Siemens 7SJ6412-5EB92-1FD0/EE Protection Relay Unit

Feature & Principle

This numerical protection relay collects voltage and current signals, implements overcurrent, earth fault, overload and thermal protection functions. It supports communication for remote signal uploading and setting, trips the circuit breaker when faults occur to isolate faulty sections.

Specifications

Model: 7SJ6412-5EB92-1FD0/EE Brand: Siemens Series: SIPROTEC 4 7SJ64 Type: Feeder multifunction protection relay Auxiliary supply: DC/AC wide range Communication: IEC61850, Modbus, PROFIBUS optional Mounting: 1/2 19 inch panel mounting Protection: IP40 (front panel) Certification: CE, IEC

Components & Diagnostics

Main processor board, signal acquisition module, display panel, output relay contacts, communication interface. Common faults: signal sampling abnormal, communication interruption, relay contact burnout, power supply failure.

Product Brief

7SJ6412-5EB92-1FD0/EE protection relay, Siemens power grid protection spare widely used for substation feeder and motor circuit protection.