WTT12L-A3543

Product ID:59052
Updated: 2026/7/7
sick WTT12L-A3543

Key Features

  • 1Detects objects from 50 mm to 1,800 mm with high accuracy.
  • 2Advanced detection principle for clear object recognition.
  • 3Durable and resistant to harsh environments with an IP67 rating.
  • 4Switching output in PNP/NPN and analog output options available.
  • 5Fast response time of 0.5 ms for quick object detection.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression, Optical time-of-flight
Housing design (light emission)
Rectangular
Sensing range max.
50 mm ... 1,800 mm
Sensing range
100 mm ... 1,800 mm2)#!#3)
Distance value_Measuring range
100 mm ... 1,800 mm1)
Distance value_Resolution
1 mm
Distance value_Repeatability
0,9 mm ... 1,3 mm4)5)6)
Distance value_Accuracy
Typ. ± 15 mm
Type of light
Visible red light
Light source
Laser
Light spot size (distance)
Ø 12 mm (1,800 mm)
Wave length
658 nm
Laser class
1 (IEC 60825-1 / CDRH 21 CFR 1040.10 & 1040.11)
Adjustment
Single teach-in button (2 x)
Safety-related parameters_MTTFD
124 years
Safety-related parameters_DCavg
0 %
Safety-related parameters_TM(mission time)
20 years
Supply voltage UB
12 V DC ... 30 V DC
Ripple
< 5 V
Current consumption
70 mA
Switching output
Push-pull: PNP/NPN
Number of switching outputs
1 (Q#!#)
Switching mode
Light switching
Output current Imax.
≤ 50 mA
Response time
≤ 16.7 ms
Switching frequency
30 Hz
Analog output
4 mA ... 20 mA (≤ 450 Ω) / 0 V ... 10 V (≥ 50 kΩ) / switchable
Resolution of analog output
12 bit
Output time
≤ 16.7 ms
Input
Sender off
Circuit protection
A8)#!#B9)#!#C10)
Protection class
III
Enclosure rating
IP67
Warm-up time
< 15 min
Initialization time
< 300 ms
Dimensions (W x H x D)
20 mm x 49.6 mm x 44.2 mm
Housing material
Plastic, VISTAL®
Optics material
Plastic, PMMA
Weight
48 g
Connection type
Cable with plug M12, 5-pin, 0.3 m
Connection type Detail_Conductor cross section
0.14 mm²
Connection type Detail_Cable material
Plastic, PVC

Specifications may be subject to change without notice

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