Littelfuse TRDU230A2 is an 8-pin plug-in time delay relay with a load rating of 10 A resistive @ 120/240 V ac and 28 V dc. It has a power consumption of ≤3 W and a reset time of ≤50 ms. The relay has an input tolerance of -20% - 10% and a repeat accuracy of ±0.1% or 20 ms. It features two LEDs for indication of input voltage and output relay status and has a life expectancy of Electrical: 1 x 10⁶; Mechanical: 1 x 10⁷. The relay offers three position DIP switches for setting adjustment and five switches for choosing from twenty-one single or dual time delay functions.