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Twilight Switch

Twilight Switch
Twilight Switch
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Product Code : NE 8
Brand Name : Navago
Product Description

 Electrical Twilight Switch

Description/Specification of the Product:

Navago Twilight Switch is designed for automaticcontrol of outdoor luminaries like street lamps, campus lightings, yardlightings, compound lightings, etc. Switching is based on ambient light level.
Features:

The judgment of the Twilight Switch is based on aninfrared sensor. The field of view of the sensor is such that the ground lightslike automobile and torch light do not affect it. The light of the lamp post onwhich the sensor is fitted will not reach it because of its field of view.
Specifications and Features

* The unit confirmsto IP 54 standards for outdoor use.
* Automatic switching ON at dusk.
* Switching OFF at dawn or adjustable (4 to 8 hrs after switching ON).
* Immunity to dust, bird sittings and cloud cover.
* No seasonal resetting
.

Electrical Specification

OperatingVoltage : 230 V Ac

MaximumLoad      : 1 Kw and 3 Kw

Luminancefor switching ON : <30 Lux with time delay 0f 30 secs

Luminancefor switching OFF: >30 Lux with time delay of 30 secs

Operating Procedure

The lightsconnected to the Twilight Switch is turned ON when the natural light fallsbelow 30 lux. The lights are switched OFF in the morning when the light levelfalls above 30 lux or the switched can be programmed o switch OFF after certainduration of time (either 1 to 5 Hrs or 2 to 8 Hrs). Override option for thelights to remain continuously ON or continuously OFF is also provided.

Advantages

  • Eliminates the need of human operation for lamp switching
  • Option for switching OFF the lights after a certain duration of time
  • Saves energy by the way of avoiding wastages associated with manual switching
  • Introduces element of objectivity

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