Flexible Energy Measurement
Supports forward, reverse, forward + reverse and net-energy metering modes for flexible import/export measurement.
DEM4K003 6 A Three-Phase CT-Operated DIN-Rail Energy Meter with RS485
DEM4K003 is a 3P DIN-rail, CT-operated three-phase energy meter rated at 5(6) A with Class C accuracy. It supports RS485 communication with Modbus RTU and DL/T 645-2007 protocols and flexible CT/PT ratio configuration (up to 1000:1). No internal battery, no RTC and no tariff functions. MID B+D certified by SGS UK.
DIN-Rail Mounting
DIN-Rail Mounting
MID B+D Certified
MID
6 A Maximum current (CT)
3×230/400 V Rated voltage
Class C Active energy accuracy
−40°C to +70°C Operating temperature
Product Highlights
Flexible CT-Operated Metering with RS485 Integration
Class C Active Energy Accuracy
Class C active-energy measurement in accordance with IEC 62053-21 and EN 50470-3.
RS485 Dual-Protocol Communication
Supports Modbus RTU and DL/T 645 protocols with configurable baud rates up to 115200 bps for system integration.
Flexible CT/VT Ratios
CT and VT ratios are configurable from 1 to 1000 for different transformer-operated metering requirements.
3P3W / 3P4W Compatibility
Supports both three-phase three-wire and three-phase four-wire systems for flexible installation.
Battery-Free Design
No internal battery, RTC or tariff functions, providing a simplified configuration for standard RS485 CT-operated metering.
Applications
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Explore ApplicationStructure & Dimensions
DEM4K003 Dimensions & Wiring
Dimensions
Wiring
FAQ
Product FAQ
What is DEM4K003?
DEM4K003 is a 3P DIN-rail, CT-operated three-phase energy meter rated at 5(6) A with Class C accuracy. It supports RS485 communication with Modbus RTU and DL/T 645-2007 protocols and flexible CT/PT ratio configuration (up to 1000:1). No internal battery, no RTC and no tariff functions. MID B+D certified by SGS UK.
What connection type does it use?
CT operated with external current transformers. Supports 3P4W and 3P3W (Aron) wiring.
What communication protocols does it support?
RS485 with Modbus RTU and DL/T 645-2007 protocols.
Does DEM4K003 support tariff functions?
No. DEM4K003 has no internal battery, RTC or tariff functions. For a model with RTC-based 4-tariff metering, see DEM4K103.
What CT/PT ratios are supported?
CT ratio up to 1000:1 and PT ratio up to 1000:1, configurable via communication interface and buttons.
What is the certification status?
MID B+D certified by SGS UK.
Product Downloads
Product Datasheet Download
Datasheet
DEM4K Series Product Datasheet
Official DEM4K series datasheet covering product overview, specifications, wiring and dimensions.
Download PDF- Product overview and features
- Technical specifications
- Wiring diagrams and dimensions
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