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Feeder Measurement & Control
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Accura 2300/2350
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Voltage Measurement in the Incoming Feeder | |||
Measures voltage by sensing voltage in the incoming feeder in distribution panels | |||
Display | |||
Displays the measurement data of Accura 2300, as well as the data collected from Accura 2350 modules on the LCD screen1 | |||
Measurement Parameters | |||
Voltage
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Line-to-neutral voltage, Line-to-line voltage, Frequency, Fundamental2,3, Harmonics2,3, THD | ||
Vector diagram(Phasor)3, Residual voltage 3,4 | |||
Unbalance according to symmetrical components(zero sequence or negative sequence)3, the NEMA standard3 | |||
Temperature | Measures the temperature of Accura 2300 with a sensor located on the side of the module | ||
Power Quality | |||
Dip(Sag), Swell | RMS voltage values measured over 1 cycle(refreshed every half cycle) | ||
Harmonics | Up to the 40th order | ||
Unbalance3 | Line-to-neutral/Line-to-line voltage unbalance, zero-sequence/negative-sequence unbalance | ||
Measurement Events | |||
Type of Event
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Dip(Sag), Swell events | ||
Phase open events3, Fuse fail events, Over temperature events | |||
Over current events, Over leakage current events | |||
Over demand current events, Over power events | |||
Max number of event logs | 100 | ||
Internal Communication with Accura 2350 Modules | |||
Dedicated communication
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Sends sampled voltage data to multiple Accura 2350 modules | ||
Collects measurement data from multiple Accura 2350 modules | |||
External Communication with the Host System | |||
Ethernet
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Communicates with the host system using 100 Mbps full duplex Modbus TCP protocol | ||
Ethernet switching using 2 ports | |||
Wiring mode: Star, Daisy-chain, Ring topology(RSTP5 supported) | |||
RS-4857 | Communicates with the host system using Modbus RTU protocol at 1,200 – 115,200 bps6 | ||
Digital Input/Output7 | |||
Digital Input | 2 channels, dry contact | ||
Digital Output | 1 channel, Form A relay | ||
Power Supply | |||
Power voltage | AC 85 – 265 V 50/60 Hz, DC 100 – 300 V |
Power Measurement in Branch Loads/ Main Incoming Feeder | ||||
Measures various power characteristics based on the sampled current data measured in the incoming feeder or branch load, as well as the sampled voltage data received from Accura 2300 module | ||||
Model | Basic Current | |||
Three-phase
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Accura 2350-3P-250A-105 | 250 A | ||
Accura 2350-3P-125A-90 | 125 A | |||
Accura 2350-3P-100A-75 | 100 A | |||
Accura 2350-3P-60A-75 | 60 A | |||
Accura 2350-3P-CT5A-751 | CT5 A | |||
Single-phase
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Accura 2350-1P-250A-105 | 250 A | ||
Accura 2350-1P-125A-60 | 125 A | |||
Accura 2350-1P-100A-50 | 100 A | |||
Accura 2350-1P-60A-50 | 60 A | |||
Accura 2350-1P-50A-35 | 50 A | |||
Accura 2350-1P-30A-35 | 30 A | |||
Single-phase single-hole
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Accura 2350-1PSH-50A-35 | 50 A | ||
Accura 2350-1PSH-30A-35 | 30 A | |||
Measurements | ||||
Current
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RMS, Fundamental, THD, TDD, Harmonics2, Residual current3, Leakage current | |||
Vector diagram(Phasor)2, Crest factor2, K-factor2 | ||||
Unbalance according to symmetrical components(zero sequence or negative sequence)3, the NEMA standard3 | ||||
Power | Active power, Reactive power, Apparent power | |||
Energy | Active energy(Received/Delivered/Net/Sum), Reactive energy 2, Apparent energy 2 | |||
Power factor | Power factor | |||
Demand | Current/power demand, Peak current/power demand, Predicted current/power demand2 | |||
Internal Communication with Accura 2300 | ||||
Dedicated communication
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Receives sampled voltage data from Accura 2300 | |||
Sends measurement and operational status data to Accura 2300 | ||||
Power Supply | ||||
Power voltage | Receives power from Accura 2300 |
Power Measurement in Branch Loads/ Main Incoming Feeder | ||||
Measures various power characteristics based on the sampled current data measured in the incoming feeder or branch load, as well as the sampled voltage data received from Accura 2300 module | ||||
Model | Basic Current | |||
Split-core three-phase
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Accura 2350-3PSC-250A-105 | 250 A | ||
Accura 2350-3PSC-125A-90 | 125 A | |||
Accura 2350-3PSC-60A-75 | 100 A | |||
Accura 2350-3PSC-CT5A-901 | 60 A | |||
Split-core single-phase
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Accura 2350-1PSC-250A-105 | 250 A | ||
Accura 2350-1PSC-125A-60 | 125 A | |||
Accura 2350-1PSC-60A-50 | 60 A | |||
Split-core single-phase single-hole4
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Accura 2350-1PSCSH-800A | 800 A | ||
Accura 2350-1PSCSH-630A | 630 A | |||
Accura 2350-1PSCSH-400A | 400 A | |||
Measurements | ||||
Current
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RMS, Fundamental, THD, TDD, Harmonics2, Residual current3, Leakage current | |||
Vector diagram(Phasor)2, Crest factor2, K-factor2 | ||||
Unbalance according to symmetrical components(zero sequence or negative sequence)3, the NEMA standard3 | ||||
Power | Active power, Reactive power, Apparent power | |||
Energy | Active energy(Received/Delivered/Net/Sum), Reactive energy 2, Apparent energy 2 | |||
Power factor | Power factor | |||
Demand | Current/power demand, Peak current/power demand, Predicted current/power demand2 | |||
Internal Communication with Accura 2300 | ||||
Dedicated communication
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Receives sampled voltage data from Accura 2300 | |||
Sends measurement and operational status data to Accura 2300 | ||||
Power Supply | ||||
Power voltage | Receives power from Accura 2300 |
Model | Description | |
Three-phase
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TM-3P-105 | For use with Accura 2350-3P-250A-105 module |
TM-3P-90 | For use with Accura 2350-3P-125A-90 module | |
TM-3P-75L | For use with Accura 2350-3P-100A-75 module | |
TM-3P-75 | For use with Accura 2350-3P-60A-75 module | |
TM-3P-105-LB1 | For use with Accura 2350-3P-250A-105 module | |
TM-3P-90-LB1 | For use with Accura 2350-3P-125A-90 module | |
TM-3P-75L-LB1 | For use with Accura 2350-3P-100A-75 module | |
TM-3P-75-LB1 | For use with Accura 2350-3P-60A-75 module | |
Single-phase
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TM-1P-105 | For use with Accura 2350-1P-250A-105 module |
TM-1P-60 | For use with Accura 2350-1P-125A-60 module | |
TM-1P-50L | For use with Accura 2350-1P-100A-50 module | |
TM-1P-50 | For use with Accura 2350-1P-60A-50 module | |
TM-1P-105-LB1 | For use with Accura 2350-1P-250A-105 module | |
TM-1P-60-LB1 | For use with Accura 2350-1P-125A-60 module | |
TM-1P-50L-LB1 | For use with Accura 2350-1P-100A-50 module | |
TM-1P-50-LB1 | For use with Accura 2350-1P-60A-50 module |
Power Supply | ||
Port name | L+, N-, G(earth ground) | |
Connector type | Terminal block1 | |
Wire specs | 2.1 – 4.0 mm2(14 – 12 AWG), copper or aluminum | |
Wire temp rating | Above 70 °C | |
Power voltage | AC 85 – 265 V 50/60 Hz, DC 100 – 300 V | |
Withstand voltage | AC 2,500 V RMS, 60 Hz for 1 minute | |
Operating envir. | Pollution degree 2 | |
Power consumption | Max 20 VA | Varies by the number of connected Accura 2350 modules |
Inrush current | Peak 25 A, duration: less than 2 msec(AC 220 V)2 | |
Voltage Input | ||
Port name | V1, V2, V3, VN | |
Connector type | Terminal block1 | |
Wire specs | 2.1 – 3.5 mm2(14 – 12 AWG), copper or aluminum | |
Wire temp rating | Above 70 °C | |
Burden | 0.02 VA/phase @ 220 V | |
Withstand voltage | AC 2,000 V RMS, 60 Hz for 1 minute | |
Impedance | 10 M¥Ø/phase | |
Meas. category | Category ¥² | |
Internal Communication with Accura 2350 Modules | ||
Dedicated communication
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Port name | RJ12–1, RJ12–2 (2 ports) |
Comm. cable | 6C telephone line3 | |
Cable length4 | Up to 6 m for each port | |
Max number of connectable modules5 | 15 for each port | |
External Communication with the Host System | ||
Ethernet
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Port name | Ethernet1, Ethernet2 (2 ports) |
Connector type | RJ45 | |
Protocol | Modbus TCP | |
Ethernet cable | STP(Shielded Twisted Pair)/ SFTP(Screened Foiled Twisted Pair) Cat 5e | |
Comm. speed | 100 Base–TX(100 Mbps/Full Duplex) | |
Wiring mode | Star, Daisy-Chain, Ring topology | |
RS–48514
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Port name | Ta(TRX+), Tb(TRX-) |
Connector type | Screw-type terminal((Pluggable) | |
Protocol | Modbus TCP | |
Wire specs | 0.21 – 3.5 mm2(24 – 12 AWG), Shielded twisted pair6 | |
Cable length | Up to 1,219 m(4,000 ft) | |
Comm. speed | 1,200 – 115,2007 bps | |
Max number of connectable modules | 32 for each bus7 | |
Digital Input/Output14 | ||
Digital Input
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Port name | DI1, DI2, DIG |
Connector type | Terminal block8 | |
Input type | 2 channels, dry contact(common ground) | |
Wire specs | 1.5 – 3.5 mm2(16 – 12 AWG), copper or aluminum | |
Rating | DC 5 V (Self excitation) | |
Isolation | Max 300 V | |
Min pulse width | 1 s | |
Digital output
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Port name | DO, DOG |
Connector type | Terminal block8 | |
Wire specs | 1.5 – 3.5 mm2(16 – 12 AWG), copper or aluminum | |
Output contact | 1 channel, Form A relay | |
Output type | Latch, Uncountable/Countable Pulse9, Periodic Pulse9 | |
Isolation | AC 2,000 V for 1 minute | |
Min pulse width | AC 250 V 5 A, DC 110 V 0.3 A, DC 30 V 5 A | |
Voltage Measurement | ||
Wiring mode | 3P4W, 3P3W, 1P3W, 1P2W | |
Sampling rate | 512 samples/cycle | |
Frequency meas. | 50/60 Hz, 42 – 69 Hz | |
Voltage
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Measuring range10(accuracy guaranteed) | AC 60 – 600 V Line–to–line |
Accuracy | ±0.2 % Reading | |
Max measured value | AC 660 V Line–to–line | |
Min measured value | AC 5 V Line–to–neutral | |
Measurement data |
Line-to-neutral voltage, Line-to-line voltage, Frequency, Fundamenta11,12, Harmonics11,12, THD | |
Vector diagram(Phasor)12, Residual voltage12,13 | ||
Unbalance according to symmetrical components(zero sequence or negative sequence)12, the NEMA standard12 | ||
Power Quality | ||
Dip(Sag), Swell | RMS voltage values measured over 1 cycle(refreshed every half cycle) | |
Voltage harmonics11
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Harmonic order | Up to the 40th order |
Measurement data | THD, Magnitude of each harmonic | |
Voltage unbalance12
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Line-to-neutral/Line-to-line voltage unbalance according to the NEMA standard | |
Zero-sequence/negative-sequence voltage unbalance |
Current Input | ||||||
Connector type | Through-hole type | |||||
Wire size | Selectable according to hole dimensions | |||||
Measurement | ||||||
Frequency measurement | 50/60 Hz, 42 – 69 Hz | |||||
Sampling
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FFT calculation(harmonic measurement) | 64 samples/cycle | ||||
RMS calculation(basic measurement) | 32 samples/cycle | |||||
Current
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Model | Basic Current | Measuring Range (Accuracy guaranteed) | Min Meas.Value | Hole Dimensions | |
Accura 2350-3P-250A-105 | 250 A |
1 A
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300 A
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250 mA | Ø21.0 mm | ||
Accura 2350-3P-125A-90 | 125 A |
500 mA
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150 A
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125 mA | Ø16.5 mm | ||
Accura 2350-3P-100A-75 | 100 A |
400 mA
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120 A
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100 mA | Ø13.5 mm | ||
Accura 2350-3P-60A-75 | 60 A |
240 mA
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72 A
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60 mA | Ø13.5 mm | ||
Accura 2350-3P-CT5A-751 | CT5 A |
CT20 mA
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6 A2
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CT5 mA | Ø13.5 mm | ||
Accura 2350-1P-250A-105 | 250 A |
1 A
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300 A
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250 mA | Ø21.0 mm | ||
Accura 2350-1P-125A-60 | 125 A |
500 mA
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150 A
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125 mA | Ø16.4 mm | ||
Accura 2350-1P-100A-50 | 100 A |
400 mA
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120 A
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100 mA | Ø13.5 mm | ||
Accura 2350-1P-60A-50 | 60 A |
240 mA
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72 A
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60 mA | Ø13.5 mm | ||
Accura 2350-1P-50A-35 | 50 A |
200 mA
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60 A
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50 mA | Ø8.9 mm | ||
Accura 2350-1P-30A-35 | 30 A |
120 mA
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36 A
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30 mA | Ø8.9 mm | ||
Accura 2350-1PSH-50A-35 | 50 A |
200 mA
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60 A
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50 mA | Ø9.0 mm | ||
Accura 2350-1PSH-30A-35 | 30 A |
120 mA
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36 A
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30 mA | Ø9.0 mm | ||
Accuracy | ±0.2 % Reading | |||||
Measured data
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RMS, Fundamental, THD, TDD, Harmonics3, Residual current4, Leakage current | |||||
Vector diagram(Phasor)3, Crest factor3, K-factor3 | ||||||
Unbalance according to symmetrical components(zero sequence or negative sequence)4, the NEMA standard4 | ||||||
Leakage current
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Leakage current input | Voltage-type external ZCT 200 mA/100 mV @1.2 k¥Ø Burden | ||||
Accuracy5/Measuring range | ±2 % Reading + 2 mA / Up to 1 A | |||||
Power
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Active |
Accuracy
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IEC 61557-12 Class 0.5 | |||
Reactive | IEC 61557-12 Class 1 | |||||
Apparent | IEC 61557-12 Class 0.5 | |||||
Energy
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Active
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Accuracy | IEC 62053-22 Class 0.5S | |||
Measured data | Received/Delivered/Net/Sum(total) energy | |||||
Reactive3
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Accuracy | IEC 62053-24 Class 1 | ||||
Measured data | Positive/Negative/Net/Sum(total) energy | |||||
Apparent3 | Accuracy | IEC 61557-12 Class 0.5 | ||||
Power factor | Power factor | |||||
Demand | Current/Power | Demand, Peak demand, Predicted demand3,6 | ||||
Power Quality | ||||||
Current harmonics
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Harmonic order | Up to the 31st harmonic | ||||
Measured data | THD, TDD, magnitude of each harmonic3 | |||||
Current unbalance4
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Current unbalance according to the NEMA standard | |||||
Zero-sequence/negative-sequence current unbalance |
Current Input | ||||||
Connector type | Through-hole type | |||||
Wire size | Selectable according to hole dimensions | |||||
Measurement | ||||||
Frequency measurement | 50/60 Hz, 42 – 69 Hz | |||||
Sampling
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FFT calculation(harmonic measurement) | 64 samples/cycle | ||||
RMS calculation(basic measurement) | 32 samples/cycle | |||||
Current
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Model | Basic Current | Measuring Range (Accuracy guaranteed) | Min Meas.Value | Hole Dimensions | |
Accura 2350-3PSC-250A-105 | 250 A |
2.50 A
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300 A
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1.67 A | 23.0 x 31.7 mm | ||
Accura 2350-3PSC-125A-90 | 125 A |
1.25 A
-
150 A
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0.83 A | 18.2 x 31.7 mm | ||
Accura 2350-3PSC-60A-75 | 60 A |
0.60 A
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72 A
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0.40 A | 13.4 x 31.7 mm | ||
Accura 2350-3PSC-CT5A-90 |
60 A |
0.60 A
-
72 A |
0.40 A |
6.2 x 6.5mm(A,C) | ||
6.2 x 7.7 mm(B)3 | ||||||
Accura 2350-1PSC-250A-105 | 250 A |
2.50 A
-
300 A
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1.67 A | 23.0 x 31.7 mm | ||
Accura 2350-1PSC-125A-60 | 125 A |
1.25 A
-
150 A
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0.83 A | 17.9 x 31.7 mm | ||
Accura 2350-1PSC-60A-50 | 60 A |
0.60 A
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72 A
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0.40 A | 13.0 x 31.7 mm | ||
Accuracy | ±0.5 % Reading4 | |||||
Measured data
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RMS, Fundamental, THD, TDD, Harmonics5, Residual current6, Leakage current | |||||
Vector diagram(Phasor)5, Crest factor5, K-factor5 | ||||||
Unbalance according to symmetrical components(zero sequence or negative sequence)6, the NEMA standard6 | ||||||
Leakage current
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Leakage current input | Voltage-type external ZCT 200 mA/100 mV @1.2 k¥Ø Burden | ||||
Accuracy7/Measuring range | ±2 % Reading + 2 mA / Up to 1 A | |||||
Power
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Active |
Accuracy
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IEC 61557-12 Class 0.5 | |||
Reactive | IEC 61557-12 Class 1 | |||||
Apparent | IEC 61557-12 Class 0.5 | |||||
Energy
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Active
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Accuracy | IEC 62053-22 Class 0.5S | |||
Measured data | Received/Delivered/Net/Sum(total) energy | |||||
Reactive5
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Accuracy | IEC 62053-24 Class 1 | ||||
Measured data | Positive/Negative/Net/Sum(total) energy | |||||
Apparent5 | Accuracy | IEC 61557-12 Class 0.5 | ||||
Power factor | Power factor | |||||
Demand | Current/Power | Demand, Peak demand, Predicted demand5,8 | ||||
Power Quality | ||||||
Current harmonics
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Harmonic order | Up to the 31st harmonic | ||||
Measured data | THD, TDD, magnitude of each harmonic5 | |||||
Current unbalance6
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Current unbalance according to the NEMA standard | |||||
Zero-sequence/negative-sequence current unbalance |
Current Input | ||||||
Connector type | Through-hole type | |||||
Wire size | Selectable according to hole dimensions | |||||
Measurement | ||||||
Frequency measurement | 50/60 Hz, 42– 69 Hz | |||||
Sampling
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FFT calculation(harmonic measurement) | 64 samples/cycle | ||||
RMS calculation(basic measurement) | 32 samples/cycle | |||||
Current
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Model | Basic Current | Measuring Range (Accuracy guaranteed) | Min Meas.Value | Hole Dimensions | |
Accura 2350-1PSCSH-800A | 800 A |
3.20 A
-
960 A
|
0.80 A | 43.9 x 45.1 mm | ||
Accura 2350-1PSCSH-630A | 630 A |
2.52 A
-
756 A
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0.63 A | 33.5 x 41.2 mm | ||
Accura 2350-1PSCSH-400A | 400 A |
1.60 A
-
480 A
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0.40 A | 33.5 x 41.2 mm | ||
Accuracy | ±0.2 % Reading | |||||
Measured data
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RMS, Fundamental, THD, TDD, Harmonics1, Residual current2, Leakage current | |||||
Vector diagram(Phasor)1, Crest factor1, K-factor1 | ||||||
Unbalance according to symmetrical components(zero sequence or negative sequence)2, the NEMA standard2 | ||||||
Leakage current
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Leakage current input | Voltage-type external ZCT 200 mA/100 mV @1.2 k¥Ø Burden | ||||
Accuracy3/Measuring range | ±2 % Reading + 2 mA / Up to 1 A | |||||
Power
|
Active |
Accuracy
|
IEC 61557-12 Class 0.2 | |||
Reactive | IEC 61557-12 Class 1 | |||||
Apparent | IEC 61557-12 Class 0.2 | |||||
Energy
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Active
|
Accuracy | IEC 62053-22 Class 0.2S | |||
Measured data | Received/Delivered/Net/Sum(total) energy | |||||
Reactive1
|
Accuracy | IEC 62053-24 Class 1 | ||||
Measured data | Positive/Negative/Net/Sum(total) energy | |||||
Apparent1 | Accuracy | IEC 61557-12 Class 0.2 | ||||
Power factor | Power factor | |||||
Demand | Current/Power | Demand, Peak demand, Predicted demand1,4 | ||||
Power Quality | ||||||
Current harmonics
|
Harmonic order | Up to the 31st harmonic | ||||
Measured data | THD, TDD, magnitude of each harmonic5 | |||||
Current unbalance2
|
Current unbalance according to the NEMA standard | |||||
Zero-sequence/negative-sequence current unbalance |
Device Type | |||
Model | Weight | ||
Three-phase
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TM-3P-105 | 339 g | |
TM-3P-90 | 202 g | ||
TM-3P-75L | 183 g | ||
TM-3P-75 | 133 g | ||
TM-3P-105-LB1 | 361 g | ||
TM-3P-90-LB1 | 216 g | ||
TM-3P-75L-LB1 | 220 g | ||
TM-3P-75-LB1 | 160 g | ||
Single-phase
|
TM-1P-105 | 246g | |
TM-1P-60 | 134g | ||
TM-1P-50L | 121g | ||
TM-1P-50 | 88g | ||
TM-1P-105-LB1 | 246 g | ||
TM-1P-60-LB1 | 142 g | ||
TM-3P-50L-LB1 | 128 g | ||
TM-3P-50-LB1 | 96 g |
Environmental Conditions | |
Operating temperature | -20 to 70 ¡É(-4 to 158 ¢µ) |
Safe operating temperature1 | -20 to 65 ¡É(-4 to 149 ¢µ) |
Storage temperature | -40 to 85 ¡É(-40 to 185 ¢µ) |
Operating humidity | 5 - 95 %(non-condensing) |
Operating altitude | Up to 2,000 m |
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102-611, 88, Sin won-ro, Yeongtong-gu, Suwon, Gyeonggi-do, Korea TEL 82 31 695 7350 FAX 82 31 695 7399 COPYRIGHT(C)ROOTECH. ALL RIGHTS RESERVED. |
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