Product Data Sheet 3312 NHH Product Data Sheet 3312 NHH The engineer's choice
Product Data Sheet 3312 NHH 3312 NHH INDEX 1 General ............................................................................................................................................................... 3 2 Mechanics .......................................................................................................................................................... 3 2.1 2.2 3 Operating Data ................................................................................................
Product Data Sheet 3312 NHH 1 General Fan type Rotating direction looking at rotor Airflow direction Bearing system Mounting position - shaft 2 Mechanics 2.1 General Fan Clockwise Air outlet over struts Ball bearing Any Width Height Depth Mass Housing material Impeller material Max. torque when mounted across both mounting flanges Screw size 2.
Product Data Sheet 3312 NHH 3 Operating Data 3.1 Electrical Operating Data Measurement conditions: ∆p = 0: I: Features Voltage range Nominal voltage Power consumption Normal air density = 1,2 kg/m3; Temperature 23°C +/ - 3°C; Motor axis horizontal; warm-up time before measuring 5 minutes (unless otherwise specified). In the intake and outlet area should not be any solid obstruction within 0,5 m. corresp. to free air flow (see chapter aerodynamics) corresp. to arithm.
Product Data Sheet 3312 NHH Block1: special locked rotor protection: 5 cycles t3 / t4 = 0,6 s / 1 s Block2: locked rotor protection t3 / t4 = 0,6 s / 10 s 02/01/2019 page 5 of 11
Product Data Sheet 3312 NHH 3.3 Aerodynamics Measurement conditions: Measured with a double chamber intake rig acc. to DIN EN ISO 5801. Normal air density = 1,2 kg/m3; Temperature 23°C +/ - 3°C; In the intake and outlet area should not be any solid obstruction within 0,5 m. Motor shaft horizontal. The information is only valid under the specified test conditions and may be changed by the installation conditions.
Product Data Sheet 3312 NHH 02/01/2019 page 7 of 11
Product Data Sheet 3312 NHH 3.4 Sound Data Measurement conditions: Sound pressure level: 1 meter distance between microphone and the air intake. Sound power level: Acc. to DIN 45635 part 38 (ISO 10302) Measured in a semianchoic chamber with a background noise level of Lp(A) < 5 dB(A) For further measurement conditions see chapter aerodynamics. a.) Operation condition: 3.
Product Data Sheet 3312 NHH Axes of vibration 3 severity level stationary use 1 storage / transportation Random vibration not in use IEC 60068-2-64 Frequency range / ASD GRMS Axes of vibration Test duration Random vibration 5 - 20 Hz : 1,0 m² / s³ 20 - 500 Hz : - 3 dB / Oct 0,91 G 3 3x5h storage / transportation Bump not in use IEC 60068-2-29 Shock spectrum Acceleration Duration Number of bumps (+X, -X, -Y, +Y, -Z, +Z) Total bumps Bump half sine 18 G 6 ms 100 in each direction 600 stationary use
Product Data Sheet 3312 NHH 5 Safety 5.1 Electrical Safety Dielectric strength DIN EN 60950 (VDE 0805) and DIN EN 60335 (VDE 0700) A.) Type test Measuring conditions: After 48h of storage at 95% R.H. and 25°C. No arcing or breakdown is allowed! All connections together to ground. B.) Routine test Measuring conditions: At indoor climate. No arcing or breakdown is allowed! All connections together to ground. Isolation resistance Measuring conditions: After 48h of storage at 95% R.H.
