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Rectangular plastic sensor housing with potentiometer adjustment and M16 gland connection

Sick

Sick WT34-R250 Photoelectric Proximity Sensor electrician tool

SKU CH-P1G7-0KVSG

A photoelectric proximity sensor with background suppression, 100 mm to 1200 mm sensing range, visible red LED, relay output, IP67 enclosure and 20 V to 250 V AC/DC supply

  • Sensing range from 100 mm to 1200 mm with background suppression
  • Operates on 20 V to 250 V AC/DC supply voltage
  • IP67 enclosure rating protects against dust and water ingress
  • Relay output with change-over contacts handles 4 A switching current
  • Adjustable off-delay timer from .5 s to 10 s via selector switch

Industrial photoelectric sensor for automation

The Sick WT34-R250 is a rectangular photoelectric proximity sensor that uses visible red LED light with background suppression to detect objects at distances from 100 mm to 1,200 mm. It is built for electricians and automation engineers who need reliable presence detection on conveyors, packaging lines or machine guarding applications where ambient light varies.

ABS housing with IP67 rating and gland entry

The sensor measures 27 mm by 92 mm by 70 mm and weighs 140 g, enclosed in ABS plastic rated IP67 for dust and water protection. A terminal connection with an M16 cable gland provides secure wiring for the 20 V to 250 V AC/DC supply, while the potentiometer and selector switches allow on-site adjustment of sensing range, light or dark switching and an off-delay of 0.5 s or 10 s.

Relay output switching at 10 Hz with low consumption

An electrically isolated change-over relay handles up to 4 A at 250 V AC or 24 V DC, consuming less than 2 VA. Response time is 10 ms at a 10 Hz switching frequency, suitable for medium-speed counting or sorting tasks. The unit operates from –40 °C to +60 °C and meets usage categories AC-15 and DC-13 per EN 60947-1, with protection classes A and C built in.

Highlights

  • Sensing range from 100 mm to 1200 mm with background suppression
  • Operates on 20 V to 250 V AC/DC supply voltage
  • IP67 enclosure rating protects against dust and water ingress
  • Relay output with change-over contacts handles 4 A switching current
  • Adjustable off-delay timer from .5 s to 10 s via selector switch

Specifications

BrandSICK
ModelSICK WT34-R250

Questions about this item

What sensing range does the 660 nm red LED cover?

The sensor detects from 100 mm to 1200 mm with a 40 mm light spot at maximum distance.

What are the housing dimensions and mounting footprint?

The rectangular ABS housing measures 27 mm wide, 92 mm high and 70 mm deep with an M16 cable gland.

How do you wire the relay output and set the switching mode?

Connect supply voltage 20 V to 250 V AC/DC to the terminal block, then use the light/dark selector to choose switching mode.

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