The meter is designed to measure three phase four wire AC active energy like residential , utility and industrial application. It is a long life meter with the advantage of high stability , high over load capability , low power loss and small volume .
Prouducts character
1.Max 100A DC.
2. Standard 2-modulus width,TH35-7.5 type rail installation
3.Touch key design improves the operation of the keys and reduces the key failure rate.
4.Multi-function parameter measurement for voltage, current, active power, reactive power, apparent power, power factor, and phase angle
5.Provide total harmonic content analysis data of voltage and current
6.Support two-way energy metering, providing monthly electricity consumption statistics for the last 12 months, and daily electricity consumption statistics for the last 31days
7.Support dual timing of meter start up running time and load running time
8.Support access of two rate switching signals and realize power metering of two rates
9.Support 1 passive pulse output, 1 RS485 communication, Baud rate up to 38400bps, support Modbus RTU, DL/T645-2007 protocol
Technicial parameters
Model | DAC4300/DAC4301/DAC4302/DAC4300CT/DAC4301CT/DAC4302CT | |
Electrical Characteristics | Rate voltage (Un) | 3*110/190V or 230/400V AC |
Operational voltage | L-N: 85 to 275V AC; L-L: 85 to 480V AC | |
Overload capacity of voltage | 2*Un for 1 second | |
Rate current(Ib) | 5A | |
Maximum current(Imax) | 100A | |
Operational current | 0.1%Ib to Imax | |
Overload capacity of current | 30*Imax for 0.01 second | |
Operational frequency range | 45 - 65Hz | |
Power consumption | <2W/10VA | |
Pulse constant | 400 imp/kWh | |
Display | LCD with backlight | |
Maximum reading of energy | 9999999.9 kWh/kVarh | |
Measure type | Three phase four wire, Three phase three wire,Single phsae two wire | |
Measurement accuracy | Voltage, Current | ±0.5% |
Active power | ±1.0% or 0.5% | |
Reactive power | ±2.0% | |
Apparent power | ±1.0% | |
Active energy | ±1.0% or 0.5% | |
Reactive energy | ±2.0% | |
Power factor | ±1.0% | |
Frequency | ±0.2% | |
Environmental Characteristics | Operating Temperature | -25 to +55ºC |
Storage Temperature | -40 to +80ºC | |
Humidity | < 90%, non-condensing | |
Pollution Degree | 2 | |
Altitude | Up to 2000m | |
Vibration | 10 Hz to 150Hz, IEC 60068-2-6 | |
IP Degree of Protection | Designed to IP51 front display, IP30 meter body | |
Electromagnetic Characteristics | Electrostatic Discharge | ±8kV(contact discharge),±15kV(air discharge); Level 4, according IEC 61000-4-2 |
Immunity to Radiated Fields | 10V/m,80 - 2000MHz; Level 3, according IEC 61000-4-3 | |
Immunity to Electrical Fast Transients | ±4kV; Level 4, according IEC 61000-4-4 | |
Immunity to Surges | ±4kV; Level 4, according IEC 61000-4-5 | |
Immunity to Conducted Disturbances | 10V,0.15 - 80MHz; Level 3, according IEC 61000-4-6 | |
Immunity to Magnetic Fields | IEC 61000-4-8 | |
Immunity to Voltage Dips | IEC 61000-4-11 | |
Radiated Emissions | Class B, according EN55011 | |
Conducted Emissions | Class B, according EN55011 | |
Harmonics Emissions | IEC 61000-3-2 | |
Safety | Overvoltage Category | CAT III, according IEC 61010-1 |
Measurement Category | CAT III, according IEC 61010-1 | |
Insulation | AC Voltage Test: 4kV for 1 minute | |
Impulse Voltage Test: 6kV - 1.2/50µS waveform | ||
Protective Class | II, according IEC61010-1 | |
Communications | Interfaces standard and protocols | 2-wire RS485, Modbus RTU Optional: Mbus |
Buad rate | 1200 to 38400 bps, default is 9600 bps | |
Parity bit | None, Even, Odd, default is None | |
Stop bit | 1 or 2, default is 1 | |
Response time | <100ms | |
Transmission mode | half-duplex | |
Transmission distance | Up to 1000m | |
Max. Bus loading | 64 pcs | |
Pulse output | Interface type | Open collector optocoupler |
Pulse constant | Per pulse equal 0.001/0.01/0.1/1 kWh/kvarh (Configurable) | |
Pulse width | 60/100/200 milliseconds (Configurable), default is 100milliseconds | |
Pulse output type | Import/export/total active energy, Import/export/total reactive energy (Configurable) | |
Class | Class A, according IEC 62053-31 | |
Input voltage | 5 to 27 VDC |