Photoelectric Beams PB-100AT-KH TAKEX

Bunker perimeter solution description: 

Takex PB-100AT-KH Anti-Crawl Beams are available for high-security applications to detect low-level or crawling intrusion, designed specifically for use in Takex TA Series Beam Towers.

Supplied with PTKH ‘Quickfix’ mounting brackets for fast, trouble-free assembly, the beam units locate in vertical slide-channels in the TA tower spine, allowing easy and precise height adjustment.

Takex KH Beams and TA Towers are the perfect combination for reliable perimeter intrusion detection in the most demanding of situations.

For distances up to 100m (330ft) outdoor.

Photoelectric beams anti-crawl TAKEX PB-100AT-KH
Bunker perimeter security sensor reference: 


Bunker perimeter solution features: 
  • anti-crawl beam for high-security applications
  • independent activation of upper or lower 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)
  • double modulation for unsurpassed light immunity
  • 50,000 lux sunlight immunity



Product type

Photoelectric Beam Sensor

Detection system

Simultaneous breaking of 4 beams
or Upper 2 beams interruption
or Lower 2 beams interruption

Infrared beam

LED pulsed beam, Double modulation

Protection distance

Outdoor 100m (330ft) or less
Indoor 200m (660ft) or less

Max. beam range

Outdoor 1000m (3300ft) or less
Indoor 1000m (3300ft) or less

Response time

Dual response time system : 35-500msec. (AND)
100, 200, 300, 500msec. (OR)

Supply voltage

12V to 30VDC (Non-polarity)

Current consumption

85mA or less at protection

Alarm output

Dry contact relay output 1c
Reset : Interruption time + off delay 
Contact capacity : 30V AC/DC, 1A or less


Environmental output

Dry contact relay output 1c
Action : Output when weather conditions worsen
Contact capacity : 30V AC/DC, 1A or less

Alarm LED

Red LED (Receiver) | ON : when an alarm is initiated.

Attenuation LED

Red LED (Receiver) | ON: when beam is attenuated.


Modulated beam frequency selection (4-Channel)
Environmental module
Beam power selection
Alarm memory indication
Programmed AGC
Auto-gain lock function
Sound check : Audible check of beam level
Monitor jack output

Ambient temperature range

-35° C to + 66° C (-31° F to + 151° F)

Beam adjustment

Horizontal: ± 90° / Vertical: ± 10°

PMounting positions

Outdoor (Perimeter protection)




Transmitter : 300g (10.6oz) | Receiver : 400g (14.1oz)

Number of beams: 
Bunker perimeter solution type: 
Download documentation on perimeter detection product: