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Monitoring relay for undervoltage, overvoltage and frequency monitoring VME421H Operating elements Wiring diagram

Electronic measuring and monitoring relays - 14922 23 14 4

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1 - LED Power On “ON” (green); lights when supply voltage is applied and flashes in the event of system fault alarm.2 - Alarm LED “AL1” (yellow), lights when the set response value > U / f is exceeded and flashes in the event of system fault alarm.3 - Alarm LED “AL2” (yellow), lights when the value falls below the set response value f and flashes in the event of system fault alarm.4 - Multi-functional LC display.5 - Test button “T”: UP key: To change the measured value display, move downwards in the menu or change parameters. To call up the self test: Press the key > 1.5 s6 - Reset button “R”: DOWN key: To change the measured value display, move downwards in the menu or change parameters. To delete stored insulation fault alarms: Press the key > 1.5 s7 - MENU key: Enter key: To confirm the measured value display or change parameters. To call up the menu system: Press the key> 1.5 s Press ESC key > 1.5 s: To abort an action or to return to the previous menu level.

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1 - Connection to the system/load being monitored 2 - Alarm relay K1: Configurable f U / f / ERROR3 - Alarm relay K2: Configurable f U / f / ERROR4 - Line protection according to IEC 60364-4-43 A 6 A fuse is recommended. If being supplied from an IT sys- tem, both lines have to be protected by a fuse. Ordering information Type Supply voltage U
S Nominal system voltage U
n * Display range Response value Art. No. * Absolute values VME421H-D-1 -- DC 9.6…150 V / AC 15…460 Hz 9.6…150 V AC / DC 9.6…150 V AC / DC 9.6…150 V B 9301 0003 VME421H-D-2 -- DC 70…300 V / AC 15…460 Hz 70…300 V AC/DC 70…300 V AC/DC 70…300 V B 9301 0004 Accessories Type Art No. Mounting clip for screw fixing B 9806 0008(1 piece per device)
Main catalogue part 3 – 06.2007 / Electronic measuring and monitoring relays 29