MVR 54N 400VAC, Voltage Monitoring Relay, 3 Phase 4 wire, 415VAC Over/Under Voltage Detection, 1 x CO SPDT 8 Amp Contact, Adjustable Timer Delay, Adjutsable Upper and Lower Voltage Limits

MVR 54N 400VAC, Voltage Monitoring Relay, 3 Phase 4 wire, 415VAC Over/Under Voltage Detection, 1 x CO SPDT 8 Amp Contact, Adjustable Timer Delay, Adjutsable Upper and Lower Voltage Limits

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$95.00 $104.50 inclGST Excl. VAT

        SKU: FE-MVR 54 N 400VAC

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        Description

        Iskra Doo MVR 54N 400VAC Series Voltage Monitoring Relay

        MVR 54N Series serves to monitor voltage, phase failure and sequence in switchboards, protection of devices in 3-phase 4 wire mains

        Features

        • Upper and lower level of monitoring voltage
        • Adjustable time delay eliminates short voltage peaks and failures in the main
        • Supply is done from monitored voltage
        • Faulty state is indicated by red LED and by opening of output relay contact
        • Output contact 1 x Changeover / SPDT 8 A /250 V AC1
        • In case supply voltage falls below 60 %Un (U lower level) relay off immediately opens without delay
        • MVR 54 - supply from all phases which means that relay is functional also in case when one phase is faulty
        • Variant MVR 54N - supply L1-N, means that relay monitors also failure of neutral wire
        • 1-MODULE, DIN rail mounting
        Specification

        Technical Data

        MVR 54

        MVR 54N

        Supply and measuring

        L1, L2, L3

        L1, L2, L3, N

        Supply terminals

        L1, L2, L3

        L1, N

        Supply/measured voltage

        3 x 400 V / 50 Hz

        3 x 400 V / 230 V /50 Hz

        Level Umax

        105 - 125 % Un

        Level Umin

        75 - 95 % Un

        Burden

        max. 2 VA

        Hysteresis

        2 %

        Max. permanent overload

        AC 3 x 460 V

        AC 3 x 265 V

        Peak overload <1ms

        AC 3 x 500 V

        AC 3 x 288 V

        Time delay T1

        max. 500 ms

        Time delay T2

        adjustable 0.1-10 s

        Output

        Number of contacts

        1x changeover/ SPDT (AgNi / Silver Alloy)

        Current rating

        8 A / AC1

        Breaking capacity

        2500 VA / AC1, 240 W / DC

        Inrush current

        10 A

        Switching voltage

        250 V AC1 / 24 V DC

        Min. breaking capacity DC

        500 mW

        Indication of state

        red LED

        Mechanical life

        1 x 107

        Electrical life (AC1)

        1 x 105

        Other information

        Operating temperature

        -20 ... +55 °C

        Storage temperature

        -30 ... +70 °C

        Electrical strength

        4 kV (supply - output)

        Operating position

        any

        Mounting

        DIN rail EN 60715

        Protection degree

        IP 40 from front panel / IP 10 terminals

        Overvoltage cathegory

        III.

        Pollution degree

        2

        Max. cable size (mm )2

        solid wire max. 2x2.5 or 1x4 ; with sleeve max. 1x2.5 or 2x1.5

        Dimensions

        90 x 17,6 x 64 mm

        Weight

        69 g

        67 g

        Standards

        EN 60255-6, EN 61010-1


        Datasheet
        Application Notes

        Relay in 3-phase main monitors size of phase voltage. It is possible to set two independent voltage levels and thus it is possible to set two independent voltage levels and monitor e.g. undervoltage and overvoltage independently. In normal state when voltage is within set levels, output relay is closed and red LED shines.

        In case voltage exceeds or falls below the set levels, output relay opens and red LED shines ( LED indicates faulty state – flashes when timing). In case supply voltage falls below 60 % Un (UOFF lower level)relay immediately opens without delay and faulty state is indicated by red LED.In case timing is in progress and faulty state is indicated, timing is immediately stopped.

        Read more

        Specifications

        • Weight: 200gr
        • Usage: Indoor & outdoor

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