CE / CTCT 280-4 Centrifugal fan
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Advanced calculation

CE / CT Centrifugal Fans

Compact and powerful fan for your professional environment

  • High-Performance

  • Compact deisign

  • Simple installation in any position

  • Maintenance-free and reliable

CT 280-4 Centrifugal fan#93298
Frequency: 50 Hz

High performance

The CE/CT series of centrifugal fans are designed for indoor use with stable power performance for extract or supply air.

Compact design

The CE/CT fan has a compact form factor and can be installed in any required position. This supports various applications (commercial, industrial and residential).

Certifications

Ecodesign (ErP) compliant certification logo
Ecodesign (ErP) compliant

Compliant with today’s and tomorrow’s European Union rules and requirements for energy labelling and ecodesign for Energy-related Products (ErP).

Tech specs

Features

Construction

CE/CT fan casing made of galvanised sheet steel, corrosion class C3. Shape of the casing designed to obtain high efficiency.

CE fans are equipped with terminal box IP44 to simplify wiring process on site. CT fans are equipped with cable to connect to the external terminal box (separate accessory).

Impeller

Single inlet radial impellers with forward curved blades. Made of lightweight PP for sizes 125/160 and galvanised sheet steel for bigger sizes. All impellers dynamically balanced and paired with corresponding external rotor motors.

Motor

CE/CT fans are equipped with AC external rotor motor, insulation class B. All motors are supported by long-life ball bearings.

Motor protection

CE Fans have integrated thermal protection with manual (electrical) reset.

CT Fans have integrated thermal contact with external leads for connection to a motor protection device (separate accessory).

Control

All fans are controlled by 5-step or stepless speed regulator provided as accessory. Speed regulation can be combined with timer, thermostat, hygrostat, etc. by using wide range of electrical accessories.

Installation

Mounting of the CE/CT fans possible indoor in any mounting position.

CE models used standard inlet and outlet flanges to maximise adaptability with corresponding FK fast clamps.

Technical Data

Article name
CT 280-4 Centrifugal fan
Trade name
Systemair
Article number
#93298
400V 3~ 50Hz
Nominal data
Voltage (nominal)400V
Frequency50Hz
Phases3~
Input power1,708W
Input power kW1.708kW
Input current2.87A
Impeller speed1,175rpm
Air flowmax 1,101L/s
Temperature of transported airmax 54°C
Max temperature of transported air, when speed controlled54°C
Sound data
Sound pressure level at 3m (20m² Sabin)56dB(A)
Protection/Classification
Enclosure class, motorIP54
Insulation classF
Data according to ErP
ErP readyErP 2018
Dimensions and weights
Duct dimension; Circular, inlet315mm
Weight22.5kg
Others
Motor typeAC

Ecodesign

400V 3~ 50Hz
Product
Trade nameSystemair
Product nameCT 280-4 Centrifugal fan
Ecodesign
ErP compliance2018
Unit categoryNRVU
DriveExternal MSD or VSD
Unit typeUVU
Heat recovery typeNone
Temperature ratio (UVU)Not applicable
qv nom0.44m³/s
P nom0.519kW
Ps nom517Pa
Fan efficiency43.8%
External Leakage0.3%
Sound power (LWA)61dB(A)

Performance

Dimensions

CE / CT #93298, Dimensions
 A​ BCDEØFGHIJK
CT 225–4
369 445 180 211 147 234625 28025 198
CT 225–6
369 445 180 211 147 2344025 28025 198
CT 250–4
412 492 198 239 167 2618 26 31526 218
CT 280–4
517 547247 298 203 32658 26 35726 254
CT 315–4
517615247 298 203 32658 2640026 254

Documentation

Accessories

RTRDU 4 Speed contr. Systemair
#5946 · 5-step speedcontrol, 400V3~, 4A
RTRD 4 Speed cont. Systemair
#5942 · 4A 3~ 5 step
VKK-315 Back draft damper
#1628 · Louver shutter, PA, with steel box, for air handling units
CWK 315-3-2,5 Duct cooler,circ
#30025 · circular, d=315mm
FGR 315 Filter cassette
#1818 · SYSTEMAIR FGR Panel filter box 315 dia
VBR 40-20-2 Water heating batt
#5463 · Duct heater 400x200 mm, water, 2 rows
FFR 250 Filter cassette
#1776 · Filter cassette DN 250 mm, circular ducts
ISE 280/315 Flexible connect.
#5109 · for air handling units
LDR 40-20 Silencer
#5069 · Rectangular, for air handling units
RSK-250 Back draft damper
#5603 · galvanized steel, for air handling units