IRAB-N/IRAT-N Series
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INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series Insulated rectangular self-cleaning duct fan. Very low profile design. Backward curved centrifugal impeller. Casing manufactured from heavy gauge galvanised sheet steel. 50mm thickness of M0 glass fibre internal acoustic insulation. External rotor motor, speed controllable, Class F insulation. External wiring terminal box. Safety thermal overload protection. Motors Outer rotor motors. Single-phase models 230V-50Hz, IP54 or IP44 depending on models, adjustable via voltage inverter. Three-phase models 230/400V-50Hz, IP54, Class F, controlable by frequency inverter. Additional information They can be installed in any position. Inspection door Inspection door that facilitates maintenance. Versatile design Can be installed in any position. Insulated in-line rectangular duct fans IRAB-N/IRAT-N Centrifugal backward curved impeller To prevent accumulation of dirtiness. Dynamically balanced.

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series TECHNICAL CHARACTERISTICS Before making any electrical connection ensure that the voltage and frequency of the mains electrical supply matches that of the fan data plate label. Maximum absorbed power (W) Maximum absorbed current (A) 230V Maximum absorbed power (W) Maximum absorbed current (A) Sound pressure level* (dB(A)) Sound pressure level* (dB(A)) Weight Speed (kg) controller** RMT * Average sound pressure level, measured at 1,5 m in free field. ** Speed regulator selection: see electric accessories section. Insulated in-line...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series PERFORMANCE CURVES – qv: Airflow in m3/h and m3/s. – psf: Static pressure in mmWG and Pa. – Dry air at 20ºC and 760 mmHg. – Performance data in accordance with ISO 5801 and AMCA 210-99 Standards – SFP: specific fan power in W/m3/h (blue curves). – P: Input power in W. Sound expectrum level in dB(A) Working point Inlet 1 Outlet Radiated Inlet 2 Outlet Radiated Inlet 3 Outlet Radiated Inlet 4 Outlet Radiated Inlet 5 Outlet Radiated Inlet 6 Outlet Radiated Inlet 7 Outlet Radiated Inlet 8 Outlet Radiated Inlet 9 Outlet Radiated Inlet...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series PERFORMANCE CURVES – qv: Airflow in m3/h and m3/s. – psf: Static pressure in mmWG and Pa. – Dry air at 20ºC and 760 mmHg. – Performance data in accordance with ISO 5801 and AMCA 210-99 Standards – SFP: specific fan power in W/m3/h (blue curves). – P: Input power in W. Sound expectrum level in dB(A) Working point Inlet 1 Outlet Radiated Inlet 2 Outlet Radiated Inlet 3 Outlet Radiated Inlet 4 Outlet Radiated Inlet 5 Outlet Radiated Inlet 6 Outlet Radiated Inlet 7 Outlet Radiated Inlet 8 Outlet Radiated Inlet 9 Outlet Radiated Inlet...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series PERFORMANCE CURVES – qv: Airflow in m3/h and m3/s. – psf: Static pressure in mmWG and Pa. – Dry air at 20ºC and 760 mmHg. – Performance data in accordance with ISO 5801 and AMCA 210-99 Standards – SFP: specific fan power in W/m3/h (blue curves). – P: Input power in W. Sound expectrum level in dB(A) Working point Inlet 1 Outlet Radiated Inlet 2 Outlet Radiated Inlet 3 Outlet Radiated Inlet 4 Outlet Radiated Inlet 5 Outlet Radiated Inlet 6 Outlet Radiated Inlet 7 Outlet Radiated Inlet 8 Outlet Radiated Inlet 9 Outlet Radiated...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series PERFORMANCE CURVES – qv: Airflow in m3/h and m3/s. – psf: Static pressure in mmWG and Pa. – Dry air at 20ºC and 760 mmHg. – Performance data in accordance with ISO 5801 and AMCA 210-99 Standards – SFP: specific fan power in W/m3/h (blue curves). – P: Input power in W. Sound expectrum level in dB(A) Working point Inlet 1 Outlet Radiated Inlet 2 Outlet Radiated Inlet 3 Outlet Radiated Inlet 4 Outlet Radiated Inlet 5 Outlet Radiated Inlet 6 Outlet Radiated Inlet 7 Outlet Radiated Inlet 8 Outlet Radiated Inlet 9 Outlet Radiated...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series PERFORMANCE CURVES – qv: Airflow in m3/h and m3/s. – psf: Static pressure in mmWG and Pa. – Dry air at 20ºC and 760 mmHg. – Performance data in accordance with ISO 5801 and AMCA 210-99 Standards – SFP: specific fan power in W/m3/h (blue curves). – P: Input power in W. Sound expectrum level in dB(A) Working point Inlet 1 Outlet Radiated Inlet 2 Outlet Radiated Inlet 3 Outlet Radiated Inlet 4 Outlet Radiated Inlet 5 Outlet Radiated Inlet 6 Outlet Radiated Inlet 7 Outlet Radiated Inlet 8 Outlet Radiated Inlet 9 Outlet Radiated...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series MOUNTING ACCESSORIES Model Antivibration mount Duct flange Flexible connector Sound attenuator Defense guard Electric heater Water coil IFL-F Filtering boxes without filter, to mount IFR-F filters. IFR-F Filters to install in filtering boxes IFL-F. IBR Rectangular duct flange. IAE Rectangular flexible connector. DEF Rectangular protection guard. ISA Anti-vibration mounting. (1 ISA = 4 supports) IFL G4 In-line duct bag filter. IJK Damper. Supplied with standard rectangular flanges. Manufactured from galvanised sheet steel. Fitted...

INSULATED IN-LINE RECTANGULAR DUCT FANS IRAB-N/IRAT-N Series ELECTRICAL ACCESSORIES RMB/RMT Fan speed controllers. VFKB IP65 Adjustable frequency drive for three phase motors. VFTM IP21 Adjustable frequency drive for three phase motors. Adjustable frequency drive Single-phase 1/230V/50-60Hz DPS 2-30 DPS 10-100 Differential pressure switches: - DPS 2-30: from 20Pa to 300Pa. - DPS 10-100: from 100Pa to 1000Pa. Electric heater controller. TTC-2000 TTC-2000 + TTS-1 TTC-40F + TTS-4 Three phase electric heater controller. The TTC-40F needs an external temperature sensor to control the heater...