MA Series Motor Protection Relay
NewElec's MA RELAY is aimed at satisfying all communication criteria relating to motor protection, particularly in the integrated process control market (control functions, motor protection, across multi-drop communications loops). It provides accurate, reliable protection including selectable communications protocols with emphasis on control.
Protection features: Overload; Locked rotor; Running stall - jam protection; Unbalance current and single phasing; Overvoltage/undervoltage and phase rotation; Earth leakage; Underload/undercurrent; Earth fault/short circuit trip transfer to MCCB; Breaker fail back tripping; Multiple protocol choices: Modbus, Canbus, Profibus DP or DeviceNet available.
Digital Inputs: Number: 5, field power supply rectified, create common potential for process signals; Field voltage: 24 volt ? 230 volt supply ac/dc 0,5 VA; Burden: 0,5 VA at 230 volt; Isolation: 3 kV to other circuits; Environmental: Insulation: IEC 60255-5/A between separate circuits; Impulse voltage: IEC 60255-5/D between separate circuits