PMAC801A motor protection controller

PMAC801A DIN Rail-mounted Motor Protection

PMAC801A intelligent motor protection controller is a high-performance motor protection device integrating motor measurement, protection, and control functions into one. It applies to the normal three-phase AC asynchronous motor with the rated voltage of AC380V or AC690V, and this product replaces the diverting device usually used by the motor control center (MCC), thus significantly simplifying the motor structure of the control circuit, improving the reliability and advancement of motor control and reducing overall application costs.

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Feature of PMAC801A

  • With the modular design, this product consists of main module, CT module and display module;
  • Over 21 protection functions can be provided;
  • The three-phase current, grounding/ leakage current, current imbalance rate,

three-phase line voltage, frequency, power factor, active power, Reactive power, active electrical degree and many other electrical parameters concerning to the motor circuits can be measured;

  • With built-in direct startup mode, bidirectional reversible startup mode, star/delta startup mode, autotransformer startup mode and many other startup modes, users could independently select corresponding settings based on the startup ways of the motor;
  • The controller body can provide 9-circuit switch inputs, for the inputting of such signals as start-stop signal, reset signal and contactor state;
  • By providing 5-circuit relay outputs, this product can satisfy many startup ways and protection actions, together with protection tripping (or alarm) signal outputs;
  • Provide 1-circuit 4-20mA analog output for DCS, with many parameters selectable;
  • Support one-circuit 4-20mA analog input, one-circuit 4-20mA analog output or one

 

thermal resistance input (refer to ordering information for specific model selection);

  • With 32 times of event logging, record device operation data and relevant information at the time of fault;
  • Maintenance and management are convenient and display module or communication software can be used to detect various parameters including electric parameters, motor’s operation states, fault information and stopping times;
  • The flexible restart function can realize various startup demands based on parameter settings in case of short-time power outage of the motor’s main
  • Its installation is convenient, with a standard 35mm guide rail, simple wiring and pluggable terminals;
  • The communication is redundant, with 2-circuit Modbus communication and supporting PROFIBUS communication protocol;
  • With a wide power supply design, AC or DC power supply is in common

 

Technical Parameters of PMAC801A

  • The rated voltage of the motor: AC 380V or 690V
  • The rated current of the motor: 0.5 – 820A
  • Controller power supply voltage: AC 85V-265V and DC 100V-300V is interchangeable.
  • Switch input: external AC220V, DC220V or internal DC24V
  • AC control relay: 250VAC/10A, 380VAC/5A, 110VDC/0.25A.
  • The signal relay: 250VAC/5A.

 

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