It is specially designed for  spring operation mechanism and circuit breaker;

 With wholly industrial design, it  can adapt to outside environment;

 Set functions of current  protection, reclosing, wireless remote control, local control, state information  acquisition and communication as one;

 IGBT controls output, it can  quickly cut fault power;

 Adopt LCD display and numeric  keys, more convenient for operation;

 Adopt fault wave-recorded,  convenient for fault analysis;

 Adopt aviation socket to connect  to circuit breaker, convenient for installation and  maintenance.

XB811 reclosing  controller can help circuit breakers to realize data acquisition and telemetry,  current protection, reclosing, faults recording, remote communication,  local/remote control operation, and switch state acquisition /output,  etc.

 Environment: Temperature:  －40℃～70℃;Relative humidity:  10%～100%;

 Rating data: Rated voltage:  220V/100V; Rated current: 1A, 5A; Frequency: 50Hz;

 Power consumption: In  non-communication, active power≤5W, apparent power≤10VA;

 Sampling  precision:DC sampling precision: grade 0.5;  Current and Voltage precision : grade  0.5;   Power precision: level  1;

 Electromagnetic Compatibility:  Fast transient disturbance test, high frequency disturbance test, surge test,  electrostatic discharge immunity test,and radiation electromagnetic interference  test to the device all can meet the requirement of DL/T721-2000 Distribution  Automation System Terminal Unit;

 Insulation test: Insulation test  accord with the demand of GB/T14598.3-93 6.0;

 Impulse voltage test accord with  the demand of GB/T14598.3-93 8.0

  Three-phase  voltage,three-phase current, P,Q,S,CosΦ;

  Zero-sequence voltage,  zero-sequence current;

  Frequency;

  Voltage harmonic, current  harmonic;

  10-line telesignalisation  acquisition;

  Switch position signal(closed  position, open position);

  Energy stored signal;  

  Operating button state (closing,  opening );

  Remote signal input (closing,  opening );

  Support circuit breaker to switch  through operation panel;

  Support circuit breaker to switch  through hand-held wireless remote controller;

  Support circuit breaker to switch  through wireless terminal PDA;

  Support remote master station to  realize circuit breaker's switching.

  4-line relay empty note  output;

  Output current switch  state(closing/opening posing), alarm state and battery activation  control.

  Quick break, flash quick-break, three-phase  overcurrent protection;

  Inverse current-limiting  protection;

  Zero-note current protection and small current  grounding protection.

   0～3 times automatically  reclose;

   Accelerate after  reclosing.

  Power-on closing;  

  Non-voltage  opening;

  Instant pressure blocking  

 Bilateral pressure losee  opening;

 Bilateral pressure  blocking;

 Instant pressure blocking  

  Data recording, searching and  setting through local LCD displays;

  Support searching data and  setting parameter and constant value through short-range wireless communication PDA;  

  Support searching data and  setting parameter and constant value through debugging local interface  RS232.

  Can save curve  data;

  Can store voltage, current,  power, and so on;

  Record and store SOE(Sequence Of  Event);

  Save control and operating  events;

  Fault records and  storage;

 Support historical data added  uploading.

   Display current waveform in real  time.

   Can record and search current  waveform of pre- and post-fault.

  Have function of power-down  protection: it can normally work more than 8 hours after loss of  electric;

  Movement more than 10 times after  loss of voltage;

  Support manual and remote battery  activation operation.

  Support different communication  modes, such as optic-fiber ethernet, GPRS/CDMA, medium voltage arrier,  etc.

  Support DL/T634.5101-2002,  DL/T634.5104-2002 and many other communication protocols.