HUAWEI DTSU666-HW/YDS60-80 energiemeter, 3-fase, 4-draads, direct/CT, 80A, LCD, RS485, DIN-rail

The HUAWEI DTSU666-HW/YDS60-80 is a high-precision three-phase energy meter designed for commercial and industrial applications. It supports both direct measurement up to 80A and semi-indirect measurement via current transformers (CTs) with 1A or 5A secondary current (CTs not included). The meter features a backlit LCD display, RS485 communication with Modbus-RTU protocol, and DIN rail mounting. It complies with IEC 62053-21 and IEC 62053-23 standards, ensuring accuracy and reliability.

Advantages

Versatile measurement modes (direct or CT) allow flexible installation. The RS485 interface enables easy integration into energy management systems. Compact design with DIN rail mounting saves space in switchgear. High accuracy Class 1.0 ensures precise billing and monitoring.

Suitable for

• Commercial buildings
• Industrial facilities
• Energy monitoring systems
• Sub-metering applications
• Solar PV systems

Key specifications

• Phase: Three-Phase, 4-Wire (3p4w)
• Direct measurement: up to 80A
• CT secondary: 1A or 5A (CTs not included)
• Display: LCD with backlight
• Communication: RS485 (Modbus-RTU)
• Mounting: DIN rail (TH rail), depth >80mm
• Rated voltage: 3x230/400V AC
• Frequency: 50/60 Hz
• Accuracy class: Class 1.0 (active energy)
• Operating temperature: -25°C to +70°C
• Protection degree: IP51

Recommendations

For optimal performance, use appropriate CTs (not included) for currents above 80A. Ensure switchgear depth exceeds 80mm for proper installation. Verify compatibility with your energy management system's communication protocol.