Royce Thompson Electric 0.25W Lighting Controller Sensor Switch, Filtered Silicon Photodiode, Wall Mount

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COO (Country of Origin): GB
產品詳細資訊

Sensor Head

Fitted with a conical, UV stable, impact resistant, translucent cover
Omni-directional
NEMA connection
Replacement for sensors using NEMA Rotaloc Socket

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.

規格
Attribute Value
Controller Type Sensor Switch
Sensor Type Filtered Silicon Photodiode
Voltage Rating 220 → 270 V ac
Mount Type Wall
Power Consumption 250mW
Diameter 81mm
70 現貨庫存,可於3工作日發貨。
單價 個
HK$ 244.69
(不含稅)
單位
Per unit
1 +
HK$244.69