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The PB-IN-75SW is an active infra-red photoelectric beam designed specifically for low-current, low-voltage use. This makes them particularly suitable for wireless applications, or difficult-to-cable-to sites without (or unstable) power. An optional Solar panel and Battery Pack (BA-6SL) is available.

They can be used with any make of wireless transmitter (or GSM diallers) to create temporary or permanent secure wireless systems, and can easily be integrated into conventional wired systems at a later date, should mains power become available.

For distances up to 75m (250ft) outdoor / 150m (500ft) indoor.

note: due to UK sunlight levels, the solar-powered (BA-6SL) option may not be suitable for UK use - please contact Takex for advice.


  • Low Current Beam for Solar / Battery powered operation
  • ideal for temporary systems, difficult-to-cable-to areas, or areas without (or unstable) mains power
  • Use with external 6V or 12VDC batteries and any-make wireless transmitters or GSM diallers (not supplied)
  • Capable of running for months on battery-power alone
  • Optional Solar Panel and Battery Pack (BA-6SL) available



  • Specifications
  • Downloads

Model PB-IN-75SW
Product type Photoelectric Beam Sensor
Detection system Simultaneous interruption of beams
Infrared beam LED pulsed beam, Double modulation
Protection distance Outdoor 75m (250ft) or less
Max. beam range Outdoor 750m (2500ft) or less
Response time 50msec. to 700msec. variable (Standard : 50msec.)
Supply voltage 5V to 8VDC or 10V to 30VDC (with-polarity)
Current consumption 5V to 8VDC : 6mA or less when armed
10V to 30VDC : 25mA or less when armed
Alarm output Dry contact relay Form C
Reset : Interruption time + off delay 2 secs.
Contact capacity : (30V AC/DC) 1A
Environmental output Dry contact relay Form C
Action : Output when weather conditions worsen
Contact capacity : 30V (AC/DC) 0.5A or less
Tamper output Dry contact relay Form B
Action : Activated when cover is removed
Contact capacity : 30V (DC) 0.1A or less
Alarm LED Red LED (Receiver)
ON : when an alarm is initiated.
Attenuation LED Red LED (Receiver)
ON : when beam is attenuated.
Functions Modulated beam frequency selection (4-Channel)
Environmental fade out monitor
Beam strength monitor output
Ambient temperature range -25°C to +60°C (-13°F to +140°F)
Mounting positions Outdoor (Perimeter protection)
Wiring Terminals
Weight Transmitter : 1200g (42oz)
Receiver : 1300g (45.5oz)
Appearance PC resin (wine red)

Instruction Manual
Supplementary Information for Battery / Wireless operation