DIN EN 4838-004 : 2018 Title: Aerospace series - Arc fault circuit breakers, single-pole, temperature compensated, rated current 3 A to 25 A - 115 V a.c. 400 Hz constant frequency - Part 004: With signal contact - Product standard; German and English version EN 4838-004:2018 Year: 2018 Publisher: DIN Media GmbH Availability: Within 1-2 working days