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RD-ST1

Sensitivity adjustment from 2 to100 lux.
Eternal light sensor included in delivery.
Fixed switching on and off delay.
LED indication for power supply and relay status.
2 module Din-rail mounting.

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Twilight switch control lightning systems according to environmental light level. They are used on yards, streets or shop Windows for automatically switching the lights ON at the beginning of darkness and switch them OFF in the morning.

Technical data

Rated control voltage	Ac220V
Frequency	50/60Hz
Sensitivity threshold	2~100lux adjustable
Switch-on delay	2-5s
Switch-off delay	10-15s
Hysteresis (switching off/on ratio)	1.20
Output contact	1NO
Current rating	25A/250V AC1
Incandescent lamp load	3000W
Halogen lamp load	3000W
Fluorescent lamp load (compensated)	1000W
Fluorescent lamp load (uncompensated)	1300W
Protection degree	Terminal: IP20, Sensor: IP65
Ambient temperature	-25℃~+40℃

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RD-ST1

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