Littelfuse KRDB124 is a microcontroller-based time delay relay with a maximum switching voltage of 250 V. It has a 10 A resistive load rating at 125 V ac and a 5 A resistive load rating at 230 V ac and 28 V dc. With a compact design and 0.25 in. male quick connect terminals, it offers easy installation. The relay has a repeat accuracy of ±0.5% or 20 ms, insulation resistance of ≥100, and a reset time of ≤150 ms. It has a power consumption of ≤2 W and can operate in temperatures up to ±5% of the ambient temperature. The KRDB124 has a life of 1 x 10⁵ electrical cycles and 1 x 10⁷ mechanical cycles, making it durable for long-term use.