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Three-phase bidirectional energy meter Huawei DTSU666-H in the 250A/50mA version with external current transformers (CT). Smart Power Sensor with RS485 (Modbus-RTU) and Class 1 accuracy.
The Huawei DTSU666-H 3-phase CT 250A/50mA is a bidirectional energy meter (Smart Power Sensor) supplied with external current transformers (3 × CT 250 A/50 mA). Designed for measuring imported and exported energy in higher-current PV installations and compatible with Huawei inverters. Key specs: 3P4W metering, 0–250 A via CTs, Class 1 accuracy, RS485 Modbus-RTU at 9600 bps and DIN35 rail mounting.
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