DIN EN 4838-005 : 2019 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 005: With polarized signal contact - Product standard; German and English version EN 4838-005:2019 Year: 2019 Publisher: DIN Media GmbH Availability: Within 1-2 working days