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SICK WL12 Series

76 variants · SICK

About the SICK WL12 Series

The SICK WL12 Series series groups 76 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common sensor type of Retro-Reflective Sensor. Variants differ by height, IP rating and light type, so you can match the exact height your application requires using the selection guide below.

Select a variant by

Height
48.5 mm · 49 mm
IP rating
IP66 / IP67 / IP69K · IP67 / IP69K
Light type
LED, Red · Red Laser
Response time
200 us · 330 us
Switching type
Dark-ON, Light-ON · Light-ON / Dark-ON
Width
15 mm · 15.6 mm
Length
41.5 mm · 42 mm

Shared specifications

Sensor type
Retro-Reflective Sensor

Variant comparison

ParameterWL12G-3B2531WL12G-3O2431WL12L-2B530
Height48.5 mm48.5 mm49 mm
IP ratingIP66 / IP67 / IP69KIP66 / IP67 / IP69KIP67 / IP69K
Light typeLED, RedLED, RedRed Laser
Response time330 us330 us200 us
Switching typeDark-ON, Light-ONLight-ON / Dark-ONDark-ON, Light-ON
Width15.6 mm15.6 mm15 mm
Length42 mm41.5 mm

Request a quote on any SICK WL12 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants