Technical Documentation of Sinotimer DDS576 Three-Phase Electric Energy Meter

• Product Name: Three-Phase Electric Energy Meter
• Model: Sinotimer DDS576
• Type: Three-phase electronic meter for measuring electric energy (kWh)

Technical Data

• Rated Voltage: 3 x 230/400 V AC, 50 Hz
• Rated Current: 3 x 5 A
• Maximum Current: 100 A
• Pulse Constant: 400 imp/kWh
• Pulse Output: Yes, with optical isolation
• LED Indicator: Yes, pulse indication
• Installation: DIN 35 mm
• Dimensions (L x W x H): 125 x 73 x 88 mm
• Weight: 560 g
• Display: Digital LED (kWh)

Main Features

• Measurement of electric energy (kWh)
• Consumption indication on LED display
• Pulse output for connection with external monitoring systems (400 imp/kWh)
• LED indicator for meter operation
• Quick installation on DIN rail, ideal for electric panels

Application Areas

• Energy consumption monitoring in industrial and commercial three-phase installations
• Electric distribution panels
• Energy management systems
• Integration with monitoring systems via pulse output

Installation and Mounting

• Installation: on 35 mm DIN rail
• Connection: Phases and neutral to specified terminals
• Polarity and phase sequence compliance
• Recommended protection: fuses or circuit breakers for each phase
• Precautions: Installation must be performed only by qualified personnel. Work only with power off.

Operation and Indications

• LED Display: shows total consumption in kWh
• Pulse LED: pulses proportional to consumed energy (400 imp/kWh)
• Memory: accumulated consumption remains stored even after power outage

Environmental Specifications

• Operating Temperature: -20°C to +55°C (typical for these types of meters)
• Maximum Humidity: 75% RH
• Accuracy Class: 1.0

Notes and Recommendations

• For proper use, periodic verification of electrical connections is necessary.
• Do not use in environments with excessive dust, high humidity, or extreme temperatures.
• Recommended for electric panels with sufficient space and appropriate ventilation.