Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
WTB8-P2131 — Photoelectric Proximity Sensor
proximity sensorPart number: WTB8-P2131
The SICK WTB8-P2131 (6033207) is a W8 photoelectric proximity sensor with background suppression. It uses a visible red LED, a PNP output with selectable light/dark switching, and a three-pin M8 connector. The listed sensing range is 40–300 mm, adjustable by a four-turn potentiometer. Its rectangular housing is rated IP67. Verify electrical and mechanical requirements for the intended installation.
Looking for SICK WTB8-P2131? This catalogue reference is listed under proximity sensor. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | SICK |
|---|---|
| Part number | WTB8-P2131 |
| Category | Sensors & automation |
| Item Type Name | Photoelectric Proximity Sensor |
| Product Family / Series | W8 |
| Part Number | WTB8-P2131 |
| Order Code | 6033207 |
| Functional Principle | Photoelectric proximity sensor with background suppression |
| Housing Design | Rectangular |
| Mount Type | Panel Mount |
| sensing_range | 40–300 mm |
| sensing_range_max | 30–300 mm |
| light_source | LED |
| light_type | Visible red LED, 650 nm |
| wavelength | 650 nm |
| light_spot_size | Ø 20 mm at 300 mm |
| adjustment | Four-turn potentiometer |
| supply_voltage | 10–30 V DC |
| voltage_ripple | ± 10 % |
| current_consumption | 30 mA |
| switching_output | PNP; selectable light/dark switching |
| switching_mode | Light/dark switching |
| switching_mode_selector | Selectable via light/dark rotary switch |
| signal_voltage_pnp_high_low | Approx. VS – 1.8 V / 0 V |
| output_current_max | ≤ 100 mA |
| response_time | ≤ 0.5 ms |
| switching_frequency | 1,000 Hz |
| connection_type | M8 connector, 3-pin |
| housing_material | Plastic, ABS |
| optics_material | Plastic, PMMA |
| enclosure_rating | IP67 |
| ambient_operating_temperature | −25 to +55 °C |
| ambient_storage_temperature | –40 °C to +70 °C |
| led_service_life | 100,000 h at +25 °C |
| Items Supplied | BEF-W100-A stainless steel mounting bracket; confirm actual supply contents |
| Weight | 10 g |
| Dimensions | 11 × 31 × 20 mm (W × H × D) |
| Reference status | Published catalogue reference; confirm specification and fitment before ordering |
| Availability | On request |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What is the sensing range of the WTB8-P2131, and can it be adjusted?
The listed sensing range is 40–300 mm; the maximum sensing range is listed separately as 30–300 mm. A four-turn potentiometer adjusts the sensing distance. Actual detection should be checked with the intended target and background.
What power supply, output and connector does the WTB8-P2131 use?
It operates on 10–30 V DC and has a PNP switching output with selectable light or dark switching. The sensor has a three-pin M8 connector. Check the control input and wiring requirements before ordering.
Can the WTB8-P2131 replace the sensor on my machine?
It is a W8 photoelectric proximity sensor with background suppression, but machine-specific fitment is not established. Compare the existing sensor part number, connector, supply, output, mounting and sensing range; provide the machine model and serial number for verification.
What are the enclosure rating, size and operating temperature of the WTB8-P2131?
The sensor is rated IP67 and measures 11 × 31 × 20 mm (width × height × depth). Its specified operating ambient temperature is −25 to +55 °C. Check that the installation conditions meet the rating.
Does the WTB8-P2131 include a mounting bracket?
The published specification lists a BEF-W100-A stainless steel mounting bracket with the sensor. Confirm the contents of the specific supply before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.