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Earth-leakage protection relay DER3/2IMRS
2 NCdifferentialIEC

earth-leakage protection relay
earth-leakage protection relay
earth-leakage protection relay
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Characteristics

Measured/monitored value
earth-leakage
Contact configuration
2 NC
Other characteristics
differential, IEC, RS485, panel-mount
Tripping current

Max.: 30,000 mA

Min.: 0.03 mA

Description

The earth differential relays range DER3 can be used in alternate current on LV networks for the types of TT and TN. An adequate selectivity is guaranteed with differential protection. All this is possible due to wide adjustment of threshold current dispersion, up until 30A. And also threshold for delay intervention up until for 10 seconds. DER3 Dossena are designed perfectly in accordance with strict regulations with CEI EN 60947-2:2007 annex M ed.8 and IEC 60947-2:2006 annex M ed.4. Thus it satisfies the double need of safety of facility and service continuity on industrial production. Dosena offers a wide range of earth differential relays that are future-rich with technologies that are easier to use with higher reliability, simple installation and settings, performance and user-friendly design. The greatness and parameters are displayed on large screen dots matrix, very bright that can change colour in relation of state device. Green depicts measurement or surveillance, blue stands for setting and red for alarm and intervention.

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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.