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Smart Three Phase LCD Energy Meter
HYFW
  • Flexible Networking: RS485 /LoRa(433MHz)/GPRS communication mode.

  • Small Size and Easy Installation: standard 35mm DIN Rail

  • User-friendly and Easy-to-use Interfaces: shift between Chinese and English.

  • Advanced Flame-retardant Materials: in accordance with security standards.

  • Professional Energy Metering Chips from the ADI company. accuracy up to class 0.2

  • Adaptation in Harsh Environment: such as dusty, electromagnetic, low-temperature environment; strong surge withstand capability.

Description
FAQ

HEYUAN HYFW SMART THREE PHASE DIN RAIL RS485 ENERGY METER WITH 2DI 2DO

HYFW Three-phase Multi-functional Smart Power Meter is used for measuring, monitoring, and controlling the power distribution system. HYFW Three-phase Multi-functional Smart Power Meters have great extended functions, which connect measuring, analyzing, and controlling together, and make the work become easier. It is widely used in energy distribution sites, energy management systems and intelligent on-line monitoring systems of different industries.

Power Monitoring

Voltage, Current, Power, Frequency

Zero-secquence current/voltage

2 Dl 2 D0

Energy Metering Management

Active/reactive energy metering

Four-quadrant energy

multi-tarrif, demand

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Power Quality Analysis

Voltage/current unbalance

2-31st THD analysis, voltage deviation

Voltage qualification rate

Electrical Safety Monitoring

Over-voltage, Under-voltage

Over-current, Over-temperature
Phase loss

Specifications
Dimensions
Wring

Technical Parameters-HYFW

Accuracy Class

Voltage: 0.2; Current: 0.2; Frequency: 0.05 Hz; Power Factor: 0.5

Active Power: 0.5; Reactive Power: 0.5; Apparent Power: 0.5

Active Energy: 0.5S/1;  Reactive energy: 1

Input

Rated Value

Voltage: 100V/ 400V; Current: 20(100)mA

Overload

Voltage: Sustained Overload: 1.2   times the rated value
              Momentary Overload: 2   times the rated value
Current: Sustained Overload: 1.2 times the rated value
            Momentary Overload: 10   times the rated value

Frequency

50/60Hz

Functional Module

Pulse Output

1*energy pulse output; energy pulse constant:3600000imp/kwh(kvarh)

Interface

1* RS485 Modbus RTU Baud rate: 1200-9600bps

Relay

2*Relay DO(AC220/5A, DC30v/5A)

Power Supply

Working Range

AC: 85-265V; DC: 85-300V

Consumption

< 3W

Working Condition

Temperature

Operating: -20℃~+65℃; Storage: -40℃~+85℃

Humidity

Relative Humidity: 20%~ 90% (non-condensing)

Altitude

<4000m

Dimensions

117×58.5×87mm

Installation

Standard Din rail installation

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APPLICATIONS

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Q 1: What specifications should I consider when selecting compatible current transformers?

A:If there are 5A CTs on site, the recommended version is HYFW-5A;

For renovation projects, if there are 5A transformers on site but it is inconvenient to install meters due to power outage, the recommended version is HYFW-K1.25mA with 5A/1.25mA CTs, the CTs can be installed in the secondary side of the 5A CTs;

If there is no CTs on site and the current value is less than 100A , the recommended version is HYFW-1.25mA with 5A/1.25mA CTs(the measuring range is 0-100A)

If there is no CTs on site and the current value exceeds 100A , the recommended version is HYFW-100mA with 100mA CTs(we can supply the split core type CTs 100A~3000A)

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Q 2: Do you accept OEM with our logo printing and packaging?

A: Absolutely! For bulk orders,our team can assist you in incorporating your unique branding into the products.

Q 3: What is the shipping time for orders?

A:1-3 days for sample order, for bulk orders of 100 units or more, we can dispatch within 2 -3 weeks.

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