NVSAIR | Ventilation For Life

OBR 200 – Single Inlet Forward Curved Radial Fan

The fan housing is made of electrostatic powder-coated cold-rolled steel sheet. Single-inlet radial fan with forward-curved blades; the impeller is made of corrosion-resistant, high-quality galvanised steel with an aerodynamic design for uniform airflow. As the motor is outside the airflow, higher air transfer is achieved. Thanks to its dense blade structure and efficient asynchronous motor, it produces high airflow and pressure for its size, runs quietly and requires little maintenance. The OBR 200M-2K* model has a cast aluminium impeller with widely spaced backward-curved blades.

Applications: Used for ventilation of greenhouses, factories, warehouses, paint shops, shopping centres and workshops; also preferred by machine manufacturers for plastics and packaging machinery. Its compact size is an advantage where space is limited.

Speed control: Speed can be adjusted with a linear voltage regulator on single-phase models and a frequency inverter on three-phase models (optional).

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Description

Technical Specifications

HOUSING ELECTROSTATIC POWDER-COATED COLD-ROLLED STEEL SHEET
IMPELLER GALVANISED STEEL, FORWARD CURVED
INLET TYPE SINGLE INLET
MOTOR ASYNCHRONOUS, OUTSIDE THE AIRFLOW
MOTOR PROTECTION CLASS IP 44
MOTOR INSULATION CLASS CLASS B

Technical Data

MODEL VOLTAGE
(V)
FREQUENCY
(Hz)
POWER
(W)
CURRENT
(A)
CAPACITOR
(µF)
SPEED
(rpm)
AIRFLOW
(m³/h)
SOUND LEVEL
(dB(A))
OBR 200M-2K 230 50 450 2 8 2,770 1,800 55
OBR 200M-4K 230 50 190 1.1 8 1,450 850 50
OBR 200M-2K* 230 50 260 1.5 8 2,900 1,700 55
OBR 200T-2K 380 50 140 0.7 – 2,950 1,800 60
OBR 200T-4K 380 50 190 0.9 – 1,465 850 55

* Model with backward curved blades. Sound pressure level measured at 3 m. M: single-phase, T: three-phase; 2K: 2-pole, 4K: 4-pole motor.

Technical Drawings and Curves

OBR 200
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