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Twilight switch

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.


 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℃


Description



Function diagram



Wiring diagram