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Kilowatt-hour meter

Kilowatt-hour meters, also known as energy meters, watt-hour meters, or electricity meters, are essential devices for measuring electrical energy consumption in residential, commercial, and industrial installations. These meters quantify active energy in kilowatt-hours (kWh) and can be designed for single-phase or three-phase systems, with direc...

Kilowatt-hour meters, also known as energy meters, watt-hour meters, or electricity meters, are essential devices for measuring electrical energy consumption in residential, commercial, and industrial installations. These meters quantify active energy in kilowatt-hours (kWh) and can be designed for single-phase or three-phase systems, with direct connection or via current transformers (CT) for higher currents. Key technical specifications include accuracy class (typically Class 1 or Class 2 for general use, or Class 0.5 for billing), rated voltage (e.g., 230V AC for single-phase, 400V AC for three-phase), rated current (e.g., 5(80)A for direct connection), frequency (50/60 Hz), and communication interfaces such as pulse outputs, Modbus RTU, or M-Bus for remote reading. They are available in DIN-rail mountable enclosures for panel integration or socket-type designs for utility metering.

These meters are deployed in electrical distribution panels, main switchboards, and sub-distribution boards for energy monitoring and billing. In industrial automation, they are integrated into power management systems (PMS) and building management systems (BMS) to track consumption, detect anomalies, and optimize energy efficiency. Common sectors include utilities for grid metering, manufacturing plants for process monitoring, commercial buildings for tenant sub-metering, and renewable energy installations for net metering.

Subcategories include single-phase kWh meters (e.g., models with codes like EM100-1P or ME382), three-phase direct meters (e.g., EM300-3P or ME442), and CT-operated meters (e.g., EM400-CT or ME483). Typical article codes follow patterns such as "EM-XXX-YYY" where XXX denotes phase type (1P, 3P) and YYY indicates current rating or communication option. For example, EM-1P-80A represents a single-phase meter rated at 80A. Other variants include prepayment meters and multi-tariff meters with time-of-use registers.

Partnering with Electric Automation Network ensures access to a comprehensive range of kWh meters from leading manufacturers, with real-time pricing and stock availability. Our engineering team provides technical support for selection, configuration, and integration with energy management systems. We offer express worldwide shipping, ensuring fast delivery for critical projects. Documentation, including wiring diagrams and communication protocols, is available for each article.

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Manufacturer Code Reference Catalog Number Description Delivery Price

7KT1548

7KT1548

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E counter with LC display, 3-phase, 125 A, 2xS0, 2 tariffs, Direct connection calibrated according to MID data transmission function

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7KT1542

7KT1542

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E counter with LC display, 3-phase, CT/5A, 2xS0, 2 tariffs, Transformer connection calibrated according to MID data transmission function

 		3 View Availability View Price

167410

EME3P63BMODBUSMID

EME3P63BMODBUSMID

Power meter, 3 N, 63 A, MODBUS, MID

63A MODB MID Energy Meter

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171631

EME3PMMCT5

EME3PMMCT5

Multi-/power meter, 49-51 Hz, 5 A_x

Three-phase DIN rail multimeter

Multi-/power meter, 49-51 Hz, 5 A

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EM21072DMV63XOSX

EM21072DMV63XOSX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: DC/AC output (Opto Mosfet) , Input type: 3-phase AC , Connection: CT/VT, Communication: RS485 , Range: 120VLN/230VLL,333mV current sensor, Display: 6+1 DGT , Variables: W, var, PF, Hz, Phase-sequence, Digital inputs: none, Pulse: 1, Alarms: none, Analogue: none

Three-phase electric energy meter, Removable display, Current input 333mA

Three-phase Energy analyzer, 57.7 to 144 V L-N, 100 to 230 V L-L, 333 mV (400 mV) A, RS485 Modbus RTU Pulse output

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EM28072DMV53XOSN

EM28072DMV53XOSN

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: Dual static output (opto-mosfet) and serial port, Input type: 3-phase AC , Connection: CT/VT, Communication: None , Range: 230VLN/400VLL AC, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: 2, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU Pulse output

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EM340DINAV23XO1X

EM340DINAV23XO1X

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: Self power supply, Output digital input: DC output (Open Collector) , Input type: 3-phase AC , Connection: Direct, Communication: None , Range: 208VLL to 400VLL 5(65)A, Display: 3x8DGT, Variables: kWh, kvarh, V, A, W, Wdmd, Wdmd max, var, PF, Hz, Digital inputs: 1, Pulse: 1, Alarms: none, Analogue: none

Compact three-phase energy meter with backlit touch LCD display

Three-phase Energy analyzer, 120 to 230 V L-N, 208 to 400 V L-L, 5 (65) A, Pulse output

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EM24DINAV63LO2X

EM24DINAV63LO2X

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: 18 to 60V AC/DC, Output digital input: DC output (Open Collector) , Input type: 3-phase AC , Connection: CT/VT, Communication: None , Range: 70V to 250 VLL 1/5(10)A , Display: 7+1 DGT , Variables: kWh, kvarh, VLL, VLN, Admd max, VA, VAdmd, VAdmd max, W, Wdmd, Wdmd max, var, PF, Hz, Phase-sequence, Digital inputs: none, Pulse: 2, Alarms: none, Analogue: none

Compact three-phase network analyzer, connection via Ct /5A, energy/gas/water reading

Three-phase Energy analyzer, 57.7 to 120 V L-N, 100 to 208 V L-L, 5 (10) A, 2 pulse outputs

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EM28072DMV53XOSX

EM28072DMV53XOSX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: Dual static output (opto-mosfet) and serial port, Input type: 3-phase AC , Connection: CT/VT, Communication: None , Range: 230VLN/400VLL AC, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: 2, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU Pulse output

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EM21072DMV63XOXX

EM21072DMV63XOXX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: DC/AC output (Opto Mosfet) , Input type: 3-phase AC , Connection: CT/VT, Range: 120VLN/230VLL,333mV current sensor, Display: 6+1 DGT , Variables: W, var, PF, Hz, Phase-sequence, Digital inputs: none, Pulse: 1, Alarms: none, Analogue: none

Three-phase electric energy meter, Removable display, Current input 333mA

Three-phase Energy analyzer, 57.7 to 144 V L-N, 100 to 230 V L-L, 333 mV (400 mV) A, Pulse output

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EM24DINAV63LISX

EM24DINAV63LISX

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: 18 to 60V AC/DC, Output digital input: Digital Input , Input type: 3-phase AC , Connection: CT/VT, Communication: RS485 , Range: 70V to 250 VLL 1/5(10)A , Display: 7+1 DGT , Variables: kWh, kvarh, VLL, VLN, Admd max, VA, VAdmd, VAdmd max, W, Wdmd, Wdmd max, var, PF, Hz, Phase-sequence, Digital inputs: 3, Pulse: none, Alarms: none, Analogue: none

Compact three-phase network analyzer, connection via Ct /5A, energy/gas/water reading

Three-phase Energy analyzer, 57.7 to 120 V L-N, 100 to 208 V L-L, 5 (10) A, RS485 Modbus RTU 3 digital inputs

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EM24DINAV93XISPFB

EM24DINAV93XISPFB

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Function: MID Energy analyzer , Mounting: DIN Rail, Power supply: Self power supply, Output digital input: Digital Input , Input type: 3-phase AC , Connection: Direct, Communication: RS485 , Range: 318V to 480VLL 10(65)A , Display: 7+1 DGT , Variables: kWh, kvarh, VLL, VLN, Admd max, VA, VAdmd, VAdmd max, W, Wdmd, Wdmd max, var, PF, Hz, Phase-sequence, Digital inputs: 3, Pulse: none, Alarms: none, Analogue: none

Compact Three-Phase Network Analyzer, Direct Connection up to 65A, Power/Gas/Water Readout, Mid

Three-phase MID Energy analyzer, 230 V L-N 400 V L-L, 10 (65) A, 3 digital inputs

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EM21072DMV53XOSX

EM21072DMV53XOSX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: DC/AC output (Opto Mosfet) , Input type: 3-phase AC , Connection: CT/VT, Communication: RS485 , Range: 400VLL,333mV current sensor, Display: 6+1 DGT , Variables: W, var, PF, Hz, Phase-sequence, Digital inputs: none, Pulse: 1, Alarms: none, Analogue: none

Three-phase electric energy meter, Removable display, Current input 333mA

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 333 mV (400 mV) A, RS485 Modbus RTU Pulse output

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ET112DINAV01XS1X

ET112DINAV01XS1X

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Function: Transducers, Mounting: DIN Rail, Power supply: Self power supply, Output digital input: None, Input type: 1-phase AC , Connection: Direct, Communication: Dual RS485 serial communication port, Range: 230 VLN AC, 5 (100) A, Display: None, Variables: kWh, kvarh, V, A, W, Wdmd, Wdmd max, var, PF, Hz, Digital inputs: 1, Pulse: none, Alarms: none, Analogue: none

Compact single-phase power transducer, DIN rail, Direct connection up to 100 A

Single-Phase Energy Transducer, 230 V L-N, 5 (100) A, RS485 Modbus RTU

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EM24DINAV23XDPX

EM24DINAV23XDPX

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: Self power supply, Output digital input: None, Input type: 3-phase AC , Connection: Direct, Communication: Dupline , Range: 196V to 460VLL 10(65)A , Display: 7+1 DGT , Variables: kWh, kvarh, VLL, VLN, Admd max, VA, VAdmd, VAdmd max, W, Wdmd, Wdmd max, var, PF, Hz, Phase-sequence, Digital inputs: 3, Pulse: none, Alarms: none, Analogue: none

Compact Three-Phase Network Analyzer, Direct Connection up to 65A, Energy/Gas/Water Readout

Three-phase Energy analyzer, 133 to 230 V L-N, 230 to 400 V L-L, 10 (65) A, Dupline port 3 digital inputs

 		3 View Availability View Price

EM28072DMV63XOSX

EM28072DMV63XOSX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: Dual static output (opto-mosfet) and serial port, Input type: 3-phase AC , Connection: CT/VT, Communication: None , Range: 120VLN/230VLL CA, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: 2, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU Pulse output

 		3 View Availability View Price

EM28072DMV63XOSN

EM28072DMV63XOSN

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: Dual static output (opto-mosfet) and serial port, Input type: 3-phase AC , Connection: CT/VT, Communication: None , Range: 120VLN/230VLL CA, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: 2, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU Pulse output

 		3 View Availability View Price

EM340DINAV23XM1X

EM340DINAV23XM1X

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: Self power supply, Input type: 3-phase AC , Connection: Direct, Communication: M-bus, Range: 208VLL to 400VLL 5(65)A, Display: 3x8DGT, Variables: kWh, kvarh, V, A, W, Wdmd, Wdmd max, var, PF, Hz, Digital inputs: 1, Pulse: 1, Alarms: none, Analogue: none

Compact three-phase energy meter with backlit touch LCD display

Three-phase Energy analyzer, 120 to 230 V L-N, 208 to 400 V L-L, 5 (65) A, M-Bus

 		3 View Availability View Price

EM21072DMV53XOXX

EM21072DMV53XOXX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: DC/AC output (Opto Mosfet) , Input type: 3-phase AC , Connection: CT/VT, Range: 400VLL,333mV current sensor, Display: 6+1 DGT , Variables: W, var, PF, Hz, Phase-sequence, Digital inputs: none, Pulse: 1, Alarms: none, Analogue: none

Three-phase electric energy meter, Removable display, Current input 333mA

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 333 mV (400 mV) A, Pulse output

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CPA0501LS1X

CPA0501LS1X

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Function: Contactless Power Analyzer, Mounting: Wall and DIN-rail, Output input port: None, Communication: RS485

Monitoring of photovoltaic plants, Hall effect AC/DC power analyzers

Contactless Power Analyser, 50 A AC/800 V AC, 50 A DC/1000 V DC, RS485 Modbus RTU

 		3 View Availability View Price

EM28072DMV63X2SX

EM28072DMV63X2SX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: None, Input type: 3-phase AC , Connection: CT/VT, Communication: Dual RS485 serial communication port, Range: 120VLN/230VLL CA, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: None, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU

 		3 View Availability View Price

EM28072DMV63X2SN

EM28072DMV63X2SN

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: None, Input type: 3-phase AC , Connection: CT/VT, Communication: Dual RS485 serial communication port, Range: 120VLN/230VLL CA, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: None, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU

 		3 View Availability View Price

EM28072DMV53X2SN

EM28072DMV53X2SN

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: None, Input type: 3-phase AC , Connection: CT/VT, Communication: Dual RS485 serial communication port, Range: 230VLN/400VLL AC, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: None, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU

 		3 View Availability View Price

EM340DINAV23XS1X

EM340DINAV23XS1X

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Function: Energy analyzer , Mounting: DIN Rail, Power supply: Self power supply, Output digital input: DC output (Open Collector) , Input type: 3-phase AC , Connection: Direct, Communication: RS485 , Range: 208VLL to 400VLL 5(65)A, Display: 3x8DGT, Variables: kWh, kvarh, V, A, W, Wdmd, Wdmd max, var, PF, Hz, Digital inputs: 1, Pulse: none, Alarms: none, Analogue: none

Compact three-phase energy meter with backlit touch LCD display

Three-phase Energy analyzer, 120 to 230 V L-N, 208 to 400 V L-L, 5 (65) A, RS485 Modbus RTU

 		3 View Availability View Price

CPA3001LS1X

CPA3001LS1X

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Function: Contactless Power Analyzer, Mounting: Wall and DIN-rail, Output input port: None, Communication: RS485

Monitoring of photovoltaic plants, Hall effect AC/DC power analyzers

Contactless Power Analyser, 300 A AC/800 V AC, 400 A DC/1000 V DC, RS485 Modbus RTU

 		3 View Availability View Price

EM28072DMV53X2SX

EM28072DMV53X2SX

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Function: Energy analyzer , Mounting: DIN-rail and Panel , Power supply: Self power supply, Output digital input: None, Input type: 3-phase AC , Connection: CT/VT, Communication: Dual RS485 serial communication port, Range: 230VLN/400VLL AC, Display: 6+1 DGT , Variables: kWh, kvarh, V, A, W, Digital inputs: None, Pulse: None, Alarms: None, Analogue: none

Compact three-phase multichannel power analyzer, Measurement 2 three-phase or 6 single-phase loads

Three-phase Energy analyzer, 160 to 240 V L-N, 277 to 415 V L-L, 32 (36) A, RS485 Modbus RTU

 		3 View Availability View Price

ET340DINAV23XS1X

ET340DINAV23XS1X

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Function: Transducers, Mounting: DIN Rail, Power supply: Self power supply, Input type: 3-phase AC , Connection: Direct, Communication: Dual RS485 serial communication port, Range: 208VLL to 400VLL 5(65)A, Display: None , Variables: kWh, kvarh, V, A, W, Wdmd, Wdmd max, var, PF, Hz, Digital inputs: 1, Pulse: none, Alarms: none, Analogue: none

Compact three-phase power transducer, DIN rail, Direct connection up to 65 A

Three-phase Energy Transducer, 120 to 230 V L-N, 208 to 400 V L-L, 5 (65) A, RS485 Modbus RTU

 		3 View Availability View Price

7KT1540

7KT1540

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E counter with LC display, 3-phase, CT/5A, 2xS0, 2 tariffs, Transformer connection with meter zero setting data transmission function

 		3 View Availability View Price

CPTDINAV61LV1AX

CPTDINAV61LV1AX

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Selected parameters FUNCTION Transducers MOUNTING DIN Rail POWER SUPPLY 18 to 60V AC/DC OUTPUT DIGITAL INPUT Analogue output 10VDC INPUT TYPE 1-phase AC CONNECTION CT/VT COMMUNICATION None Others RANGE 120/(208)VLL 5(6)AAC DISPLAY None VARIABLES V, A, Hz, W,VA, var, PF, kWh, kvarh, Hours DIGITAL INPUTS none PULSE none ALARMS none ANALOGUE 1

Compact Three-Phase Power Transducer, Din Rail, Advanced Version

Three phase Energy transducer, 57 to 120 V L-N, 100 to 208 V L-L, 5 (6) A, 3 analogue output 20 mA dc, 1 analogue output 10 V dc

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CPTDINAV51HV1AX

CPTDINAV51HV1AX

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Selected parameters FUNCTION Transducers MOUNTING DIN Rail POWER SUPPLY 90 to 260V AC/DC OUTPUT DIGITAL INPUT Analogue output 10VDC INPUT TYPE 1-phase AC CONNECTION CT/VT COMMUNICATION None Others RANGE 400/(690)VLL 5(6)AAC DISPLAY None VARIABLES V, A, Hz, W,VA, var, PF, kWh, kvarh, Hours DIGITAL INPUTS none PULSE none ALARMS none ANALOGUE 1

Compact three-phase power transducer, DIN rail, Advanced version

Three phase Energy transducer, 230 to 347 V L-N, 400 to 600 V L-L, 5 (6) A, 1 analogue output 10 V dc, 1 analogue output 10 V dc

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