Royce Thompson Electric Lighting Controller Detector, Cadmium Sulfide, Remote Mount, 220 to 270 V
Technical documents
Specifications
Controller Type
Detector
Sensor Type
Cadmium Sulfide
Voltage Rating
220 to 270 V
Mount Type
Remote
Length
57 mm
Width
31 mm
Height
25mm
Wattage
600 mW
Country of Origin
United Kingdom
Product details
2-Part Luminaire Controller
Remote IP65 detector
Internal mount controller
Detector has a 27mm dia. flange, a depth of 25mm and a 20mm thread
Supplied with
2 nitrile gaskets
Daylight Lighting Controllers
These controllers automatically turn lights 'ON' and 'OFF' in response to changes in ambient light levels, primarily the transition from day to night and vice-versa. The more advanced types (see note below) have inbuilt logic to minimise false triggering, whereas the remainder have inbuilt time delays or higher 'OFF' thresholds, to prevent on/off cycling. As a general rule, these controllers should be sited such that they are not illuminated, by the light they are controlling. Nominal supply voltage is 230Vac.,Note regarding energy-saving negative-hysteresis controllers,Where figures for the 'OFF' threshold are lower than for the 'ON' threshold, the sensor is designed such that four thresholds are actually monitored. These are: dusk, the middle of the night, dawn and the middle of the day. Monitoring at times other than dusk and dawn enables the sensor to determine what it should be looking for next, minimising false triggering and improving overall controller operation.
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Technical documents
Specifications
Controller Type
Detector
Sensor Type
Cadmium Sulfide
Voltage Rating
220 to 270 V
Mount Type
Remote
Length
57 mm
Width
31 mm
Height
25mm
Wattage
600 mW
Country of Origin
United Kingdom
Product details
2-Part Luminaire Controller
Remote IP65 detector
Internal mount controller
Detector has a 27mm dia. flange, a depth of 25mm and a 20mm thread
Supplied with
2 nitrile gaskets
Daylight Lighting Controllers
These controllers automatically turn lights 'ON' and 'OFF' in response to changes in ambient light levels, primarily the transition from day to night and vice-versa. The more advanced types (see note below) have inbuilt logic to minimise false triggering, whereas the remainder have inbuilt time delays or higher 'OFF' thresholds, to prevent on/off cycling. As a general rule, these controllers should be sited such that they are not illuminated, by the light they are controlling. Nominal supply voltage is 230Vac.,Note regarding energy-saving negative-hysteresis controllers,Where figures for the 'OFF' threshold are lower than for the 'ON' threshold, the sensor is designed such that four thresholds are actually monitored. These are: dusk, the middle of the night, dawn and the middle of the day. Monitoring at times other than dusk and dawn enables the sensor to determine what it should be looking for next, minimising false triggering and improving overall controller operation.