Selection tool

Product overview

Suchen

Contact

InlineVent round duct fans

RRK 250

RRK 250

Centrifugal in-line fan, 1-ph. Casing made fromm impact resistant polymers

Ref.-No. 05978

Features

Centrifugal fan specially designed to be installed in-line in circular ducting. Casing made from impact resistant polymers with spigots which fit standard duct sizes. Highly efficient backward curved centrifugal impeller made from polymers. Dynamically balanced to class G 6.3 DIN and ISO 1940 T.1. Totally enclosed, single phase external rotor motor with thermal contacts wired in series with the windings, maintenance free, low-noise sealed for life ball bearings.

Technical Data

General Information
Ref.-No.:05978
Type:RRK 250
Flow rate free-blowing:910 m³/h
Speed control:ELECTRIC
RPM:2360 min-1
Number of poles:2
Voltage:230 V , 1 W , 50 ph
Rated current (FLC) uncontrolled:0.43 A
Nominal power:98 W
Max. air flow temperature (controlled):60 °C
Max. air flow temperature (uncontrolled):70 °C
IP protection category:44
Insulation class:B
Connect diameter:250
Weight:3.4 kg
Wiring diagram no.:508
Acoustic data
Case breakout 38 dB(A) in 1 m