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WPC-5527
Photometric Controller

photometric controller

  • The WPC-5577 Photometric Controller, mounted in the relay panel, switches Douglas 2-wire switches, relays or relay scanners in response to measured ambient light levels
  • The Photometric Controller can signal other lighting control devices (such as timers) or systems via auxiliary contacts
  • A Douglas WPS-5527K Outdoor Daylight Sensor mounted outside and connected to the Controller's inputs, as shown above, measures the ambient light levels
  • Light setpoint selectors and adjusters, along with clear instructions for using them, are on the Photometric Controller's front face
  • Easy-to-use LED and membrane keypad for programming output responses
  • The Controller has manual override and adjustable time delay for system testing from the relay panel
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    For more information:
    Photometric Controller and Sensor.pdf
    WPC-5577 Operator's Manual.pdf