EM-24 Exterior Photocell

WattstopperSKU: EM-24A2

In stock


The EM is a low voltage photocell used for controlling exterior lighting. It works with Wattstopper power packs and lighting control panels (Lighting Integrator and LP series panels) by signalling a change in light levels to the panel.


  • Typical Applications: Control exterior lighting
  • Connection Type: Normally Open
  • IR Range On Axis: 1 - 15 footcandle
  • Response Time: 8 seconds
  • Voltage: 24 VAC
  • Low voltage photocell automatically turns lighting on and off
  • Mounts on building exterior or roof
  • Raintight gray plastic enclosure
  • Compatible with all Wattstopper lighting control panels and power packs
  • Simple to wire and install
  • Adjustable aperture window for varying ON setpoint


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