SICK WTB2 Proximity Sensors Series

21 variants · SICKAll Proximity Sensors →

About the SICK WTB2 Proximity Sensors Series

The SICK WTB2 Proximity Sensors Series series groups 21 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by height, IP rating and length, so you can match the exact height your application requires using the selection guide below.

Select a variant by

Height: 21.8 mm · 53 mm · 65 mm · 80.6 mm
IP rating: IP66 / IP67 · IP67 · IP69
Length: 13.5 mm · 43.9 mm · 54 mm · 83 mm
Response time: 3 ms · 10 ms · 400 us · 500 us
Switching type: Dark-ON, Light-ON · Light-ON
Width: 7.7 mm · 20 mm · 24.6 mm · 25 mm
Light type: Infrared, LED · LED, Red

Variant comparison

Parameter	WTB27-3S1511	WTB250-2P2431	WTB250-2P2451	WTB26P-24161120A00Z	WTB2S-2P3110	WTB2S-2P3160
Height	80.6 mm	65 mm	65 mm	53 mm	21.8 mm	21.8 mm
IP rating	IP66 / IP67	IP67	IP67	IP69	IP67	IP67
Length	54 mm	43.9 mm	43.9 mm	83 mm	13.5 mm	13.5 mm
Response time	10 ms	3 ms	3 ms	500 us	400 us	500 us
Switching type	Light-ON	Dark-ON, Light-ON	Dark-ON, Light-ON	Dark-ON, Light-ON	Light-ON	Light-ON
Width	24.6 mm	20 mm	20 mm	25 mm	7.7 mm	7.7 mm
Light type	Infrared, LED	LED, Red	LED, Red	LED, Red	—	—

Request a quote on any SICK WTB2 Proximity Sensors Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.