Nicotra | GebhardtDirect driven centrifugal fans

RDP

RDP is a high performance, double width double inlet (DWDI) centrifugal fan with direct drive.

315 – 500Sizes
2 kWMax. motor power
230V – 50/60 HzPower source
Manual
Overview

About RDP

Its aluminium impeller is mounted directly on a brushless, permanent magnet DC external rotor motor, so there are no transmission losses. The driver is mounted directly on the scroll for a plug and play solution that needs no further configuration, and the fan is maintenance free.

Technical data

Specifications

Sizes
315 – 500
Max. motor power
2 kW
Power source
230V – 50/60 Hz
Scroll
Lap-jointed scroll made of galvanized steel (EN 10142), assembled through a standing seam. V-shaped cut-off at fan discharge.
Impeller
Centrifugal impeller with 11 backward inclined blades welded made of aluminium
Motor
brushless, permanent magnets, DC- external rotor motor, no transmission losses
Balancing
dynamically balanced according to DIN ISO 21940-11
Driver
High efficient 2 kW single-phase driver sensor-less algorithm with integrated active PFC and thermal derating protection
Speed control
Continuous speed variation control Drive System by signal 0 … 10 V or with Modbus RS485 compliant interface
Protection
IP 44
Air performance ratings
according to AMCA 210-07 (Fig. 12) and ISO 5801 (Fig. 69 c and par. 30.2 f)

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