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  • Main functions of the Schneider Sepam T40
    Oct 07, 2023
      Schneider Sepam T40  is a microcomputer protection device used for current and voltage protection in medium and low voltage distribution systems. Main functions Protection 1)phase protection and earth fault protection with adjustable reset time, with switching of the active group of settings and logic discrimination earth fault protection insensitive to transformer switching 2)RMS thermal overload protection that takes into account external operating temperature and ventilation operating rates 3)directional earth fault protection suitable for all isolated, compensated or impedant neutral systems b directional phase overcurrent protection with voltage memory 4) voltage and frequency protection functions (under/over, etc.). Communication Sepam can be connected to a supervision communication network (S-LAN) based on the following communication protocols: Modbus RTU, DNP3, IEC 60870-5-103, IEC 61850. All the data needed for centralized equipment management from a remote control and monitoring system are available via the communication port: 1) in read mode: all measurements, alarms, settings, etc. 2) in write mode: breaking device remote control orders, etc. Diagnosis 3 types of diagnosis data for improved operation: 1) network and machine diagnosis: tripping current, context of the last 5 trips, unbalance ratio, disturbance recording 2) switchgear diagnosis: cumulative breaking current, trip circuit supervision, operating time 3) diagnosis of the protection unit and additional modules: continuous self-testing, watchdog. Control and monitoring 1)circuit breaker program logic ready to use, requiring no auxiliary relays or additional wiring 2)adaptation of control functions by a logic equation editor 3)preprogrammed, customizable alarm messages on UMI.   Rockss Automation has a large inventory and provides you with integrated sales and maintenance services.  
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