User Manual

Rockwell Automation Publication 193-UM002I-EN-P - December 2011 229
Specifications Appendix A
Protection
Table 22: Protection
➊ E3 Plus Models EC2, EC3, and EC5
 Series C or Later
➌ E3 Plus Model EC5 Only
Trip Warning
Overload Yes Yes
Phase Loss Yes No
Ground Fault ➊ Yes Yes
Stall Yes No
Jam Yes Yes
Underload Yes Yes
Thermistor (PTC) ➊ Yes Yes
Current Imbalance Yes Yes
Communication Fault Yes Yes
Communication Idle Yes Yes
Remote Trip Yes No
Blocked Start/Start Inhibit  Yes No
Under Voltage L-L ➊ Yes Yes
Over Voltage L-L ➊ Yes Yes
Voltage Unbalance ➊ Yes Yes
Phase Rotation
➌ Yes Yes
Under Frequency ➌ Yes Yes
Over Frequency ➌ Yes Yes
Under Real Power (kW) ➌ Yes Yes
Over Real Power (kW) ➌ Yes Yes
Under Reactive Power Consumed (+kVAR) ➌ Yes Yes
Over Reactive Power Consumed (+kVAR) ➌ Yes Yes
Under Reactive Power Generated (-kVAR) ➌ Yes Yes
Over Reactive Power Generated (-kVAR)
➌ Yes Yes
Under Apparent Power (kVA)
➌ Yes Yes
Over Apparent Power (kVA)
➌ Yes Yes
Under Power Factor Lagging (-PF)
➌ Yes Yes
Over Power Factor Lagging (-PF)
➌ Yes Yes
Under Power Factor Leading (+PF)
➌ Yes Yes
Over Power Factor Leading (+PF)
➌ Yes Yes
Power Value Overflow (kW, kVAR or KVA)
➌ Yes Yes
Table 23: Overload Protection
Type of Relay Ambient Compensated Time-Delay
Phase Loss Sensitive
Nature of Relay Solid-State
FLA Setting See Chapter 5
Trip Rating 120% FLA
Trip Class 5…30
Reset Mode Automatic or Manual
Overload Reset Level 1…100% TCU