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  • General Functionality
    A complete range of multifunction three-phase + ground relays with selectable and programmable time-current curves. All fitted with digital input/output for selectivity interlock. Versatile and suitable for any application in HV, MV, LV .... (details)

  • IEEE/ANSI Function Table
    Type of relay can be selected based on Protection Function ..... (details)

  • Products
    CURRENT RELAYS
     IM30-AB
     Three-Phase Overcurrent and Earth Fault Relay - Dual Setting
     50/51, 50N/51N, 51BF, 68

    - Three Phase-Fault levels
    - Three Earth-Fault levels
    - Selecteble double setting program
    - Time tagged event recording
    - User programmable output relay
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed

    		  
     Download Catalogue
     
     
     IM30-AP
     Three-Phase Overcurrent and Earth Fault Relay 
     50/51, 50N/51N, 51BF, 69
    - Two Phase-Fault levels
    - Two Earth-Fault levels
    - Selecteble double setting program
    - User programmable output relay
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed
    		  Download Catalogue
     
     IM30-BY
     Three-Phase Three Elements Overcurrent and
     Negative Sequence Relay - Dual Setting
     46, 50/51, 51BF, 68
    - Three independent phase element
    - Three Phase-Fault levels
    - Two Negative Sequence level
    - Selecteble double setting program
    - Time tagged event recording
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed
    		 Download Catalogue
     
     IM30-C
     Capacitor Overload, Earth Fault and Unbalance Protection
     37, 46N, 50/51, 50N/51N, 51B
    - Two Overload levels
    - Two Unbalance levels
    - Two Earth-Fault levels
    - Dynamic Compensation of
      Capacitors Inherent unbalance
    - Time delayed capacitors reenergizatin
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed 
    		  Download Catalogue
     
     IM30-D
     Three-Phase Overcurrent + Directional Earth Fault
     50/51, 50N-51N, 51BF, 59Uo, 67N, 68, I2T
    - Three Phase-Fault leves
    - Three Directional or not Directional Earth Fault   levels with Zero Sequence voltage polarization
    - Zero Sequence Overvoltage level
    - Breaker interruption energy åI2t
    - Inrush current bias1
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed
    		  Download Catalogue
     
     IM30-DR
     Three-Phase Overcurrent with Directional
      Earth Fault+Autoreclosing
     46, 50/51, 50N/51N, 51BF, 67N, 68, 79
    - Two Phase-Fault levels
    - Two Earth-Fault levels
    - Zero Sequence Overvoltage level
    - One Negative Sequence current level
    - Four-Shot programmable Autoreclosing
    - Reclosure sequence coordination
    - Selectable sequence coordination
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - IRIG-B Time Syncronization
    - Modbus Communication Protocol
    - UL/CSA listed 
    		  Download Catalogue
     
     IM30-SA
     Three-Phase Overcurrent, Earth Fault and Sensitive Earth Fault
     46, 50/51, 50N/51N, 51BF, 64 S.E.F., 68
    - Two Fase-Fault levels
    - Two Earth-Fault levels
    - One Negative Sequence current levels
    - One Sensitive Earth Fault level
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed 
    		  Download Catalogue
     
     IM30-SR
     Three-Phase Overcurrent Sensitive Earth Fault and Autoreclosing
     50/51, 50N/51N, 51BF, 64S.E.F., 68, 79
    - Two Overload levels
    - Two Unbalance levels
    - Two Earth-Fault levels
    - Dynamic Compensation of Capacitors Inherent unbalance
    - Time delayed capacitors reenergizatin  
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Modbus Communication Protocol
    - UL/CSA listed 
    		  Download Catalogue
     
     DM33
     Three-Phase Directional & Non-Directional
     Overcurrent and Earth Fault
     27, 50/51, 50N/51N, 51BF, 59, 59Uo, 67, 67N, 68, I2t
    - Three Overcurrent levels
    - Three Earth-Fault levels
    - Zero Sequence Overvoltage level
    - Two over / under voltage level
    - Blocking Output and Blocking input
    - Breaker Failure protection
    - Breaker interruption energy åI2t
    - Time tagged multiple event recording
    - Modbus Communication Protocol
    - UL/CSA listed
    		  Download Catalogue
     
     
    AUTORECLOSING and SYNCHROCHECK RELAYS
     M-ARM513
     Multishot Programmable Single/Three Phase Autoreclose 79
    - Single and Three-Phase reclosure
    - Up to Four-shot programmable
    autoreclosing cycle
    - Self powered digital input
    - Modbus Communication Protocol
    - Event recording
    - Time tagging
    		  Download Catalogue
     
     SCM21
     Three Input Synchrocheck Relay 25, 27, 59, 81
    - Synchrocheck relay
    - Voltage, frequency and fase displacement check
    - Over / Under Voltage
    - Over / Under Frequency
    - Dead Line / Dead Bus programmable operation
    - C/B closing time control
    - Event Recording
    - Modbus Communication Protocol
    - UL/CSA listed     		 Download Catalogue
     
    Other type of relays at www.microelettrica.com

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SOME OF THE REFERENCES:

PT. PLN (Persero)
PT. Meta Epsi Engineering
PT. Areva T&D
PT. Aryasada Persada
PT. Siemens Indonesia
PT. Guna Era Manufaktura
PT. Unindo
PT. Schneider Indonesia
PT. Krakatau Steel

[ COMPLETE REFERENCES ]

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