EP series WPS150BS-AU 50 Hz @ 1500rpm,3-phase/5-wiring • 1x12V/120AH sealed for life maintenance free battery • Lockable battery isolator switch • • Powder coated canopy • • Oil pump on the engine ISO8528-5:2005 • Steel base frame with forkslots GB/T2820.5-2009 • Vibration isolators between the engine/alternator and base frame AS 3000-1997 • Dry type air filter AS 3010.