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Designed for applications involving coverage at the threshold of a doorway, the PS-520E uses passive infra-red technology to detect the differential between a human body and the floor. It features several field selectable options and adjustments to make it the ideal choice for access control applications, door strike release, alarm system shunting and automatic door operation.


  • Dual Pyro for increased stability against external light
  • High immunity to RFI and other electrical noise
  • Adjustable Coverage Area
  • Adjustable Sensitivity
  • Suitable for Single or Double doors
  • Overhead or Wall Mounting options
  • Adjustable relay Timer: 0.25 to 60 seconds
  • Two "Heavy-Duty" Relay Outputs (up to 1A) for controlling Door Strikes and Magnetic Locks
  • Fail Safe/Fail Secure (selectable)
  • Compact Design



  • Specifications
  • Downloads

Model PS-520E
Product type Request-to-Exit Door Sensor
Detection system Passive Infrared
Detection area Mounting height: 4m (13ft) max.
Pattern: Single Door/Double Door (selectable)
Adjustment: 8 steps (wall mount) / 5 steps (overhead mount)
Sensitivity: adjustable
Power supply
12-24VDC (non polarity) or 12-24VAC (50Hz/60Hz)
(when operated at AC20-24V, connect attached resistor)
Power consumption 40mA or less/DC
70mA or less/AC
Output Dry contact relay 2c
Operation: one shot
Hold time: approx 0.25sec to 60sec (adjustable)
Contact capacity: 30V(DC) 1A or less/125V (AC) 0.6A or less
*selectable relay operation
LED Green
Operation: synchronous dry contact relay (LED disabled)
Wiring connection Terminals
Ambient temperature range -10°C to +50°C (+14°F to +122°F)
Mounting position Wall, ceiling, on or under frame (indoor)
Weight 170g (5.95oz)
Appearance Cover: ABS resin
Window: PE resin
Accessories Tapping screw: 2pcs
Resistor (82Ω, 3W): 1pc (connect when operated at AC20-24V)
Cover locking screw: 1pc 

Instruction Manual