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Features & functions of Siemens Reyrolle 7SR1003 Overcurrent Numerical Relay

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Siemens Reyrolle 7sr1003 relay: The Siemens 7sr1003 relay is a numerical overcurrent insurance hand-off planned as a minimal expense answer for conveyance and modern applications. The Siemens 7sr1003 numerical relay is created utilizing the most recent age of equipment innovation and is accessible in numerous variations relying upon the power supply, Binary information/twofold result design, and information correspondence office. Housed in a 4U high, size 4 non-draw-out case, and these transfers give assurance, checking, instrumentation, and metering with coordinated information and result rationale, information logging, and issue reports. Correspondence admittance to the transfer usefulness is through a front USB port for neighborhood PC association or back electrical Siemens numerical relay (discretionary) port for the distant association.


  • It has a Universal power supply appropriate for both AC and DC.

  • 1A and 5A CT are selectable at the site. Essential correspondence conventions like MODBUS RTU and IEC 103 are accessible and they are likewise sited selectable. The transfer is furnished with an adequate number of DI/DO for example up to 6 DI and 6 DO.

  • 7SR1003 relay is intended for current-based security and 7SR1004 is accessible with extra voltage contributions to deal with voltage-based assurances. 7SR1005 is intended for engine security applications.


Features Of siemens reyrolle 7sr1003 overcurrent numerical relay :-


  • Argus Non-directional overcurrent relay

  • Size 4 molded casing,

  • 4 CT, 10 LEDs, 6 binary inputs/ 6 binary outputs

  • Measuring input: 1/5A, 50/60 Hz

  • Auxiliary voltage: 60 to 240 V AC/DC,

  • Binary input trash. 44 V AC/DC


Functions Of siemens reyrolle 7sr1003 overcurrent numerical relay :-

 

  • Broken Conductor, Load Unbalance

  • Negative Phase Sequence Overcurrent

  • Instantaneous Overcurrent Protection

  • Instantaneous Earth Fault

  • Time-Delayed Overcurrent Protection

  • Circuit Breaker Fail

  • Time-Delayed Sensitive Earth Fault Protection


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