Specifications, Operational specifications, Time overcurrent pickup selection range – Basler Electric BE1-51 User Manual
Page 55: Time overcurrent measuring accuracy, Time overcurrent dropout ratio, Instantaneous overcurrent pickup range, Instantaneous overcurrent measuring accuracy, Instantaneous overcurrent dropout ratio, Instantaneous response
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Specifications
BE1-51 Time Overcurrent Relays electrical and physical specifications are described below.
Operational Specifications
Time Overcurrent Pickup Selection Range
Continuously adjustable over the current sensing input ranges specified in the style chart.
Time Overcurrent Measuring Accuracy
±2% of pickup setting.
When the TAP CAL control is fully CW, the actual pickup will be within
±5% of the front panel TAP
selector setting.
Time Overcurrent Dropout Ratio
Better than 92% of pickup level.
Instantaneous Overcurrent Pickup Range
Continuously adjustable over the range of 1 to 40 times the time overcurrent pickup setting.
Instantaneous Overcurrent Measuring Accuracy
±2% of pickup setting.
Instantaneous Overcurrent Dropout Ratio
Better than 98% of pickup level.
Instantaneous Response
Figure 28 shows the typical response for the instantaneous pickup element.
Figure 28. Typical Instantaneous Response Time
BE1-51
Specifications