The Borri UPS STS300 250A is a centralised static transfer switch (STS) designed to provide an automatic transfer between dual three phase power sources to protect downstream critical loads. The dual power sources can be uninterruptible power supplies, mains power supplies or a combination of these. The STS has a graphical LCD display, mimic LED panel and keypad and operates up to 99% efficiency.
Features
Rugged design and high reliability
Short circuit transfer inhibit for robust load protection
High overload capability and high fault current management
Enhanced safety, redundant control logic, SCR fault detection and embedded backfeed protection
Minimum maintenance: full front accessibility to all components and high material build quality
Dual manual bypass for complete source independence during maintenance
Remote monitoring via dry contact relay card, RS232 and RS485 serial ports and MODBUS
Bottom and top cable entry for ease of installation
True oversized neutral (2x In), redundant cooling with monitored fans and redundant (3×3) internal power supply for system control board reliability
Options: customisation for harsh environments and specific applications
