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Modbus TCP, 3-phase power meter, 500A Rogowki Coil CT


Modbus TCP, 3-phase power meter, 500A Rogowki Coil CT

  Price:  $1,959.00  

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The PM-3133-RCT series are the most powerful, cost-effective, advanced Smart Power Meters in the market. PM-3133-RCT Smart Power Meters allows the users to access to real-time electric usage for three-phase power measurement. With its high accuracy (<1%, PF=1; Input Current >50A), this PM-3133-RCT series can be used to both low voltage primary side and medium/high voltage secondary side and enables the users to obtain reliable and accurate energy consumption readings from the monitored equipment in real time under operation. The PM-3133-RCT series monitors equipment with Rogowski Coil CT is "rope-style" Current Transformer, allowing "Easy Installation" features for large window size (55 ~ 105mm) and mechanical flexibility tight spaces.

PM-3133-RCT Smart Power Meters series operates over a wide range of input voltages 10 ~ 500 VAC, allowing universal compatibility. The PM-3133-RCT Smart Power Meters series also has 2 channels relay outputs, allowing it to be linked with sirens or lightings for alarm messages. It also supports Modbus RTU, Modbus TCP or CANopen protocols for easy integration.

  • True RMS Power Measurements
  • Energy Analysis for 3P4W, 3P3W, 1P3W, 1P2W
  • Current Measurements Up to 2000 A
  • Voltage Measurements Up to 500 V
  • Rogowski Coil Soft CT for Easy Installation
  • W Accuracy Better than 1% (PF=1; Input Current >50A)
  • Supports RS-485, Ethernet (PoE) or CANopen Interface
  • Supports Modbus RTU, Modbus TCP or CANopen Protocol
  • Supports 2 Power Relay Output (Form A)
  • Total Harmonic Distortion (THD)


AC Power Measurement


3P4W-3CT, 3P3W-2CT, 3P3W-3CT, 1P2W-1CT, 1P3W-2CT

Measurement Voltage

10 ~ 500 V

Measurement Current

CTØ55 mm (500 A), CTØ80 mm (1000 A), CTØ105 mm (2000 A)

Measurement Frequency

50/60 Hz

W Accuracy

Better than 1% (PF=1; Input Current >50 A)

Power Parameter Measurement

True RMS voltage (Vrms), True RMS current (Irms), Active Power (kW), Active Energy (kWh), Apparent Power (kVA), Apparent Energy (kVAh), Reactive Power (kVAR), Reactive Energy (kVARh), Power Factor (PF), Frequency, THD

Data Update Rate

1 Second



Ethernet (PoE)


Modbus TCP

Baud rate


Data format




Alarm Output

Power Relay

Form A (Normal Open) x 2; Relay Contact Voltage Range: 5 A @ 250 VAC (47 ~ 63Hz), 5 A @ 30 VDC


Input Range

+12 ~ 48 VDC or PoE

Power Consumption

2 W



Operating Temperature: -20 ~ +70°C / Storage Temperature: -25 ~ +80°C

Ambient Relative Humidity

10% ~ 90% RH, Non-condensing

References and Support

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