ABB 1SDA073725R1 Air Circuit Breaker Geared Motor Device

ABB 1SDA073725R1 Air Circuit Breaker Geared Motor Device

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In the case of discrete devices, the current through the device has a significant impact on the power-cycling test. Hence, an additional power-cycling diagram is provided as a function of nominal current, Inom. The nominal current is the amplitude value of the current through the device during the ton period in the power-cycling test. Furthermore, the nominal current corresponds to the chosen current by design for device characterization. It serves as a reference for specifying main electrical parameters in the data sheet such as VCEsat and safe operating area (SOA) for IGBT devices and RDS(on) for MOSFET devices. 

Very often, in the case of IGBT devices, the nominal current value is included in the name of the product and specified as the DC collector current parameter at TC = 100°C in data sheets as well.

ABB 1SDA073725R1 Technical drawing:

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