SICK CM30-25NNP-EW1 (CM Series) | Versatile Capacitive Proximity Sensor, M30, 4–25 mm, NPN NO+NC, Non-Flush

Overview

The CM30-25NNP-EW1 is a high-performance capacitive proximity sensor designed for non-flush applications. With a wide adjustable sensing range (4–25 mm) and dual outputs (NPN normally open and normally closed), it’s ideal for detecting various materials—including powders, liquids, and solids—through non-metallic barriers. The rugged design ensures reliable operation in challenging industrial environments.
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Key Specifications

• Construction & Mounting

  • Threaded housing: M30 × 1.5, diameter 30 mm, plastic body, IP68 / IP69K rated

  • Non-flush design, suitable for installation into non-metallic surfaces

  • Includes mounting nut and sensitivity adjustment screwdriver
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• Sensing Performance

  • Range (Sn): 4–25 mm

  • Safe sensing distance: ~19.1 mm (derated in conductive environments)

  • Switching frequency: 50 Hz

  • Sensitivity adjustable via 11-turn potentiometer
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• Electrical & Output

  • Supply voltage: 10–36 V DC; current draw: ~12 mA

  • Output: NPN, complementary (NO + NC)

  • Protected against reverse polarity, short circuit, and power-up transients
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• Environmental & Durability

  • Operating temperature: –30 °C to +85 °C (short-term +120 °C at the face)

  • High resistance to shock (30 g) and vibration per IEC standards

  • EMC compliant per EN 60947-5-2
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• Reliability

  • Extremely long mean time to dangerous failure (MTTFd): ~919 years

  • Mission time rated at 20 years
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Advantages

• Wide Detection Flexibility: Handles any material—powder, liquid, or solid—ideal for level detection or presence sensing through non-metallic surfaces

• Robust and Reliable: Protection against environmental and electrical stress ensures dependable operation with minimal maintenance

• Configurable Output: Potentiometer allows precise tuning to avoid false triggering

• Compact & Easy to Mount: M30 form factor with non-flush threading simplifies panel or surface integration

Typical Applications

• Level measurement of granular or liquid materials in tanks or hoppers

• Monitoring presence or absence of objects in packaging, pharmaceutical, and chemical processes

• OEM machine safety or automation systems requiring flexible non-contact detection hardened for wet or dusty environments

Summary

The SICK CM30-25NNP-EW1 is a versatile, durable capacitive proximity sensor delivering adjustable detection, dual switching outputs, and robust protection in a self-contained M30 form. It offers dependable performance in application zones ranging from industrial automation to hygiene-sensitive areas.