Littelfuse TRDU24A1 is a versatile plug-in relay with an output load rating of 10 A resistive at 120/240 V AC and 28 V DC, making it suitable for various applications. It features an octal 8-pin plug-in termination type and supports an input AC line frequency of 50/60 Hz with a tolerance of -15% to 20%. With a repeat accuracy of ±0.1% or 20 ms, it ensures precise operation. The relay has a power consumption of ≤3 W and a reset time of ≤50 ms. It offers a wide range of time delay options and settings, with setting accuracy of ±1% or 50 ms. The TRDU24A1 also includes two LEDs for visual indication of input voltage and output relay status. Designed for reliable performance, it has an electrical life of 1 x 10⁶ cycles and a mechanical life of 1 x 10⁷ cycles. This relay is reverse polarity protected for DC units and has insulation resistance of ≥100 Ω. The adjustment type is a multiplier, and settings can be selected using 3-position DIP switches. Overall, the Littelfuse TRDU24A1 is a high-quality, flexible relay suitable for various applications where precise timing and accurate control are required.