SICK CM30-25NNP-EW1 (CM Series) | Adjustable Non-Flush Capacitive Proximity Sensor — M30, 4–25 mm, NPN NO+NC, IP68/IP69K

Overview

The SICK CM30-25NNP-EW1 is a versatile capacitive proximity sensor housed in a rugged M30 threaded barrel. It delivers reliable detection of a wide range of materials—including liquids, powders, granules, and solids—through non-metallic surfaces. With dual complementary outputs and an adjustable sensing range, it brings high flexibility and precision to industrial sensing tasks.
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Key Specifications

• Sensing Range:

  • Adjustable from 4 mm to 25 mm

  • Safe operational limit: approximately 19.13 mm in conductive environments
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• Output & Connection:

  • NPN complementary switching with both NO and NC outputs

  • DC four-wire cable connection (2 m length)
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• Construction & Wiring:

  • M30 × 1.5 threaded plastic housing

  • Non-flush mounting suitable for non-metallic surfaces

  • Integrated potentiometer for fine sensitivity adjustment (11 turns)

  • Supplied with two plastic mounting nuts and a screwdriver for calibration
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• Electrical Characteristics:

  • Supply voltage: 10–36 V DC

  • Current draw: ~12 mA (no load)

  • Maximum continuous output current: 200 mA

  • Protections: reverse polarity, short-circuit, and power-up suppression included
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• Performance & Durability:

  • Switching frequency: up to 50 Hz

  • Repeatability: ≤ 5%; hysteresis: 3–20%; temperature drift ±10% of Sr

  • Operating temperature range: –30 to +85 °C, with brief front-end tolerance up to +120 °C

  • Environmental rating: IP68 / IP69K, robust against dust, water immersion, and washdowns

  • Shock & vibration resistant per IEC 60068; EMC compliant per EN 60947-5-2
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• Reliability:

  • Mean Time to Dangerous Failure (MTTFᵈ): ~919 years

  • Mission time (TM): up to 20 years
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• Mechanical Dimensions:

  • Overall length: 81 mm, thread length: 45.5 mm

  • Tightening torque: up to 7.5 Nm
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Advantages & Applications

• Highly Flexible Sensing: Adjustable detection range and complementary outputs suit a broad array of industrial use cases—from detecting liquids through tanks to solids on conveyors.

• Built for Harsh Environments: Ratings up to IP69K and PBT housing ensure operation in high-pressure washdown zones and harsh industrial conditions.

• Easy Commissioning & Calibration: Potentiometer dial and status LEDs simplify setup time and diagnostics accuracy.

• Proven Longevity: Industry-leading reliability metrics minimize maintenance and downtime.

Ideal for packaging systems, level sensing, material handling, machine automation, and applications requiring robust presence/level detection through non-conductive barriers.

Summary

The SICK CM30-25NNP-EW1 is a flexible, high-performance capacitive sensor offering adjustable range, dual NPN outputs, and industrial-grade durability in a compact M30 non-flush housing. With protective electronics and long operational lifespan, it ensures dependable performance across diverse industrial sensing scenarios.