SICK GTB6-P4231 1079712 Photoelectric Proximity Sensor PNP 400mm

SICK GTB6-P4231 is a miniature photoelectric proximity sensor with background suppression from the G6 series. Visible red light detection with a 5 mm to 400 mm sensing range. PNP output with selectable light/dark switching. M8 4‑pin male connector. Ideal for short‑to mid‑range detection tasks in high‑speed packaging, material handling, and assembly automation.

Applications:

• High‑speed conveyor object presence and positioning

• Packaging machinery for product counting and sorting

• Automated assembly line part detection

• Material handling and logistics automation

Core Specifications:

• Functional principle: Photoelectric proximity sensor, background suppression

• Sensing range max.: 5 mm … 400 mm (90% reflectance)

• Typical sensing range: 50 mm … 220 mm

• Light source: PinPoint LED, visible red light (625 nm wavelength)

• Light spot size: Ø 6 mm (at 100 mm distance)

• Supply voltage: 10 V DC … 30 V DC

• Switching output: PNP

• Switching mode: Light/dark switching (selectable)

• Output current: ≤ 100 mA

• Response time: ≤ 1.2 ms

• Switching frequency: 500 Hz

• Adjustment: Mechanical spindle, 5 turns

• Enclosure rating: IP67

• Housing material: Plastic (ABS/PC)

• Optics material: PMMA

• Dimensions (W × H × D): 12 mm × 31.5 mm × 21 mm

• Connection: M8 male connector, 4‑pin

• Weight: 60 g

Advanced Specifications:

• Ambient operating temperature: –25 °C … +55 °C

• Storage temperature: –40 °C … +70 °C

• No‑load current consumption: ≤ 32 mA

• Protection circuits: Reverse polarity, short‑circuit, overcurrent

• Protection class: III

• UL File No.: NRKH.E348498 & NRKH7.E348498

System Integration:

• Mounts via two through‑holes with standard 1‑inch spacing, compatible with a wide range of SICK bracket systems.

• The M8 4‑pin male connector mates with standard M8 female cables.

• Wire pin 1 to V+, pin 3 to V‑, and pin 4 to the PNP PLC input. Select light‑on or dark‑on mode using the L/D selector.

• Adjust the sensing threshold by turning the mechanical spindle (5 turns).

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information (CE, cULus, RoHS).

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