Hệ thống tự động hóa trạm biến áp

  • Vietnam
  • 12 month

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Electrical  
Connection type HV3/HV4/LV4
Measurementvoltage range 57.7 V to 240 V (L-N), 100 V to 415 V (L-L) ±30%
Measurement current range 1-10 A (configurable)
Frequency 50/60 Hz ±5%
Accuracy Class 0.2S and class 0.5S
Maximum overload Voltage 1.5 times of nominalvoltage continuously
2 times of nominalvoltage for 0.5 second
Maximum overload current 1.5 times of Imax continuously
10 times Imax for 1 second
20 times Imax for 0.5 second
Burden with auxiliary / Self (VT) powered Current circuit: < 0.1 VA/phase @ 1A, < 0.5 VA/phase @ 5A
Voltage circuit in case of Aux power: < 0.1 VA/phase
Voltage circuit in case of internal / self power: < 6 VA/phase
Compliance  
Standards IEC 62052-11, IEC 62053-22, IEC 62053-23, IEC 62053-24, IEC 62056-52, IEC 61010-1, IEC 61010-2-030, CE, MID (EN 50470-1, EN 50470-3)
Environmental  
Ingress protection IP54
Operating temperature -10 °C to + 60 °C
Limit range of operation -25 °C to + 70 °C
Storage temperature -40 °C to + 80 °C
Temperature coefficient <0.3%/10C for class 0.5
Temperature coefficient <0.1%/10C for class 0.2
Mechanical  
Dimension 300mm x 200 mm x100 mm (H xWx D)
Weight 2 kg (+/- 200 gm)