* True RMS measurements (256 samples/cycle)
* For single-phase, two-phase, three-phase system
* Measurements:VL-L, VL-N, I, In, Pf, Hz, W, ΣW, Va, ΣVa, Var, ΣVar, import Kwh,
export Kwh import Kvarh, export Kvarh, V-THD, I-THD,1-63th harmonic , system running hours,
% voltage unbalance, % current unbalance, % system load, total frequency
* 3 voltage and 3 current input (Calculate the neutral current)
* Maximum, minimum and demand for U, I, P, Q, S in hours, days
* Voltage Input: 0-690Vac, Current input: 1 or 5A CT selective
* % system load and system running hours
* 4 quadrants energy measurement support bi-directional power monitoring
includes measurement on regenerative loads
* 2 digital input (or 2 pulse output) and 2 relay output
* RS485 communication: Modbus RTU
* English, Chinese (traditional & simplied) or Other language
| Auxiliary Supply | |
| Operating voltage (Un) | 85···265 VAC 50/60Hz 10W / 100-285VDC/24-48VDC(depend on order) |
| Power consumption | 4VA max |
| Measurement input | |
| Voltage inputs for direct connection: | Phase-neutral(L-N): max 400V RMS CAT III |
| Input impedance(for direct voltage inputs): | >4MΩ |
| CT inputs: | max 5.5A RMS |
| CT inputs overload capacity: | max 10A |
| CT inputs Self-consumption : | < 0.2VA |
| Accuracy | |
| Three phase voltage: | ± 0.5% |
| Currents: | ± 0.5% |
| Powers: | ± 0.5% |
| Powers factor: | ± 0.5% |
| Frequency: | ± 0.02% |
| Harmonics: | ± 1% |
| Active energy: | Class 0.5S |
| Reactive energy: | Class 0.5S |
| Insulation | |
Insulation voltage | 3kV for 1 min., 50Hz |
| Display | |
Display type | 3.2inch 240x160 pix LCD |
| I/O | |
Digital inputs: | Active dry contact |
Digital outputs: | 2 Relay N/O 220VAC 5A |
Analog outputs: | 4-20mADC / max load 500Ω |
Pulse output: | 24-30VDC Max.50mA, Min. 50msec pulse width |
| Communication | |
RS-485 port: | 1 optoisolated, 4800-57600 |
Protocols: | Modbus RTU |
| Environmental conditions | |
Opterating temperature: | -10···+55°C |
Storage temperature: | -25···+75°C |
Relative humidity: | 95% max without condensing |
Altitude: | max 2000m AMSL |
Installation & use: | Internal |
| Mechanical characteristics | |
Mounting: | Panel mount 96x96mm(The panel cut-size 92*92mm) |
Size: | Front(WXH)96x96mm, Rear (HxD) 90x70mm |
Degree of protection: | IP40(optional IP54) on front, IP20 housing and terminals |
Weight: | 350g |
| Standard compliance | |
| reference standard: | IEC61010-1; IEC61557-1;IEC61557-12; IEC61326-1;IEC62053-21; IEC62053-22; IEC62053-31; IEC60068-2-1; IEC60068-2-30; IEC60364-5-52; IEC61000-3-2; IEC61000-3-3; IEC61000-4-2; IEC61000-4-3; IEC61000-4-4; IEC61000-4-5; IEC61000-4-6; IEC61000-4-8; IEC61000-4-11; IEC61000-4-30 |
