North America
TAKEX America Inc.

151 San Zeno Way, Sunnyvale
CA 94086, USA

(877) 371-2727
Latest news
ISC West 2018
TAKEX America, Inc. will be exhibiting at ISC-West 2018, April 11-13 2018 at the Sands Expo & Convention Center, Las Vegas NV - booth #4124. ISC ...more
ATX West 2018
We will be exhibiting at ATX West, Booth 4077 February 6-8, 2018 - Anaheim Convention Center, CA. ATX West connects you with serious automation and r ...more
(877) 371-2727
TAKEX America Inc.
151 San Zeno Way, Sunnyvale CA 94086, USA
Photoelectric Beams / PB-50HFA-KH / 100HFA-KH / 200HFA-KH SERIES



up to 165ft outdoor up to 330ft outdoor up to 660ft outdoor

KH Series Beams are designed specifically for use in our TA Series Tower Enclosures. Supplied with PTKH ‘Quick fix’ mounting brackets for fast, trouble-free assembly, the beam units locate in vertical slide-channels in the TA tower column, allowing easy and precise height adjustment.


  • 4 x synchronised high power beams
  • specifically designed for use in TA series Tower Enclosures
  • double coated electronics for demanding environments
  • supplied with ’Quick fix’ mounting brackets for easy adjustment
  • 4 selectable beam channels to prevent crosstalk
  • environmental monitoring circuit
  • dynamic auto-gain lock (AGL)
  • vivid internal body stickers aid beam alignment procedure
  • double modulation for unsurpassed light immunity
  • auto-gain control (AGC)
  • 50,000 lux sunlight immunity



  • Specifications
  • Downloads

Detection system
Simultaneous breaking of 4 beams
Infrared beam
LED pulsed beam, Double modulation
Protection distance
Outdoor 165ft or less
Indoor 330ft or less
Outdoor 330ft or less
Indoor 660ft or less
Outdoor 660ft or less
Indoor 1,320ft or less
Max. beam range (approx.)
Response time
50msec. to 700msec. (Variable at pot)
Supply voltage 12V to 30VDC (Non-polarity)
Current consumption
95mA (max)
105mA (max)
120mA (max)
Alarm output
Dry contact relay output NO/NC
Contact action : Interruption time + delay time (approx 2 sec.)
Contact capacity : 30V (AC/DC) 1A
Environmental output
Dry contact relay output NO/NC
Contact action : Output when environmental conditions worsen
Contact capacity : 30V (AC/DC) 0.5A
Alarm LED
Red LED (Receiver)
ON : when an alarm is initiated
Sensitivity attenuation LED
Red LED (Receiver)
ON : when beam reception is attenuated
Functions Modulated beam frequency selection, Tone indicator, Environmental module, Beam power selection, Alarm memory indication, Programmed AGC, Auto-gain lock function, Monitor Jack
Ambient temperature range
-31°F to +151°F
Beam adjustment
Horizontal : ±90°, Vertical : ±10°
Mounting positions
for use in TA Series Beam Towers
Weight Transmitter : 10.6oz / Receiver : 14.1oz
Appearance ABS resin

The specifications are subject to change without notice.

Instruction Manual