The protection functions are listed below:

• I2t overload protection (49/51)

• Locked rotor (49S/51)

• Ultimate trip current (51)

• Current unbalance (46)

• Instantaneous overcurrent (50)

• Ground fault protection (50G)

• Undervoltage (27)

• Overvoltage (59)

• Under power (32)

• Voltage unbalance (47)

• Power factor (55)

• RTD trip and alarm with URTD module (49/38)

• Underload trip (37)

• Starts per time (66)

• Jam or stall (51R)

• Auto or manual reset (86)

• Fail-safe or non-fail-safe trip modes

The metering functions are:

• Metering:

− Average current (I Ave)

− Amperes: magnitude and angle in primary values

− Amperes: positive, negative, and zero sequence

− Average voltage (V Ave)

− Voltage: magnitude and angle

− Voltage: positive, negative, and zero sequence

− Percent of full load

− Percent current unbalance

− Percent voltage unbalance

− Power, vars, and VA

− Power factor

− Frequency

− Energy metering with time and date stamps

• RTD temperatures:

− Individual winding

− Motor bearing

− Load

− Auxiliary temperatures

• Motor conditions:

− Percent of I2t thermal bucket

− Time before start

− Remaining starts allowed

− Oldest start time