Parameter Details
Model GTB6-P1231
Type Through-Beam Photoelectric Sensor (Emitter + Receiver)
Detection Principle Direct Transmission
Sensing Distance Up to 10 m (Airborne)
Minimum Object Size ≥3 mm (at 10 m); smaller objects require closer distance
Light Source Infrared LED (880 nm)
Response Time ≤20 ms
Switching Output NPN, Normally Open (NO)
Supply Voltage 10–30 VDC (DC 3-Wire)
Max. Output Current 200 mA
Protection Class IP67 (IEC 60529)
Housing Material Plastic (PA 66)
Mounting M18 Thread or Mounting Bracket (Included)
LED Indicator Green (Power); Yellow (Switching Status)
Operating Temperature -25°C to +60°C
Ambient Light Immunity ≥5000 lux (Incandescent); ≥20000 lux (Fluorescent)
EMC Compliance EN 60947-5-2
Certifications CE, UL, cULus
Cable Length 2 m (PUR, 4-Pin)