Sigen Power Sensor Single Phase External CT 120 A DH

Sigen Power Sensor Single Phase External CT 120 A DH

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  • 1% high-accuracy power detection for precise control
  • LCD real-time info display, easy to operate and check
  • Integrates smoothly with Sigenergy devices, no need for setup
  • Top class 100 A direct connection in Power Sensor with built-in CT
  • Support export/import limitations and ready for AI evolving
  • 100 ms data refresh rate, instantaneous data feed
Availability:In stock
SKU SIG-SEN-SP-CT120-DH

Sigen Power Sensor Single Phase External CT 120A DH


The Sigen Power Sensor Single Phase External CT 120A DH is a compact and high-precision energy monitoring device designed for single-phase systems. It provides real-time measurement of electricity consumption and grid import/export, enabling smarter energy management and improved system performance.

With its external split-core CT, installation is quick and non-intrusive—no need to disconnect existing wiring—making it ideal for both new and retrofit installations.

Key Features

  • Accurate Energy Monitoring: Reliable, real-time measurement of voltage, current, and power flow.
  • 120A External Split-Core CT: Easy clip-on installation without rewiring or system interruption.
  • Import & Export Tracking: Monitors energy flow to and from the grid for better control and optimization.
  • Fast Data Response: Near real-time updates for responsive energy management.
  • Seamless Integration: Connects via RS485 (Modbus RTU) with Sigenergy systems, including inverters and gateways.
  • DIN Rail Mount Design: Compact and easy to install inside standard electrical panels.

Smart Monitoring for Better Energy Control

By delivering precise, real-time data, the Sigen Power Sensor enables your energy system to optimize self-consumption, support export limitation, and improve overall efficiency—making it an essential component for modern solar and storage setups.

Technical Specifications

Grid connection type 1P2W
Nominal AC frequency 50/60
Rated input voltage 176~276
Voltage accuracy 0.5%
Current accuracy 0.5%
Power accuracy 1%
Frequency accuracy 0.2%

Communication

Interface RS485
Baud rate 9600
Protocol Modbus RTU

General Data

Dimension (w/h/d) mm 18/118/64
Weight (kg) 0.07
Operating temperature range -40°C ~ 85°C
Storage temperature range -30-60
Relative humidity range 0%~90%
Ingress protection rating IP51

Standard Compliance

Standard EN 61010-1:2010, EN 61010-2-030:2010

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