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Blauberg Iso 250-4E


Sound-insulated inline centrifugal fans. Maximum air flow up to 1500 m³/h.
EAN codeEAN4058448016165
  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Designation key
  • Accessories
Description
Description
USE SPEED CONTROL

Supply and extract ventilation systems installed in premises with high requirements to the noise level.Compatible with Ø 100 up to 200 mm round air ducts.

Smooth speed control with an external thyristor controller or step speed control with an external auto transformer (both available upon separate order).

DESIGN MODIFICATIONS AND OPTIONS

Aluzinc casing internally filled with thermal and sound-insulating layer of foamed polystyrene.The connection spigots are equipped with rubber seals.The fan is equipped with a power cord for standard size 100–250 or a terminal block for standard size 315.

FR1: smooth speed controller adjustable from 0 to 100 % and power cable with mains plug.G1: speed controller, temperature controller with external temperature sensor (cable length 4 m), power cable with mains plug.GI1: speed controller, temperature controller with integrated temperature sensor and power cable with mains plug.The G1 and GI1 modifications enable automatic speed control depending on indoor temperature. The optimal ventilation solution for premises requiring permanent temperature control as greenhouses, orangeries, etc.W1: power cable with mains plug.

MOTOR

Two- or four-pole asynchronous motor with external rotor and centrifugal impeller with forward curved blades.Equipped with ball bearings for longer service life.Integrated thermal protection with automatic restart.Dynamically balanced impeller.

MOUNTING  

Fixed to wall or ceiling with a fixing bracket supplied as a standard.Flexible air ducts are fixed on the fan spigots with clamps.

Characteristics
Characteristics
Parameter Iso 250-4Е Measurement unit
Voltage 230 V
Frequency 50 Hz
Power 395 W
Current 1.98 A
RPM 1330 min-1
Maximum air capacity 1500 m³/h
Sound pressure level at a distance of 3 m 35.5 dBА
Max. operating temperature -25 +40 °С
EC motor no -
Ingress protection rating IPX4 -
Outdoor mounting no -
Sound-insulated casing yes -
Air duct for round air ducts -
Design centrifugal -
Type Exhaust, Supply -
Weight 10.50 kg
Mounting Inline -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air capacity:
  • Pressure:
Operating point
  • Air capacity: --
  • Pressure: ---
Documents archieve
Documents archieve
Select a document type
  • Catalogues
  • Technical documentation
  • Certificates
Name
Iso - data sheet (pdf 742.49Kb)
Iso - image (png 862.18Kb)
Iso - user's manual (pdf 1.15Mb)
Dimensions
Dimensions

Type Dimensions [mm]
∅D B H L P
Iso 250-2Е 248 330 500 525 48
Designation key
Designation key
Series Spigot
diameter [mm]
Motor
Number of poles
Phase Options
Iso 100; 125; 150;
160; 200
2, 4 E: single-phase
D: three-phase
FR1: smooth speed controller adjustable from 0 to 100 % and power cable with mains plug
G1: speed controller, temperature controller with external temperature sensor, 5 min timer switch and power cable with mains plug
GI1: speed controller, temperature controller with integrated temperature sensor and power cable mains plug
W1: power cable with mains plug
Accessories
Accessories
Silencers
Filter boxes
Electric heaters Water heaters Backdraft air dampers
Air dampers
Speed controllers
Timers/Sensors
                
SD KFBK / KFBT EKH WKH

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