Duo 255, 3-phase motor, 3TF, 230/400 V, 50 Hz | 265/460 V, 60 Hz Order number: PK D48 602 Dual-stage, high-performance rotary vane pump with a pumping speed up to 300 m3/h 3-phase motor for mains voltage 230/400 V (±5 %) 50 Hz or 265/460 V (±5 %) 60 Hz With temperature sensor (3TF) for optimum motor protection Integrated gas ballast and HV safety valve For all low and medium vacuum applications Special feature: Various motor voltages for worldwide employment Other motor voltages available on request Request product Compare product Remember product