Littelfuse TH1C621 is a high-performance electronic time delay relay with a 20 A steady state and 200 A inrush output load rating. It features 0.25 in. male quick connect terminals, a wide input AC line frequency range of 50/60 Hz, and ±15% input tolerance. With a humidity resistance of 95% non-condensing and repeat accuracy of ±2% or 20 ms, it ensures reliable operation. This encapsulated relay has a power consumption of ≤2 VA and a time delay tolerance of ≤5%. It offers excellent insulation resistance of ≥100 and dielectric breakdown strength of ≥2000V, ensuring safety. The TH1C621 has a recycle time of ≤150 ms and minimal open state leakage current of ≅5 A @230 V ac. It maintains a setpoint vs ambient temperature and operating voltage tolerance of ≤±10%. With a minimum output load current of 100 A, this relay delivers reliable and efficient performance in a compact form factor.