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Cylindrical M30 inductive sensor, chrome-plated brass body, M12 connector

Turck

Turck NI20-M30-AP6X-H1141 inductive sensor PNP M30 10-30 VDC

SKU CH-KXR3-SSN4J MPN NI20-M30-AP6X-H1141

M30 inductive sensor detects all metals at 20 mm with PNP output, 10–30 VDC, IP68 rating and M12 connector

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • 20 mm sensing range on all metals thanks to Factor 1 technology
  • IP68 protection withstands water and dust in harsh environments
  • Magnetic-field immunity keeps detection stable near welds or motors
  • Wide 10–30 VDC supply fits standard industrial power rails
  • M12 connector enables quick, tool-free installation

Purpose-built proximity sensor

The Turck NI20-M30-AP6X-H1141 is a non-flush inductive sensor designed for industrial automation where reliable metal detection is required. Its Factor 1 rating ensures identical switching distances on all metals without correction factors. The M30 × 1.5 threaded brass housing suits standard mounting patterns in machine-building and process equipment. Engineers specifying sensors for welding cells or harsh environments will value the magnetic-field immunity.

Sealed for continuous operation

A chrome-plated CuZn barrel meets IP68 so the device withstands wash-down, coolant splash and temporary immersion. The extended temperature range and high switching frequency support fast cycling on conveyors or packaging lines without thermal derating. DC 3-wire 10…30 VDC supply tolerates voltage drops on long cable runs. PNP normally-open output integrates directly with common PLC input cards.

Decisive specification: 20 mm sensing range

The rated switching distance of 20 mm determines whether the sensor fits the mechanical envelope of the application. Mounting is non-flush, so the full sensing face must remain clear of surrounding metal. Buyers needing a shorter reach or flush mounting should select a different model. Order number 1646140 identifies this exact configuration for procurement systems.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 89% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameTURCK
Model nameNI20-M30-AP6X-H1141 1646140
Product typeTest Equipment
In the box
Number of items1 pack

Questions about this item

How do I mount the M30 × 1.5 threaded barrel and connect the M12 × 1 male connector correctly?

Screw the chrome-plated brass barrel into a threaded hole or use locknuts on a through-hole, then plug the M12 connector until it clicks; the non-flush design needs clear space in front of the sensing face.

What maintenance or replacement will this sensor need over time?

The IP68-rated housing and magnetic-field immunity give long life; inspect the connector seals and cable route periodically and replace the unit if the sensing face suffers mechanical damage.

What limit appears first during continuous high-speed operation?

The high switching frequency is the first boundary; sustained rapid cycling will hit that rate limit before thermal or voltage constraints become an issue.

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