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Current protection relay X72DB3
earth-leakageDCAC

current protection relay
current protection relay
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Characteristics

Measured/monitored value
earth-leakage, current
Network
AC, DC
Other characteristics
digital, differential, RS485

Description

The X...DB3 series earth leakage relays Type B are designed to measure the DC, AC and high frequency leakage current. Thanks to their distinctive feature (the displaying of the leakage current) it is possible to continuously monitor the insulation state and to program the preventive maintenance in order to avoid unexpected power breaks. Main functions: - Continuous digital indication of the leakage current: total RMS, AC fundamental, AC high frequency - Double threshold: total RMS and DC component - Storing of the intervention current values - Internal clock and storage of the last 10 events - RS485 Modbus RTU, measurements, event archive, scope - Selectable antifibrillation filter with re protection 300mA - AC measurements up to 10kHz - Automatic retry - Logic Selectivity - Selectable 3rd harmonic filter

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.