Littelfuse TRU3 is a versatile product with an output load rating of 10A resistive @ 120/240 V ac and 28 V dc. It has a termination type of Magnal 11-pin plug-in and works with an input AC line frequency of 50/60 Hz. With a repeat accuracy of ±0.1% or 20 ms (whichever is greater) and a reset time of ≤300 ms, this digital time delay relay offers reliable performance. Its life expectancy is Electrical: 1 x 10⁶ cycles and Mechanical: 1 x 10⁷ cycles. The TRU3 provides reverse polarity protection for DC units and includes two LEDs for indicating input voltage applied and output relay status. It also offers adjustable settings through a 4 position DIP switch and an onboard knob for precise time setting.