Function Features:  -Serves to control lights on the basis of ambient light intensity.  -Level of ambient intensity is monitored by an external sensor and output is switched according to set level on the device.  -Control input for additional control.  - Illumination Rang 1-100Lx.  -Function ON-AUTO-PFF.  -Universal supply AC 110V- 240V.  -Output 1SPST 16A/AC1.  - Suply indicated by GREEN LED, Relay status is indicated by RED LED.  -1 MODULE, DIN rail mounting.    Specification:  Function: Twilight switch;  Supply terminals: L-N;  Rated supply voltage: AC 110V-240V;  Rated supply frequency: 50/60Hz;  Burden: max 2VA;  Supply voltage tolerance: -15%;+10%;  Illumination rang: 1-100Lx;  Function: ON-AUTO-OFF;  Supply indication: green LED;  Tolerance sensor: ±35%;  Delay time: 2min;  Sensor cable length: max. 50 m (standard wire);  Output: 1XSPST;  Current rating: 16A/AC1;  Switching voltage: Min.breaking capacity DC;  250VAC/24VDC: 500mW;  Output indication Mechanical life: red LED 1X107;  Electrical life(AC1): 1X105;  Operating temperature: -20℃ to +55℃ (-4°Fto131°F);  Storage temperature: -35℃ to +75℃ (-22°F to 158°F);  Mounting/DIN rail: Din rail EN/IEC 60715;  Protection degree: IP40 for front panel/IP20 terminals;  Operating position: any;  Overvoltage cathegory: III;  Pollution degree: Max.cable size(mm) 2 olid wire max. 1X2. 5or2X1. 5/with sleeve max.1 X2. 5 (AWG12);  Dimensions: 90 x 18 x 64mm;    Applications:   Twilight switch with external fotosensor-Used for switching street illumination and garden lights, illumination of advertisements, shop windows, etc.     Package included:   1 x Din Rail Twilight Switch