Electronic motor management for operation with external curre - PHOENIX CONTACT - EMM 3-230AC/500AC-IFS - 2297507 View larger
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Electronic motor management for operation with external curre - PHOENIX CONTACT - EMM 3-230AC/500AC-IFS - 2297507

EMM 3-230AC/500AC-IFS




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Electronic motor management for operation with external current transformer- active power measurement for overload and underload monitoring of motors and systems for optimum protection for all performance classes. Freely parameterizable switching and signaling thresholds.

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Width22.5 mm
Height99 mm
Depth114.5 mm

Ambient conditions

Ambient temperature (operation)-25 °C ... 70 °C
Ambient temperature (storage/transport)-25 °C ... 70 °C
Degree of protectionIP20

Input data

Input nameDevice supply
Rated control circuit supply voltage US230 V AC
Voltage range with reference to US0.4 ... 1.1
Rated control supply current IS10 mA
Switching threshold48 V AC (“0” signal)
96 V AC (“1” signal)
Operating voltage displayGreen LED
Status displayLED yellow right rotation (R), LED yellow left rotation (L), LED green data communication
IndicationRed LED
Input nameDigital inputs (IN1 - IN4)
Rated actuating voltage UC230 V AC
Rated actuating current IC3.5 mA
Input nameVoltage measuring input V1, V2, V3
Input voltage range42 V AC ... 575 V AC
Typical input current at UN< 0.5 mA
Input nameCurrent measuring input L1/T1, L2/T2, L3/T3
Typical input current at UN5 A (Secondary external converter)

Output data

Output nameAcknowledging contacts O1-O4
NoteThe meaning of the acknowledgement outputs can be freely parameterized, see user manual
Number of outputs4
Nominal output voltage230 V AC (relay output/500 mA)
Continuous load current500 mA

Measuring technology and signaling contact

DesignationCurrent measurement
Measuring viaExternal push-through current transformers connected upstream
Basic accuracytyp. 0.5 %
DesignationVoltage measurement/phase-to-neutral voltage
Voltage range0 V AC ... 350 V AC (Phase-to-neutral voltage)
Basic accuracytyp. 0.75 %
DesignationPower measurement
Power range4.5 kW ()
Basic accuracytyp. 2 %

Connection data, control circuit

Connection nameControl circuits
Connection methodScrew connection
Stripping length8 mm
Screw threadM3
Conductor cross section solid0.2 mm² ... 2.5 mm²
Conductor cross section flexible0.2 mm² ... 2.5 mm²
Conductor cross section AWG24 ... 14


Test voltage input/output8 kV
Mounting positionVertical (horizontal DIN rail)
Assembly instructionsIn rows with zero spacing
Operating mode100% operating factor
DesignationAir clearances and creepage distances between the power circuits
Standards/regulationsDIN EN 50178
Insulationsafe isolation
Pollution degree2
Overvoltage categoryIII
Standards/regulationsEN 60947
EN 60947-4-2

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