The Victron Quattro is the larger inverters in the Victron range. It has 2 x AC inputs for typical connection for grid and generator further on it has same features as the Multiplus.
 
Model: VIC-QUATTRO-48-15000-200-100-100
Charge current house battery: 200A
Operating Voltage: 48V
Auxiliary output: 50A
Rating: 12,000 W
Power Factor: 1
AC inputs: 2
Weight: 94 kg
 
Quattro has 2 AC outputs, which one is for backup (critical loads) and second AC output is for Non-essential loads
Can be used in three phase solutions (6 x sets) @ 180KVA
Parallel up to 6 inverters