World-Beam Q12 Series



  • Sets a new industry standard for ultra-miniature photoelectric sensors
  • Features a housing just 22 by 8 by 12 mm, with bipolar NPN/PNP outputs
  • Available in opposed, fixed-field, and polarized and non-polarized retroreflective sensing modes
  • Delivers powerful sensing performance in extremely confined areas
  • Rated IP67 for use in the widest range of locations and applications
  • Available in models with rugged, sealed housing or PFA chemical-resistant jacket
  • Mounts directly on or inside manufacturing equipment, with robust metal-lined mounting holes consistently located on all models
  • Uses unique overmolded design for enhanced durability and shielding
  • Available in dark- or light-operate models

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Product Specifications

Supply Voltage and Current10 to 30V dc (10% max. ripple) @ less than 20 mA
Sensing RangeOpposed:2 m
Non-polarized Retroreflective:1.5, specified using one model BRT-60X40C retroreflector
Retroreflective:1 m, specified using one BRT-60X40C retroreflector
Fixed-field:15, 30 or 50 mm cutoff, depending on model
Supply Protection CircuitryProtected against reverse polarity and transient voltages
Output ConfigurationBipolar:One NPN (current sinking) and one PNP (current sourcing); light operate (LO) or dark operate (DO), depending on model
Output Rating50 mA total across both outputs with overload and short-circuit protection OFF-state leakage current:
NPN:200 µA
PNP:10 µA
ON-state saturation voltage:
NPN:1.25V @ 50 mA
PNP:1.45V @ 50 mA
Output Protection CircuitryProtected against false pulse on power-up; short-circuit protected
Output Response TimeOpposed:1.3 milliseconds ON; 900 microseconds OFF
All others:700 microseconds ON/OFF
Delay at Power-up120 milliseconds; outputs do not conduct during this time.
Repeatability175 microseconds
Switching FrequencyOpposed:385 HZ
All others:715 Hz
Indicators2 LED Indicators:
Green ON steady:power ON
Green flashing:output overloaded
Yellow ON steady:light sensed
Yellow flashing:marginal signal
ConstructionPolarized Retroreflective:Thermoplastic elastomer housing with glass lens
All others:Thermoplastic elastomer housing with polycarbonate lens
Connections2 m or 9 m attached PVC cable, or 150 mm pigtail with threaded 4-pin Pico-style quick-disconnect fitting. QD cables are ordered separately.
Operating ConditionsTemperature:-20° to +55° C
Storage temperature:-30° to +75° C
Relative humidity:90% max. @ 50° C (non-condensing)