Reyrolle 7SR10 Siemens Earth Leakage Relay

The Reyrolle 7SR10 Siemens Earth Leakage Relay is a numerical overcurrent protection relay intended as a simple protection solution for distribution and industrial applications.

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Feature

  • Cold load pickup (51C)
  • Two settings groups
  • Password protection – 2 levels
  • User programmable logic
  • Self-monitoring
  • Circuit breaker trip and maintenance counter

Specifications

Product Family (Auxiliary powered) Non Directional, Overcurrent and Earth Fault Protection Relay
Case and LEDs Non Draw-out Polycarbonate case (Size4 standard, Non Draw-out design), 10 LEDs
Measuring Inputs (Current) 1 A/5 A, 50 Hz/60 Hz
Auxiliary Voltage 60 V – 240 V AC/DC
24 V – 60 V DC
Communication Default front communication port Back port: RS485 (optional –

IEC 60870-5-103 or Modbus RTU or

DNP 3.0)
Protection Functions 50, 50G/N, 51, 51G/N, 50BF, 50SEF,

51SEF, 49, 46BC, 46NPS
Supervision and con- trol functions 74 T/CCS, 86, 81HBL2 – (inrush

restraint), 51c, 81THD, 79 AR
Binary Input and Binary Output 3 BI or 6 BI

3 BO or 6 BO, (2 changeover con- tact)

Threshold voltage

–     88 VAC/DC or 44 V AC/DC available with 60 V – 240 V AC/DC power supply version

–     19 V DC with 24 V – 60 V DC

power supply version
Overvoltage Category III
Pollution Degree 2

 

 

 

 

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