Technical Documentation – Sinotimer DDS024

The Sinotimer DDS024 is an electronic three-phase energy meter (3 phases + neutral), designed for measuring energy consumption in three-phase electrical installations. The device supports direct connection up to 80A per phase and displays consumption on an LCD screen with backlighting.

Suitable for monitoring energy consumption in homes, commercial buildings, workshops, industrial halls, and three-phase electrical panels.

Main Features

• Three-phase electronic meter 3P+N
• Active energy measurement (kWh)
• Direct connection without current transformers
• LCD display with backlight and blue background
• LED indicators for each phase (L1, L2, L3)
• Energy pulse indicator
• High accuracy Class 1.0
• 35 mm DIN rail mounting
• Compact dimensions (4 modules)

Technical Specifications

• Brand: Sinotimer
• Model: DDS024
• Product type: Three-phase energy meter
• Electrical system: 3 phases + N (3P4W)
• Rated voltage: 3×230/400V AC
• Rated current: 5A
• Maximum current: 80A
• Frequency: 50Hz
• Accuracy class: 1.0
• Standard: IEC62053-21
• Pulse constant: 400 imp/kWh
• Display: LCD display with backlight
• Mounting: 35 mm DIN rail
• Certification: CE

Functions

• Measurement of total active energy consumption (kWh)
• Continuous consumption display
• LED indicator for each phase
• Energy pulse indicator
• Automatic operation without configuration
• Data retention during power outages

Applications

• Homes with three-phase supply
• Industrial halls
• Workshops
• Commercial buildings
• Electrical panels
• Energy consumption monitoring
• Three-phase electrical systems

Advantages

• Direct connection up to 80A
• Backlit LCD display for easy reading
• Quick installation on DIN rail
• High accuracy according to IEC62053-21 standard
• Separate indicators for each phase
• Low self-consumption
• High reliability

Connections

• Input (INPUT):
• Position 1 – L1
• Position 3 – L2
• Position 5 – L3
• Position 7 – N

• Output (OUTPUT):
• Position 2 – L1
• Position 4 – L2
• Position 6 – L3
• Position 8 – N

Dimensions

• Height: 100 mm
• Width: 76 mm
• Depth: 65 mm
• Body width: 4 DIN modules (approximately 72 mm)

Package Contents

• 1 × Sinotimer DDS024 three-phase energy meter
• User manual

Warnings

• The product is intended exclusively for three-phase 3×230/400V AC networks.
• The maximum allowable current is 80A per phase.
• Installation and commissioning must be carried out only by a certified electrician, in accordance with applicable electrical regulations.