Max. 155 m /h DC tangential fans 3 201...413 x 50 x 48 mm - Possible special versions: Housing: Aluminum (See chapter DC fans - specials) Housing side parts: Plastic - Speed signal Impeller: Aluminum - Moisture protection Direction of air flow: See photo Connection: via single wires AWG 24, TR 64 Highlights: Motor with ball bearing system Impeller retaining plate with sleeve bearing Weight: 235 / 290 / 380 / 415 g - - - Voltage range Sound pressure level Sound power level Sintec sleeve bearings Ball bearings Power consumption Temperature range VDC VDC db(A) Bel(A) / Watts C Hours QG 030-148/12 75 44 12 8...14 49 5.7 / 6.2 -20...+60 30 000 / 20 000 50 000 QG 030-198/12 100 59 12 8...14 51 5.8 / 8,0 -20...+60 30 000 / 20 000 50 000 QG 030-303/12 140 82 12 8...14 51 5.8 / 8.7 -20...+60 30 000 / 20 000 50 000 QG 030-353/12 155 91 12 8...14 51 5.9 / 9.6 -20...+60 30 000 / 20 000 50 000 QG 030-148/14 75 44 24 16...28 49 5.7 / 6.2 -20...+60 30 000 / 20 000 50 000 QG 030-198/14 100 59 24 16...28 51 5.8 / 8.0 -20...+60 30 000 / 20 000 50 000 QG 030-303/14 140 82 24 16...28 51 5.8 / 8.7 -20...+60 30 000 / 20 000 50 000 QG 030-353/14 155 91 24 16...28 51 5.9 / 9.6 -20...+60 30 000 / 20 000 50 000 Type Life expectancy L10IPC (40 C) see page 17 Nominal voltage cfm Nominal data Service life L10 (Tmax) ebm-papst standard Air flow m3/h Series QG 030 Service life L10 (40 C) ebm-papst standard Air flow - Hours Curve - Material: Subject to change The values for service life were recorded with the fan installed horizontally. L L1 Mass QG 030-148/ .. Type Dimension: 203.4 +1.5 148 235 g QG 030-198/ .. 260.4 +1.5 198 290 g QG 030-303/ .. 365.4 +1.5 303 380 g QG 030-353/ .. 415.4 +1.5 353 415 g Tangential fans are suitable only for operation with high air flow and low back-pressure. 2016-01 Air performance measured according to: ISO 5801. Installation category A, without contact protection. Noise: Total sound power level LWA ISO 103002 measured on a hemisphere with a radius of 2 m. Sound pressure level LpA measured at 1 m distance to fan axis. The values given are applicable only under the specified measuring conditions and may differ depending on the installation conditions. In the event of deviation from the standard configuration, the parameters must be checked after installation! For detailed information see http://www.ebmpapst.com/general conditions 138 Pocket for square nut M3 DIN 562, flat (6x) Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: ebm-papst: QG030-148/12 QG030-148/14 QG030-198/12 QG030-198/14 QG030-303/12 QG030-303/14 QG030-353/12 QG030-353/14 QG030-148/14R