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SICK WTT12L-B2532 — Proximity Sensors

SICK WTT12L-B2532 PowerProx Photoelectric Sensor, 2.5 m, Red

MPNWTT12L-B2532

SICK PowerProx photoelectric proximity sensor, background suppression, red laser, 2.5 m range, push-pull, M12 5-pin, IP67, WTT12L-B2532.

$257.81 – $397.52Ref. price · indicative, final on quote
SICK WTT12L-B2532 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

WTT12L-B2532 — Identification
ParameterValue
SeriesPowerProx
WTT12L-B2532 — Sensing
ParameterValue
Sensing distance, max.2.5 m
WTT12L-B2532 — Electrical
ParameterValue
Operating voltage, max.30 V
Operating voltage, min.10 V
Termination typeConnector, M12, 5-Pin
WTT12L-B2532 — Output
ParameterValue
Load current100 mA
WTT12L-B2532 — Mechanical
ParameterValue
Length44.2 mm
WTT12L-B2532 — Environmental
ParameterValue
Operating temperature, max.50 °C
Operating temperature, min.-35 °C
IP protection ratingIP67

Product details

The SICK WTT12L-B2532 is a PowerProx photoelectric proximity sensor with background suppression. It uses a red laser to detect objects between 50 mm and 2.5 m, ignoring the background behind the set cutoff — so it won't false-trigger on a machine frame or conveyor belt behind the target. Response time is 500 µs, fast enough to catch parts on a moderate-speed conveyor line. The push-pull output (sources or sinks 100 mA) works with most PLC input cards without a pull-up resistor. Runs on 10–30 VDC and carries IP67, so it handles washdown and damp environments — common on packaging and food lines. The M12 5-pin connector makes swap-out quick; no hardwiring into the sensor head.

Because it's active and a standard PowerProx variant, supply is steady through distribution.

Frequently asked questions

What is the closest functional second-source for WTT12L-B2532?

The WTB16I-24161120A00 is a peer in the W16 series with a similar 20 mm width and 100 mA push-pull output, but it uses an LED infrared light source with a 1.5 m range, not the 2.5 m red laser. It also has a 55.7 mm height vs. 49.6 mm, so the mounting hole pattern may not align without an adapter bracket.

What is the width and height of WTT12L-B2532?

Width is 20 mm, height is 49.6 mm, length is 44.2 mm.

Will WTT12L-B2532 drop into a panel specified around WTB16I-24161120A00 without rewiring?

No — the WTB16I uses a 4-pin M12 connector; the WTT12L-B2532 uses a 5-pin M12. Wiring and pinout differ, so you'd need to re-terminate or use an adapter cable.

MPN
WTT12L-B2532