This standard specifies a method for testing the capability of relays to withstand cold, low air pressure and moist heat. It applies for relays with plug socket holders only. It shall be used together with EN 2349-100.
EN 2349-407:2006 history
2006EN 2349-407:2006 Aerospace series - Requirements and test procedures for relays and contactors - Part 407: Cold/low pressure and moist heat