product dimensions performancesDER3/0I 96x96x51 1 intervention threshold - control of opening coil - auto-diagnostic by led

DER3/0E 48x48x94 1intervention threshold - control of opening coil - auto-dignostic by led

DER3/1I 96x96x51 digital display - 1intervention threshold - 2contemporary contacts NO-C-NC - control of opening coil - auto-diagnostic by display - limit time of no-intervention 10 sec

DER3/2I 96x96x51 digital display - 2 thresholds:intervention + alarm - 2 contacts NO-C-NC - control of opening coil - auto-diagnostic by display - test without intervention of opening coil - limit time of no-intervention 10 sec

DER3/2IRS 96x96x51 digital display - 2 thresholds:intervetnion+alarm - 2 contacts NO-C-NC - control of opening coiL - auto-diagnostic by display - test without intervention of opening coil - serial outputs: RS232 or RS485 - limit time of no-intervention 10 sec

DER3/2IM 96x96x51 display - 2 thresholds: intervention +alarm - 2 contacts NO-C-NC - intervention memory - control of opening coil - auto-diagnostic by display - test without intervention of opening coil - limit time of no-intervention 10 sec

DER3/2IMRS 96x96x51 digital display - 2 thresholds: intervention +alarm - 2 contacts NO-C-NC - intervention memory - control of opening coil - auto-diagnostic by display - test without intervention of opening coil - serial outputs: RS232 or RS485 - limit time of no-intervention 10 sec

product dimensions performancesDER3/0D 2 DIN 1 intervention threshold - control of opening coil - auto-diagnostic by led

DER3/1D 3 DIN display - 1 intervention threshold - 2 contemporary contacts NO-C-NC control of opening coil - auto-diagnostic by display - limit time of no-intervention 10 sec

DER3/1DL 3 DIN display - 1 intervention threshold - 2 indipendent contacts NO-C-NC - 3 times automatic reset - control of opening coil - auto-diagnostic by display - limit time of no-intervention 10 sec

DER3/2D 3 DIN display - 2 thresholds: intervention+alarm - 2 contacts NO-C-NC - control of opening coil - auto-diagnostic by display - test without intervention of coil - limit time of no-intervention 10 sec

DER3/2DRS 3 DIN display - 2 thresholds : intervention+alarm - 2 contacts NO-C-NC - control of opening coil - auto-diagnostic by display - test without intervention of opening coil - serial output: RS232 or RS485 - limit time of no-intervention 10 sec

Type DER3/0D DER3/1DAuxiliary voltage (Vac) 48÷230 Vac / 400 Vac (-15% / +10%) cod.9DER3/0D cod.9DER3/1DAuxiliary voltage (Vdc) 24÷230 Vdc (-15% / +10%) cod.9DER3/0DCC cod.9DER3/1DCCToroidal transducers series D (opened and closed) • •Overall dimensions --- 2 DIN modules 3 DIN modulesWeight --- 200 gr 250 grCalibration Field IΔn from 0,03 A to 30 A • •Intervention Field IΔn from 80% IΔn to 100% IΔn • •Calibration Field Δt instantaneous and from 0,06 sec to 5 sec

instantaneous and from 0,06 sec to 10 sec•

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Regulation Method continuous • •Operational Elements buttons and potentiometers

buttons and display•

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Visualization led e indicatorsdisplay dots matrix

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Visualization Mode of differential current measurement (only for type with display)

Numeric Visualization from 0,03 A to 30 AVisualization with bargraph in percentage from 0 to 100% IΔn

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Output contacts n° 1 NO-C-NC 5A 250 Vacn° 2 NO-C-NC 5A 250 Vac

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Intervention Mode of output contacts final trip (single contact)final trip (double contact)alarm3 times automatic reset

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Alarm calibration field from 20%IΔn to 80%IΔn --- ---Test criteria simulation of max. IΔn thanks to additional excitation

winding present into toroidal transducer • •

Test and Reset test of trip relay and opening of circuit breaker Reset- manual or automaticspecial test with simulation of tripping without opening of relay and switch

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Serial output (option) RS232 / RS485 --- --- Intervention Memory visualization by display --- ---Self-control of connections and inboard electronics

permanent verification of: connection, orientation and windings of toroidal transducer, inboard electronics, voltage presence

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Self-control of opening coil continuity and electric wiring of opening coil • •Self-control of auxiliary voltage Permanent (positive safe selectionable) • •Networks to be controlled BT< 1000V 50/60 Hz • •Distribution system TT, TN • •Class A, AC • •Standards reference IEC 60947-2 :2006 annexM ed4°

CEI-EN 60947-2 annex. M - edition 8°• •

Measurement Mode RMS • •Max Consumption 3 VA • •Insulation Class (front) II • •Degree of protection IP50 (frontal), IP20 (terminals) • •Self- Extinguishing case cl. V0 • •Conversion Table: Previous Models and Codes (AC Voltage) DER2/D2B cod.9DR60NB DER2/D2B cod.9DR60NB

DER2/DCS cod.9DR110N

DER3/1DL DER3/2D DER3/0E DER3/0I DER3/1I DER3/2I DER3/2IMcod.9DER3/1DL cod.9DER3/2D cod.9DER3/0E cod.9DER3/0I cod.9DER3/1I cod.9DER3/2I cod.9DER3/2IM

cod.9DER3/1DLCC cod.9DER3/2DCC cod.9DER3/0ECC cod.9DER3/0ICC vcod.9DER3/1ICC cod.9DER3/2ICC cod.9DER3/2IMCC• • • • • • •

3 DIN modules 3 DIN modules 48x48x94 96x96x51 96x96x51 96x96x51 96x96x51250 gr 250 gr 200 gr 200 gr 250 gr 250 gr 250 gr

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--- cod. +RS485 or RS232 --- --- --- cod. +RS485 or RS232 cod. +RS485 or RS232--- --- --- --- --- --- •

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DER2/D3LB cod.9DR48NLB

DER2/D2B cod.9DR60NBDER2/DCS cod.9DR11ONDER2/D3B cod.9DR65NB

DER2/E cod.9DR80N DER2/I cod.9DR70N DER2/I cod.9DR70NDER2/ICS cod.9DR115N

DER2/I cod.9DR70NDER2/ICS cod.9DR115NDER2/K cod.9DR90NDER2/V cod.9DR100N

DER2/I cod.9DR70NDER2/ICS cod.9DR115NDER2/K cod.9DR90NDER2/V cod.9DR100NDER2/KM cod.9DR95NDER2/VM cod.9DR105N

product ordering code description

DRFILTRO 9DRFILTRO Filter for earth differential relay network disturbances (series DER3 )

D80S 9D80S Adder toroidal transducer for DER of CT present in line - see on pag. 12

D300M 9D300M Multiplier toroidal transducer: calibration field of DER from 0,03/30A to 0,30/300A - see on pag. 12

MULTILOG 9MULTILOG Datalogger that records informations of DER operation - see on pag. 46

DER3/0E 9DER3/0E

9DER3/0ECC

48x48x94

48x48x94

48÷230Vac / 400 Vac

24÷230Vdc

product ordering code dimensions auxiliary power supply voltage

DER3/0I 9DER3/0I

9DER3/0ICC

96x96x51

96x96x51

48÷230Vac / 400 Vac

24÷230Vdc

DER3/1DL 9DER3/1DL

9DER3/1DLCC

3 DIN

3 DIN

48÷230Vac / 400 Vac

24÷230Vdc

DER3/1D 9DER3/1D

9DER3/1DCC

3 DIN

3 DIN

48÷230Vac / 400 Vac

24÷230Vdc

DER3/1I 9DER3/1I

9DER3/1ICC

96x96x51

96x96x51

48÷230Vac / 400 Vac

24÷230Vdc

DER3/2IM 9DER3/2IM

9DER3/2IMRS232

9DER3/2IMRS485

9DER3/2IMCC

9DER3/2IMCCRS232

9DER3/2IMCCRS485

96x96x51

96x96x51

96x96x51

96x96x51

96x96x51

96x96x51

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

24÷230Vdc

24÷230Vdc

24÷230Vdc

DER3/2D 9DER3/2D

9DER3/2DRS232

9DER3/2DRS485

9DER3/2DCC

9DER3/2DCCRS232

9DER3/2DCCRS485

3 DIN

3 DIN

3 DIN

3 DIN

3 DIN

3 DIN

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

24÷230Vdc

24÷230Vdc

24÷230Vdc

DER3/2I 9DER3/2I

9DER3/2IRS232

9DER3/2IRS485

9DER3/2ICC

9DER3/2ICCRS232

9DER3/2ICCRS485

96x96x51

96x96x51

96x96x51

96x96x51

96x96x51

96x96x51

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

48÷230Vac / 400 Vac

24÷230Vdc

24÷230Vdc

24÷230Vdc

DER3/0D 9DER3/0D

9DER3/0DCC

2 DIN

2 DIN

48÷230Vac / 400 Vac

24÷230Vdc