GAEYAELE Asymmetric Cycle Timer Relay Applications It is used for regular room ventilation, cyclic dehumidification, light control, circulating pumps, noon signs, etc. Function Features Time Functions: Cycler beginning with pulse or Cycler beginning with pause.Function choice is done by an external jumper of terminals S-A1. Technical parameters Time Range: 0.1s-100days DIN rail mounting LED Indicator Relay Status: Its working status is indicated by the LED indicator.LED Light: The green light is power indicator and the red light is work indicator. Simple Panel Instructions: Comfortable and well-arranged function and time-range setting by rotary switches.Rotary Knobs: The first knob “S” stands for second, ”M” stands for minute, “H” stands for hour, “D” stands for day. The second knob is percentage setting from 10% to 100% Wiring Port Max.cable size(mm²): solid wire max.1×2.5mm² or 2×1.5mm²（AWG 12）Output: 1×SPDT or 2×SPDTCurrent rating: 16A (AC1)Switching Voltage: 250VAC/24VDC Rail Mounting Product Size: Ultra-small size, only 18mm width, 35mm rail mounting.Weight:1×SPDT:62g/2×SPDT: 82g GRT8-S: one group or two groups of contacts working in a cycle at the same time