General Data Rated voltage 220 ‑ 400 Vac Maximum rated current 16 A Internal resistance 3.75 Ohms Maximum ambient temperature 40 °C Degree of protection IP 00 / IP 30 Advantages Very good moisture protection thanks to XtraDenseFill resin encapsulation (ES30) ES 00: Stable plastic housing for screwed mounting ES 30: Stable plastic housing for rail mounting, e.g. in consumer units or meter mounting boards Inrush current limiting option for limiting the inrush current in transformers with high switch-on or inrush currents (not suited for electrical machinery or motors).