• Measurement of true RMS current value MiCOM P211 is designed to protect motors against: • Overload protection to operate according to inverse time characteristics • overloads • underloads • short-circuits • supply unbalance • loss of phase • excessive temperature inside the. • Measurement of true RMS current value MiCOM P211 is designed to protect motors against: • Overload protection to operate according to inverse time characteristics • overloads • underloads • short-circuits • supply unbalance • loss of phase • excessive temperature inside the. The MiCOM P211 relay is designed for motor supervision, protection and control applications. Designed to offer a wide range of functions related to motor protection, supervision and control, the MiCOM P211's flexibility makes it appropriate for use in medium or low-voltage applications. Appropriate. MiCOM P211 Motor Protection Relay P211/EN M/A31 Software version 7C Technical Manual Technical Manual P211/EN M/A31 MiCOM P211 Page 1/60 CONTENTS 1. STANDARD SAFETY STATEMENTS AND EXTERNAL LABEL INFORMATION FOR SCHNEIDER ELECTRIC EQUIPMENT 5 1. Thanks to the many technical features and cost efi cient design, P211 can be used both in medium voltage and in low voltage. MiCOM P211 Three-phase LV Motor Protection Relay MiCOM P211 Three-phase LV Motor Protection Relay MiCOM P211 Three-phase LV motor protection relay Introduction Benefits Electric motors in drive systems are subject to various disturbances and faults, caused by abnormal electrical, mechanical or.