Description

Sigenergy Power Sensor Three Phase External 300A CT DH

The Sigenergy Power Sensor Three Phase External 300A CT DH is a high-accuracy energy monitoring device designed for three phase solar and energy storage systems requiring higher current measurement. Using external 300A current transformers, this power sensor delivers precise, real-time data to enable intelligent control of grid import and export, load management, and overall system optimisation.

Designed to integrate seamlessly with Sigenergy solutions, the sensor plays a key role within the Sigenergy ecosystem, supporting advanced energy management when paired with SigenStor and other Sigenergy devices. Its fast data refresh rate and high measurement accuracy ensure reliable performance in residential, commercial, and light industrial installations.

Key Features

• Three phase power monitoring with external 300A CTs

• High-accuracy measurement for precise energy control

• LCD real-time display for easy monitoring and operation

• Seamless integration with Sigenergy systems with no configuration required

• Supports grid import and export limitation

• 100 ms fast data refresh rate for near real-time feedback

• Designed for higher current three phase applications

• Future-ready for AI-driven energy management

Specifications

• Product Type: Three Phase Power Sensor with External CT

• CT Rating: 300 A

• Electrical Phases: Three Phase (3P3W / 3P4W)

• AC Voltage Range: 100–480 V AC (3P4W), 173–480 V AC (3P3W)

• Grid Frequency: 50 / 60 Hz

• Voltage Measurement Accuracy: ±0.5%

• Current Measurement Accuracy: ±0.5%

• Power Measurement Accuracy: ±1%

• Communication Interface: RS485

• Communication Protocol: Modbus RTU

• Data Refresh Rate: 100 ms

• Display: Integrated LCD display

• Ingress Protection: IP20

• Mounting Type: 35 mm DIN rail

• Operating Temperature: -25°C to +65°C

• Storage Temperature: -40°C to +70°C

• Relative Humidity: 0% to 90%

• Dimensions (W x H x D): 72 x 100 x 65.5 mm

• Product Weight: Approx. 0.23 kg

• Part No: SIG-SENSOR-TP-CT300-DH

Applications

• Three phase solar PV systems

• Commercial and industrial energy monitoring

• Grid import and export control

• Sigenergy SigenStor installations

• Load management and peak demand control

What’s Included in the Box

• Sigenergy Power Sensor Three Phase External CT DH

• 3 x External 300A current transformers

• CT connection cables

• Installation accessories

• Manufacturer documentation

Why Buy This Product

• High Current Capability: External 300A CTs support demanding three phase installations

• Accurate Monitoring: Precise measurements enable better energy optimisation and control

• Seamless Integration: Designed specifically for Sigenergy ecosystems

• Fast Response: 100 ms refresh rate ensures reliable, real-time system performance

• Future-Proof Design: Ready for intelligent and AI-based energy management features

Disclaimer:

All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.