Siemens Reyrolle 5 7SR5710 Motor Protection Numerical Relay

The Siemens Reyrolle 5 7SR5710 is designed for standard medium-voltage induction motor protection. It belongs to the Reyrolle 7SR57 family and is suitable for protecting motors during starting and running conditions. The Siemens SIPROTEC 7SR5710 Motor Protection Relay is an advanced numerical relay designed to provide comprehensive protection, control, and monitoring for medium and large motors in industrial and utility applications. 

The device provides motor protection with integrated monitoring, control, and communication interfaces for substation and industrial applications.

Siemens Reyrolle 5 7SR5710 Inputs and Outputs

4 CT + 8 BI + 6 BO

Additional variants available:
4 CT + 13 BI + 8 BO

Communication

1 × USB (front), RS485 (rear), and 2 × RJ45 Ethernet ports

Housing

S6 enclosure

Product Functions 

• Measured value detection (standard): Yes
•  Logic editor: Yes
•  Fault recording (analog and digital): Yes
•  Monitoring: Yes

Protection Functions 

• Three-pole tripping: Yes
•  Undercurrent protection (ANSI 37): Yes
•  Thermal overload protection (ANSI 49): Yes
•  Circuit breaker failure protection (ANSI 50BF): Yes

Monitoring Functions

Measured values and fault recording are supported within the 7SR5710 Motor Protection Numerical Relay

Applications of Siemens Reyrolle 5 7SR5710 Relay

Protection of medium-voltage induction motors in industrial and utility applications

Benefits 

• Integrated monitoring and fault recording
•  Compact design (S6 enclosure)
•  Standard communication interfaces
•  Reliable motor protection for MV applications