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Blauberg Box 60x35 4E max

Supply and exhaust ventilation systems installed in various premises.
Maximum air flow up to 4500 m³/h.
EAN codeEAN4058448086861
  • Description
  • Characteristics
  • Downloads
  • Designation key
  • Dimensions
  • Additional characteristics
  • Accessories

Supply and exhaust ventilation systems installed in various premises. Compatible with 400x200 up to 1000x500 mm rectangular air ducts.


Two- or four-pole asynchronous motor with external rotor and centrifugal impeller with backward curved blades. Single-phase (E) or three-phase (D) motor modifications. Equipped with ball bearings for longer service life. Dynamically balanced impeller. Overheating protection by built-in thermal switches with automatic restart or with leaded outside terminals for connection to external protecting controls. The thermal switch terminal leads are designed for connection to respective circuit of the contacter, overload relay or respective terminals of the autotransformer or thyristor speed controller.


Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).


Atmospheric resistant galvanized steel casing. The fan is rated for continuous operation. Fitted with standard 20 mm connecting flanges for connection to rectangular air ducts. Access cover on the casing for inspection and maintenance operations. The fan is equipped with a built-in terminal box with a leaded outside sealed electrical lead-in for connection to power mains.


The fan is designed for mounting inside rectangular air ducts and can be installed in any position. The fan flanges are connected to the air ducts through the bolts inserted into the flange holes. The fan is suitable for mounting into round duct at intake flange with a round reducer (available upon separate order). If vibration-absorbing flexible connectors are used to connect the fan to the air ducts provide their fixation to mounting structures with supports or brackets. While mounting provide enough space for accessing the cover for service operations.

Parameter Box 60x35 4E max
50 Hz
Box 60x35 4E max
60 Hz
Measurement unit
Voltage 220-240 220-240 V
Phase 1 1 ˜
Frequency 50 60 Hz
Power 447 679 W
Current 1.97 2.99 A
RPM 1380 1600 min-1
Maximum air flow 4070 4500 m³/h
Sound pressure level at 3 m 54 56 dBА
Motor IP rating IP44 IP44 -
Transported air temperature -30...+60 -30...+60 °С
Ingress protection rating IPX4 IPX4 -
Casing material galvanized steel galvanized steel -
Air duct for rectangular air ducts for rectangular air ducts -
Design centrifugal centrifugal -
Type Exhaust, Supply Exhaust, Supply -
Weight 30.0 30.0 kg
Mounting Inline Inline -
ErP 2018 2018 -
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
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Box (rectangular) - data sheet (pdf 1.3Mb)
Box - image (png 699.03Kb)
Box - user's manual (pdf 3.76Mb)
Designation key
Designation key
Series Flange size (width x height) [cm] Motor
Number of poles Phase
Box 40x20; 50x25; 50x30; 60x30; 60x35; 70x40; 80x50; 100x50 2; 4; 6 E: single-phase
D: three-phase

Model Overall dimensions [mm]
B B1 H H1 H2 L
Box 60x35 4E max 600 640 350 390 390 652
Additional characteristics
Additional characteristics
Sound power level, A-weighted Total Octave frequency bands [Hz] LpA 3 m LpA 1 m
63 125 250 500 1000 2000 4000 8000
LwA to inlet [dBA] 82 48 80 72 74 74 69 65 59 62 72
LwA to outlet [dBA] 88 53 84 78 81 81 74 68 62 67 77
LwA to environment [dBA] 74 53 71 67 66 64 61 57 47 54 64
Silencers Filter boxes Electric heaters Water heaters Air dampers Gravity dampers Flexible antivibration connectors Speed controllers