Table of Contents

Siemens / “Reyrolle 7SR45 Argus” Non-directional overcurrent protection _ Technical data & highlights _ SR7101

Table of Contents

Overview

The numeric relay, “Reyrolle 7SR45 Argus” Non-directional overcurrent protection, provides both definite time and inverse time overcurrent and earth fault protection functions ensuring sensitivity with an operating setting range of 0.1 to 0.2 ⋅ I rated for phase overcurrent protection. The relay is CT powered with an option for connection to an external auxiliary supply to provide additional security and communications port for connecting to SCADA.

For more detailed information on “7SR45” relay, refer to Reyrolle devices documents.

To see other supported Reyrolle relays, click here.


Related Youtube Videos

Reyrolle 7SR45 Argus – Protection relay (Product Overview by Manufacturer)


7SR45 Functional Diagram

7SR45 Functional Diagram

Protection Functions


Instantaneous Overcurrent Protection (50)


Logic Diagram of the Instantaneous Overcurrent Protection (50)

Logic Diagram of the Instantaneous Overcurrent Protection (50)

Instantaneous Overcurrent Protection (50) Setting parameters

Instantaneous Overcurrent Protection (50) Setting parameters

Instantaneous Overcurrent Protection (50) Technical Data

Instantaneous Overcurrent Protection (50) Technical Data

Time-Delayed Overcurrent Protection (51)


Logic Diagram of the Time-Delayed Overcurrent Protection (51)

Logic Diagram of the Time-Delayed Overcurrent Protection (51)

Time-Delayed Overcurrent Protection (51) Setting parameters

Time-Delayed Overcurrent Protection (51) Setting parameters

Time-Delayed Overcurrent Protection (51) Technical Data

Time-Delayed Overcurrent Protection (51) Technical Data

Instantaneous Derived Earth Fault Protection (50N)


Logic Diagram of the Instantaneous Derived Earth Fault Protection (50N)

Logic Diagram of the Instantaneous Derived Earth Fault Protection (50N)

Instantaneous Derived Earth Fault Protection (50N) Setting parameters

Instantaneous Derived Earth Fault Protection (50N) Setting parameters

Instantaneous Derived Earth Fault Protection (50N) Technical Data

Instantaneous Derived Earth Fault Protection (50N) Technical Data

Time-Delayed Derived Earth Fault Protection (51N)


Logic Diagram of Time-Delayed Derived Earth Fault Protection (51N)

Logic Diagram of Time-Delayed Derived Earth Fault Protection (51N)

Time-Delayed Derived Earth Fault Protection (51N) Setting parameters

Time-Delayed Derived Earth Fault Protection (51N) Setting parameters

Time-Delayed Derived Earth Fault Protection (51N) Technical Data

Time-Delayed Derived Earth Fault Protection (51N) Technical Data

Instantaneous Measured Earth Fault Protection (50G)


Logic Diagram of the Instantaneous Measured Earth Fault Protection (50G)

Logic Diagram of the Instantaneous Measured Earth Fault Protection (50G)

Instantaneous Measured Earth Fault Protection (50G) Setting parameters

Instantaneous Measured Earth Fault Protection (50G) Setting parameters

Instantaneous Measured Earth Fault Protection (50G) Technical Data

Instantaneous Measured Earth Fault Protection (50G) Technical Data

Time-Delayed Measured Earth Fault Protection (51G)


Logic Diagram of Time-Delayed Measured E/F Protection (51G)

Logic Diagram of Time-Delayed Measured E/F Protection (51G)

Time-Delayed Measured E/F Protection (51G) Setting parameters

Time-Delayed Measured E/F Protection (51G) Setting parameters

Time-Delayed Measured E/F Protection (51G) Technical Data

Time-Delayed Measured E/F Protection (51G) Technical Data

Switch onto Fault Protection (50LC/SOTF)


Logic Diagram of Switch onto Fault Protection (50LC/SOTF)

Logic Diagram of Switch onto Fault Protection (50LC/SOTF)

Switch onto Fault Protection (50LC/SOTF) Setting parameters

Switch onto Fault Protection (50LC/SOTF) Setting parameters

Switch onto Fault Protection (50LC/SOTF) Technical Data

Switch onto Fault Protection (50LC/SOTF) Technical Data

Operating Time for Switch onto Fault with Binary Outputs

Operating Time for Switch onto Fault with Binary Outputs

Operating Time for Switch onto Fault with Pulse Output

Operating Time for Switch onto Fault with Pulse Output

Thermal Overload Protection (49)


Logic Diagram of the Thermal Overload Protection (49)

Logic Diagram of the Thermal Overload Protection (49)

Thermal Overload Protection (49) Setting parameters

Thermal Overload Protection (49) Setting parameters

Thermal Overload Protection (49) Technical Data

Thermal Overload Protection (49) Technical Data

Thermal Overload Protection Heating and Cooling Characteristic

Thermal Overload Protection Heating and Cooling Characteristic

Thermal Overload Protection Behavior in Case of Power Supply Failure (Aux/CT Power)

Thermal Overload Protection Behavior in Case of Power Supply Failure (Aux/CT Power)

2nd Harmonic Block/Inrush Restraint (81HBL2)


Logic Diagram of the 2nd Harmonic Block/Inrush Restraint (81HBL2)

Logic Diagram of the 2nd Harmonic Block/Inrush Restraint (81HBL2)

2nd Harmonic Block/Inrush Restraint (81HBL2) Setting parameters

2nd Harmonic Block/Inrush Restraint (81HBL2) Setting parameters

2nd Harmonic Block/Inrush Restraint (81HBL2) Technical Data

2nd Harmonic Block/Inrush Restraint (81HBL2) Technical Data

Pickup and Trip Status during Inrush

Pickup and Trip Status during Inrush

General Features


Overcurrent Functions(50/50N/50G , 51/51N/51G) Characteristic curves


Instantaneous Overcurrent (51/51G/51N)

Instantaneous Overcurrent (51/51G/51N)

Time-Delayed Overcurrent (51/51G/51N)

Time-Delayed Overcurrent  (51/51G/51N)
Time-Delayed Overcurrent  (51/51G/51N)
Time-Delayed Overcurrent  (51/51G/51N)
Time-Delayed Overcurrent  (51/51G/51N)

Binary Inputs/Outputs


Binary Inputs Logic & Configuration

Binary Inputs Logic & Configuration

Binary Outputs Logic

Binary Outputs Logic

General Device Data


General Device Data

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