Specifications: 

1) Voltage, phase and wire: 400V / 230V, 3 phases and 4 wires
2) Rated speed / frequency: 1,500rpm/50Hz
3) Continuous output (kW/kVA): 23/30, 34/42, 37/46
4) Standby output (kW/kVA): 25/33, 37/46, 41/51
5) Rated power factor: 0.8 (lagging)
6) Rating definitions: operation at altitude less than 1000m, ambient temperature
less than 40°C)
7) Continuous power model: SWD with no suffix
8) These ratings are applicable for supplying continuous electrical power
(at variable load) in lieu of commercially purchased power
9) There is no limitation to the annual hours of operation and this model
can supply 10% overload power for 1 hour in 12 hours
10) Standby power model: SWD with suffix (S)
11) These ratings are applicable for supplying continuous electrical power
(at variable load) in the event of a utility power failure
12) No overload is permitted on these ratings
13) The alternator on this model is peak continuous rated (as defined in
ISO8528-3) at 27°C