NVSAIR | Ventilation For Life

OBR 260 – 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.

Applications: Used for ventilation of greenhouses, factories, warehouses, paint shops, shopping centres and workshops; for plastics and packaging machinery, olive sorting machines and circulation of hot and dusty air. Also preferred by machine manufacturers.

Speed control: Speed can be adjusted with 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 55
MOTOR INSULATION CLASS CLASS F

Technical Data

MODEL VOLTAGE
(V)
FREQUENCY
(Hz)
POWER
(kW)
CURRENT
(A)
CAPACITOR
(µF)
SPEED
(rpm)
AIRFLOW
(m³/h)
SOUND LEVEL
(dB(A))
OBR 260M-2K 230 50 1.5 9.8 40 2,820 2,700 72
OBR 260M-4K 230 50 0.25 2.1 10 1,380 1,450 66
OBR 260T-2K 380 50 1.5 3.3 – 2,820 2,700 72
OBR 260T-4K 380 50 0.25 0.81 – 1,380 1,450 66

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 260
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