* BBA-100/3 is terminal type automatic transfer device. It‘s suitable for 3 phases 4 wires (or 1 phase 1wire) dual power grid with AC 50/60Hz, rated voltage 400V/230V and rated current up to 250A. When one power goes wrong it will automatic connect one or several load circuits from one power to the other power automatically, to ensure normal power supply of load circuits.
* The automatic transfer switch conforms to IEC60947-6-1 and GB/T14048.11. Normal conditions for operation and installation:
* Environmental Temperature Condition:-5-+40°C
* Installation site is not more than 2000 meters above sea level;
* PollutionLevel: Grade 3;
* Installation category: III ;
* Vertical installation or horizontal installation.
