YFM2E-250 Series Intelligent Measuring Switch
This intelligent measuring switch has many iot sensing functions suchas HPLC communication, high-precision AC sampling, power supply relationship topologyidentification, metering box management, power theft warning, power outage event reportingline loss analysis and judgment, terminal temperature detection, automatic fault diagnosisetc. Multiple protection functions protect lines andpower equipment, and detection and monitoring at the load end can reduce grid operation andmaintenance costs and provide the necessary data for future energy efficient systems.
Specification Parameter
| Model number | YFM2E-250 |
| Number of poles | 3 |
| Connection mode | Three-phase four-wire |
| Rated operating voltage Ue(V) | AC 400V |
| Rated current In(A) | 125,160,200,250 |
| Rated insulation voltage Ui(V) | 800 |
| Rated impulse withstand voltage Uimp(kV) | 8 |
| Rated operating short-circuit breaking capacity lcs(kA) | L：25kA;M：36kA |
| Rated limit short-circuit breaking capacity Icu(kA) | L：36kA;M：50kA |
| Icw(kA) | 3kA/1s |
| Category of use | B |
| Mechanical life | 8000 |
| Electrical life | 5000 |
| Overall dimensions(mm)(L×W×H) | 180×107×100 |
| Mounting dimension | 141*35(4×φ4.5) |
Intelligent measurement switch connecting wire sectional area selection
| Rated current(A) | 125 | 160 | 200 | 250 | |
| Cable section(mm²) | 50 | 70 | 95 | 120 | |
Intelligent measuring switch(characteristic current)terminal and mounting screw tightening torque
Model number Thread diameter(mm) Torque(N ·m) YFM2E-250 Wiring screw M8 12 Mounting screw M4 4
Outline And Mounting Dimensions
