Mounting position FrontLoop contact type 2 NO + 2 NCContacts operation InstantaneousRated operating voltage [Ue] 690 V AC 25...400 Hz. .400 HzRated insulation voltage [Ui] 690 V according to IEC 60947-5-1600 V in accordance with UL 60947-5-1600 V according to CSA C22.2 No 60947-5-1Conventional heati..