Alphaess DTSU666 400V energy meter with 3 CT 100A transformers
Product reference: 39-4005

The DTSU666, with three current transformers (CTs), is a reliable and accurate three-phase energy meter designed by AlphaESS for monitoring energy consumption in residential and commercial applications. The DTSU666 features a clear LCD display that provides a clear view of measurements and settings.

Alphaess DTSU666 400V energy meter with 3 CT 100A transformers

Product reference: 39-4005

The DTSU666, with three current transformers (CTs), is a reliable and accurate three-phase energy meter designed by AlphaESS for monitoring energy consumption in residential and commercial applications. The DTSU666 features a clear LCD display that provides a clear view of measurements and settings.

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Guarantee
24 month

Delivery from Europe in
5 - 8
business days

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AlphaESS Smart Meter DTSU666 3-phase energy meter


The AlphaESS Smart Meter DTSU666 is an advanced three-phase energy meter that provides precise measurements and features for efficient energy management. Ideal for modern energy installations – both domestic and commercial.

Main features:





Accurate three-phase measurement



  • Records active and reactive energy with an accuracy of ±1% at a load above 5%.




Easy-to-read LCD display



  • The clear and intuitive screen allows you to quickly view current network parameters and energy consumption.




Advanced communication and compatibility



  • Supports RS485 / Modbus RTU protocol, which allows integration with AlphaESS systems and inverters from other manufacturers.




Data logging and real-time analysis



  • The ability to track and report energy consumption data allows you to identify areas for optimization.




Universal installation



  • Standard 35mm DIN rail mounting and compact housing facilitate integration into existing switchboards.




Maintenance-free operation



  • Perfect cooperation with the AlphaESS hybrid inverter ensures reliable operation without the need for additional configuration.



Specification:



  • Input voltage: 3×230 VAC or 3×400 VAC (3P3W / 3P4W)

  • CT measuring current: Standard 100 A / 40 mA; additional 50 A CT for extension

  • Current measurement range: 0-100 A (with CT) ±0.5% voltage, ±1% energy/power

  • Communication: RS-485, Modbus-RTU, 9600 bps

  • Power consumption: Voltage, current, active/reactive/apparent power, energy, frequency, COSφ

  • Operating temperature: -25 to +60 (storage range -40 / +70)

  • Dimensions: ~100 × 72 × 65 mm; weight ~1.2-1.5 kg




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