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KSB 200 K2 EC


Centrifugal duct fan in a heat- and sound-insulated casing with air flow up to 740 m³/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
Description
Description
APPLICATION  
  • The KSB K2 EC fans are designed for supply and exhaust ventilation of premises with high requirements to noise level and with limited space for mounting.
  • For example, the unit design includes a possibility of space-restricted installation above suspended ceilings.
  • Compatible with Ø 100-500 mm air ducts.
MOTOR DESIGN
  • The units feature efficient electronically commutated (EC) direct current motors with external rotor and centrifugal impellers with backward curved blades.
  • EC motor is free of friction and wear parts such as a commutator and brushes.
  • These components are replaced by a maintenance-free electronic circuit board.
  • EC motors are characterised with high performance and optimum control across the entire speed range.
  • In addition to that, the efficiency of the electronically commutated motor reaches very impressive levels of up to 90 %.

  • The fan casing is made of aluzinc.
  • For easy installation and operation, the top cover of the fan is secured with a special lock.
  • The casing is heat- and sound-insulated with a 50 mm layer of non-flammable mineral wool.
  • To ensure better noise absorption, the inner surface of the insulation is made of a perforated metal sheet.
  • The round connecting spigots are rubber sealed.

BUILT-IN FUNCTIONS AND CONTROL  
  • The fan is controlled with the external control signal 0-10 V (capacity control is performed depending on temperature, pressure, smoke level etc.).
  • The fan has low energy consumption at any speed.
  • Maximum fan speed does not depend on the available current frequency and is suitable for operation both at 50 and 60 Hz.
  • Several fans can be integrated into a single computer-driven control system.
  • Custom designed software provides high accuracy control of the fans integrated into a network.
  • The computer display shows all the system parameters and the operation mode can be set individually for each fan in the network.
INSTALLATION  
  • Duct fans are intended for mounting to round air ducts.
  • The fans are installed between the air ducts.
  • In case the fan is mounted on flexible joints, attach the fan to a structural unit by means of supports, suspension links or brackets.
  • The fan may be installed in any position in consideration of the air flow direction (as indicated by the arrow on the fan casing).
  • While mounting the fan provide enough access for servicing and repair operations.
Characteristics
Characteristics
Parameter KSB 200 K2 EC
Measurement unit
Frequency 50/60 Hz
Duct diameter 200 mm
Phase 1 ˜
Design centrifugal -
Voltage 200-277 V
Power 111 W
Current 0.88 A
Sound pressure level at 3 m distance 42 dBА
Maximum air capacity 740 m³/h
EC motor yes -
RPM 2400 min-1
Protection rating IP X4 -
Casing material aluzinc -
Mass 20 kg
SEC Class B -
Outdoor mounting no -
Sound-insulated casing yes -
Form-ducts for round air ducts -
Type supply and exhaust -
Mounting Inline -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Brochure "VENTS KSB K2 EC" (pdf 2.19Mb)
Download high quality image "VENTS KSB K2 EC (ErP 2018)" (psd 3.62Mb)
Download image "VENTS KSB K2 EC (ErP 2018)" for your website (png 209.74Kb)
Dimensions
Characteristics
KSB 200 K2 EC
Parameter Value Measurement unit
∅D 198 mm
B 551 mm
B1 374 mm
B2 648 mm
H 328 mm
L1 646 mm
L2 553 mm
Additional characteristics
Additional characteristics
Sound power level [A-filter] Sound pressure level at a distance of 3 m [A-filter] Sound pressure level at a distance of 1 m [A-filter]
Sound power level Gen. Octave frequency band [Hz]
  Hz 63 125 250 500 1000 2000 4000 8000 LpA, 3 m dBA LpA, 1 m dBA
LwA to inlet dBA 70 54 64 68 58 54 47 47 36 49 59
LwA to outlet dBA 80 65 75 77 72 59 51 53 45 60 70
LwA to environment dBA 63 39 46 62 52 46 45 35 34 42 52
Designation key
Designation key
Series Duct diameter Modification Motor Options
VENTS KSB 100, 125, 150, 160, 200, 250, 315, 355, 400, 450, 500 К2: heat- and sound-insulated casing ЕС: synchronous electronically commutated motor R: power cord with the IEC C14 connector
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