| Item Description | Voltage monitor 3PH 3(N)AC / UN: 3(N)AC 15..460 HZ 0..500 / 288 V / US: AC 42-460 HZ, 17-72 V / DC 9, 6- 94V quick-blow fuse 6A push-wire terminal / AC/DC VOLTAGE MONITOR, TRUE RMS, UNDER- AND OVERVOLTAGE: 6...500/288 V under- and overfrequenz: 10...500 HZ asymmetrie: 5...30 % FHASE failure, phase sequence US: DC 9, 6...94 V, AC 15...460 HZ 16...72 V start-up delay: 0...99 s response delay: 0...99 s delay on release: 0...99 s 2 changeover contacts, LC-display additional protective coating "w" enhanced climatic and mechanical enviromental conditions |