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Red cylindrical M12 proximity switch 74mm long with cable

Wenglor

Wenglor IB040NK74XB proximity switch M12 4mm 74mm

SKU CH-RVCA-5QBAY MPN IB040NK74XB

M12-thread proximity switch detects metal at 4 mm with a 74 mm housing and 2 m cable

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • M12 thread enables direct panel mounting
  • 4 mm sensing range detects objects at close distance
  • 74 mm housing length fits standard installation depths
  • AC normally-open output simplifies control wiring
  • 2 m two-wire cable provides ready-to-use connection

Industrial proximity switch

The Wenglor IB040NK74XB is an M12 inductive sensor built for machine builders and maintenance engineers who need reliable presence detection on conveyors, clamping fixtures or tooling. It mounts non-flush with a 4 mm sensing range and a normally-open AC output that integrates directly into 2-wire control circuits. The 74 mm threaded barrel fits standard M12 mounting holes in metal frames or plastic brackets.

Passive thermal behaviour

As a solid-state sensor without active cooling, the switch generates negligible heat and operates silently in normal industrial environments. Power draw is limited to the load current of the connected AC circuit, so there is no separate supply rail to size. The epoxy-sealed housing resists oil, coolant and vibration without fan noise or thermal throttling concerns.

Two-metre cable simplifies wiring

The factory-fitted 2-wire cable runs two metres, letting installers route directly to a terminal strip or PLC input card without extra connectors or junction boxes. Red housing colour aids visual identification in dense sensor banks. A three-year parts and one-year labour warranty backs the unit against manufacturing defects.

Highlights

  • M12 thread enables direct panel mounting
  • 4 mm sensing range detects objects at close distance
  • 74 mm housing length fits standard installation depths
  • AC normally-open output simplifies control wiring
  • 2 m two-wire cable provides ready-to-use connection

Specifications

BrandWenglor
ModelIB040NK74XB
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

Questions about this item

How do I install the M12 threaded housing and what is the common mistake with the 4 mm non-flush sensing range?

Screw the M12 housing into the mounting bracket and keep metal at least 12 mm clear of the 4 mm sensing face; the usual error is mounting it flush, which cuts the range.

What maintenance will the 2‑wire AC cable need after the 3‑year parts period?

Inspect the 2 m cable jacket and connector for abrasion or oil ingress; replace the cable if the insulation shows cracking or the conductors are exposed.

At what point does the AC output circuit limit continuous operation?

The AC output is rated for standard switching duty; sustained loads beyond the specified switching frequency will cause the first thermal limit.

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