Littelfuse TRDU120A3 is a versatile 11-pin plug-in timer with a load rating of 10 A resistive @ 120/240 V ac and 28 V dc. It offers a repeat accuracy of ±0.1% or 20 ms, insulation resistance of ≥100, and a power consumption of ≤3 W. The timer features two LEDs for input voltage and output relay status indication. With its three-position DIP switch and five time delay option switches, it allows for precise adjustment and offers a range of twenty-one single or dual functions.