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Cylindrical M30 chrome-plated brass sensor with M12 connector

Turck

Turck NI20U-M30-AP6X-H1141 inductive sensor PNP

SKU CH-62FQ-SKWGW MPN NI20U-M30-AP6X-H1141

M30 inductive proximity switch with PNP output, factor 1 on all metals, IP68 rating and M12 connector

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • PNP output simplifies wiring for 10–30 VDC systems
  • Factor 1 detects all metals at the same 20 mm range
  • IP68 rating protects against dust and water ingress
  • Chrome-plated brass housing resists corrosion in harsh environments
  • M12 connector enables quick installation and replacement

Inductive sensor PNP for metal detection

The Turck NI20U-M30-AP6X-H1141 is a threaded-barrel proximity switch built for industrial automation. It detects all metals at the same rated switching distance of 20 mm thanks to its Factor 1 uprox®+ technology. A chrome-plated brass housing rated IP68 withstands harsh environments and strong magnetic fields.

Suited for non-flush mounting on DC control systems

This sensor fits machines that need a PNP normally-open output on a 10…30 VDC supply with an M12 × 1 connector. It is not for applications requiring flush mounting, NPN logic, NC switching behaviour, AC supply voltages, or cable-terminated connections.

Rated switching distance 20 mm at Factor 1

The 20 mm sensing range applies equally to steel, aluminium, copper and brass without correction factors. This single figure determines whether the sensor reaches the target in your specific fixture.

How it compares

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

Price $50.99
Cheaper than about 78% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameTURCK
Model nameNI20U-M30-AP6X-H1141 1646140
Product typeTest Equipment
In the box
Number of items1 pack

Questions about this item

What voltage range does the 10…30 VDC supply actually allow for reliable switching?

The sensor operates on a DC 3-wire supply from 10 V to 30 V, so any voltage within that window powers the PNP output correctly.

What clearance does the M30 × 1.5 threaded barrel need for non-flush mounting?

Because it is a non-flush design, the M30 × 1.5 chrome-plated brass barrel must protrude from the surrounding metal; the exact free zone depends on the target material and the 20 mm rated switching distance.

How do you wire the M12 × 1 male connector to get a working NO PNP signal?

Connect pin 1 to +10…30 VDC, pin 3 to 0 V, and take the load from pin 4 (black wire) to 0 V; the output goes high when metal enters the 20 mm sensing field.

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