Littelfuse TDR1A22 is an octal 8-pin plug-in time delay relay designed for a wide range of applications. It has an output load rating of 10 A resistive at 120/240 V ac and 30 V dc, making it suitable for various voltage levels. With a repeat accuracy of ±0.1% or 20 ms and insulation resistance of ≥100, it ensures precise and reliable performance. The microcontroller-based time delay type offers a reset time of ≤150 ms and a recycle time of ≤500 ms. The product provides undervoltage trip voltage ranging from 0 to 23 s in 1 s increments, offering flexibility in operations. It also features reverse polarity protection for DC units and has a setting accuracy of ≤±2% or 50 ms. The product comes with LED indicators for input and relay status, allowing for easy monitoring. With a power consumption of ≤2 W and a long lifespan of 1 x 10⁵ electrical and 1 x 10⁷ mechanical cycles, the Littelfuse TDR1A22 offers a reliable and efficient solution for time delay applications.