety standards.
Applications
- Hygienic and washdown zones
- Difficult application conditions requiring robust sensing
- Industrial automation requiring non-flush proximity sensing
Standards & Compliance
- Complies with AS/NZS 3000 – Wiring Rules (Electrical Installation)
- Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
- Durable stainless steel construction reduces replacement frequency and waste
- High resistance to cleaning agents supports hygienic environments and reduces chemical usage
Warranty Information
Standard manufacturer warranty applies; please refer to SICK for detailed warranty terms.
Available Now
The SICK IM18-20NNS-NC1 proximity sensor is available for immediate purchase, ideal for industrial automation and hygienic zone applications.
