MP-303 PV Load Selector

  • PV cells and modules up to 300W
  • Optional MPPT tracker
  • 6 input channels
  • Switching capacity 300V / 10A
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To test the long-term stability of PV modules, particularly with EKO's MP-160 outdoor based test system, the I-V characteristics of multiple PV cells and modules can be measured. The MP-160 in combination with the MP-303 Load Selector provides 6 channels to measure IV curves of PV modules which can be kept at MPPT conditions with an optional load. The optional load can be a passive load, electronic load or power optimizer which is connected to the inverter and grid. In total 8 units of the MP-303 can be connected to one MP-160.

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  Specifications MP-303
Measurement range Voltage 0.05 - 300 V
Measurement range Current 0.005 - 10 A
Measurement range Power 0 - 300 W
  Operating temperature range 0 - 40 °C
  Power supply 100 - 240 VAC, 30W
  Dimensions mm 370 (W) x 350 (D) x 133 (H)
Weight 12 kg
  Ingress protection IP -
Input channels # 6
Max. devices # 8

Applications and uses

Usually, the performance of a PV module is measured at the factory under the so-called Standard Test Conditions (STC), described in IEC 60904. This is a convenient test method that …

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