Electronic Motor Protection MA Series Relays

Used as either a stand alone electronic motor protection relay or as part of an automated process communicating to a PLC, the MA motor control relay is equipped with 5 digital inputs accepting field supply voltages from 24 to 220V A.C. or D.C. and 4 potential free C/O contacts, 2 of which are programmable.

Thermal curves (Class 3 to 35), to IEC 60255-8, 3 x PTC 100 inputs, Earth Leakage, Earth Fault and Short Circuit protection, Load loss protection, Over and Under Voltage protection and Voltage Symmetry are all features available through the range 5 to 250A.

The integrated C.T. Block also includes the Earth Leakage Core Balance C.T. Indication LEDs address the needs of maintenance personnel involved in fault finding, while the free NewElec front-end software enables recording of the motor performance.

Why wait to automate?
Ideally suited for economically converting an old plant to an automated one at substantially reduced costs by using existing control voltages that are simply adapted for the MA Relay which then communicates to a PLC via Profibus DP, Modbus RTU and Canbus.