Documents are only to be used and distributed completely and unchanged. It is strictly the users’ responsibility to check carefullythe validity of this document with respect to his product. Manual-no.: 999155 / 29/01/2009page 9 of 36Technical dataWe reserve the right for technical modifications without prior notice!Type ME 4 NT MZ 2 NT MZ 2S NT MZ 2D NTMaximum pumping speed 50/60 Hz(ISO 21360) m 3/h 4.0 / 4.4 2.2 / 2.4 2.0 / 2.3 2.3 / 2.5Ultimate vacuum (absolute) mbar 70 7 4Maximum permissible outlet pres-sure (absolute) bar 2 1.1Maximum pressure difference be-tween inlet and outlet bar 2 1.1Permissible ambient temperaturestorage / operation °C -10 to +60 / +10 to +40Permissible relative atmosphericmoisture during operation(no condensation)% 30 to 85Rated motor power W 180No-load speed 50/60 Hz min -1 1500 / 1800Maximum permissible range of sup-ply voltage ( ±10% )Attention: Observe specificationsof rating plate!Dual voltage motor100-115 V~ 50/60 Hz, 120V~ 60 Hz230 V~ 50/60 Hz100-115 V~ 50/60 Hz, 120 V 60 Hz /200-230 V~ 50/60 HzMaximum rated current at:100-115 V~ 50/60 Hz, 120 V~ 60 Hz200-230 V~ 50/60 Hz230 V~ 50/60 HzAAA3.41.81.8Device fuse slow blow fuse 6.3AMotor protection thermal cutout, manual resetDegree of protection IEC 529 IP 40Inlet hose nozzle DN 10 mm small flangeKF 16Outlet silencerDimensions L x W x H approx. mm 243 x 239 x 198 243 x 242x 198Weight approx. kg 11.0 11.4