Littelfuse ESDR420A1 is an encapsulated circuitry product with male quick connect terminals. It has a steady state output load rating of 1 A, with a 10 A inrush rating at 45°C. It operates at an input AC line frequency of 50/60 Hz with a tolerance of ±20%. It has a humidity resistance of 95% non-condensing and an insulation resistance of ≥100. The setpoint vs ambient temperature and operating voltage has an accuracy of ≤±2%. It has a power consumption of ≤2 VA, a time delay tolerance of ≤±5%, and a reset time of ≤150 ms. The dielectric breakdown is ≥2000V terminals to mounting surface. It has an output voltage drop of 2.5 V at 1 A and a life expectancy of electrical: 1 x 10⁶, mechanical: 1 x 10⁷. The open state leakage current is 2.5 A at 230 V AC.