Flexible Energy Measurement
Supports forward, reverse, forward + reverse and net-energy metering modes for flexible import/export measurement.
DEM4K00A 6 A Three-Phase CT-Operated DIN-Rail Energy Meter with Infrared Communication
DEM4K00A is a 3P DIN-rail, CT-operated three-phase energy meter rated at 5(6) A with Class C accuracy. It supports infrared (IR) communication 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
3P4W / 3P3W CT Connection
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 Comprehensive Measurement
Class C Active Energy Accuracy
Class C active-energy measurement in accordance with IEC 62053-21 and EN 50470-3.
Infrared (IR) Communication
Infrared communication supports local meter reading and parameter configuration without an RS485 interface.
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 CT-operated metering.
Applications
Applications and Selection Guidance
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Explore ApplicationTechnical Specifications
Technical Specifications
| Voltage connection | CT / PT |
| Rated voltage | 3 × 230/400 V; 3 × 400 V |
| Frequency | 50/60 Hz |
| Current connection | CT (external current transformer) |
| Rated current | 0.05–5(6) A |
| Start current | 5 mA |
| CT ratio | Up to 1000:1 |
| PT ratio | Up to 1000:1 |
| Power consumption | < 2 W / < 10 VA |
| Pulse constant | 10000 imp/kWh |
| Active energy accuracy | Class C (IEC 62053-21) |
| Communication interface | Infrared (IR) |
| Communication type | Unidirectional |
| LCD display | 6+2 (7+1), auto decimal point shift, blue backlight; 2 buttons for paging and setting |
| Metering function | Measures active/reactive energy, active/reactive power, voltage, current, frequency, power factor, demand and apparent power |
| Metering mode | 1. Total = Forward; 2. Total = Reverse; 3. Total = Forward + Reverse (default); 4. Total = Forward − Reverse |
| Tariff function | Not supported on this model |
| CT/PT ratio | CT ratio 1–1000:1; PT ratio 1–1000:1; configurable via RS485/IR and buttons |
| LED indicator | Impulse indication |
| Operating temperature | −40°C to +70°C |
| Average humidity | ≤75% (non-condensing) |
| Maximum humidity | ≤95% |
| Altitude | ≤2000 m |
| IP rating | IP51 indoor |
| Protection class | Class II |
| UC class | UC1 |
| Wiring configuration | Three-phase four-wire (3P4W) and three-phase three-wire (3P3W) |
| Applicable standards | IEC 62053-21:2020 / EN 50470-3:2022 / EN IEC 62052-11:2021/A11:2022 / IEC 62052-31:2024 |
Structure & Dimensions
DEM4K00A Dimensions & Wiring
Dimensions
Wiring
FAQ
Product FAQ
What is DEM4K00A?
DEM4K00A is a 3P DIN-rail, CT-operated three-phase energy meter rated at 5(6) A with Class C accuracy. It supports infrared (IR) communication 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 pulse output does it provide?
SO pulse output at 10000 imp/kWh with 80 ms pulse width.
What communication interface does DEM4K00A use?
Infrared (IR) communication for meter reading.
Does DEM4K00A support tariff functions?
No. DEM4K00A has no internal battery, RTC or tariff functions. For a model with RTC-based 4-tariff metering, see DEM4K10A.
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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