DIN EN 3661-006 : 2008 Title: Aerospace series - Circuit breakers, single-pole, temperature compensated, rated current 20 A to 50 A - Part 006: With polarized signal contact - Bus bar version - Product standard; German and English version EN 3661-006:2006 Year: 2008 Publisher: DIN Media GmbH Availability: Within 1-2 working days