Littelfuse TDSL120AL is an octal 8-pin plug-in time delay relay with an output load rating of 10 A resistive @ 120/240 V ac and 28 V dc, and 1/3 hp @ 230 V ac. It has an input tolerance of -20% - 10% and repeat accuracy of ±0.1% or 20 ms. Its power consumption is ≤3.25 W and it has a reset time of ≤50 ms. The time delay type is digital, with a life of 1 x 10⁶ electrical and 1 x 10⁷ mechanical cycles. It has a recycle time of ≤150 ms and initiate time of ≤60 ms. The setting accuracy is ≤±2% or 50 ms and it is indicated by a glowing LED during timing and energized relay.