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Cylindrical inductive sensor with M30×1.5 threaded plastic barrel, terminal chamber, IP68 rating

Turck

Turck NI20U-P30SK-AP6X 1646700 inductive sensor PNP M30×1.5 IP68

SKU CH-P0YG-2BF16 MPN NI20U-P30SK-AP6X

M30×1.5 threaded inductive sensor detects all metals at 20 mm with PNP output, IP68 protection and magnetic-field resistance

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • 20 mm sensing range detects all metals equally with Factor 1
  • IP68 rating withstands harsh environments and liquid ingress
  • Magnetic field resistance ensures reliable operation near welding equipment
  • Extended temperature range maintains performance in extreme conditions
  • PNP NO output with terminal chamber simplifies wiring and installation

Industrial inductive sensor

The Turck NI20U-P30SK-AP6X is a PNP output inductive sensor built for factory automation and machine-building applications. Its M30 × 1.5 threaded barrel and non-flush mounting suit conveyor lines, press tools and robotic cells. The PA12-GF30 housing meets IP68 so it survives wash-down, coolant splash and temporary immersion. Electrical connection uses a terminal chamber for secure field wiring.

Upgrade from flush or factor-limited sensors

This unit replaces flush-mount models that cannot clear metal chips or sensors with reduced sensing on non-ferrous targets. The uprox®+ factor 1 design gives the full 20 mm switching distance on steel, aluminium, copper and brass alike. Auto-compensation prevents pre-attenuation when metal debris builds up on the face. The jump is worth it when mounting space demands non-flush fit and target materials vary across the line.

Stable output under continuous cycling

High switching frequency supports rapid part detection without signal loss during long production shifts. Magnetic-field immunity keeps the output clean near welding guns or large contactors. Extended temperature range and IP68 sealing maintain consistent sensing distance from cold start through sustained thermal load. The 10…30 VDC supply tolerance absorbs bus fluctuations common in cabinet environments.

How it compares

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

Price $60.99
Cheaper than about 74% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameTURCK
Model nameNI20U-P30SK-AP6X 1646700
Product typeTest Equipment
In the box
Number of items1 pack

Questions about this item

What thread size and clearance does the M30×1.5 barrel need for non-flush mounting?

The sensor uses an M30×1.5 threaded barrel made of PA12-GF30 plastic and requires a non-flush mounting cut-out so the sensing face sits clear of surrounding metal.

How do you wire the DC 3-wire PNP output in the terminal chamber, and which step is often missed?

Connect 10…30 VDC to the supply terminals, the load to the PNP output and 0 V to the common terminal; the step often missed is securing the cable gland to keep the IP68 seal intact.

When should the sensor be replaced if the auto-compensation can no longer correct for pre-attenuation?

Replace the unit when the rated 20 mm switching distance on all metals drops noticeably or the output fails to switch at the specified 10…30 VDC supply range.

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