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Product overview

Product Title
K3G450-RJ74-21 – EC centrifugal module – RadiCal
Product Category
Air Conditioning & Fans
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Description
Products Description

Technical Description

Weight 22.4 kg
Motor size 112
Size 450 mm
Rotor surface Painted black
Electronics housing material Die-cast aluminum
Impeller material PP plastic
Support plate material Sheet steel, galvanized
Support bracket material Steel, painted black
Inlet nozzle material ABS plastic
Number of blades 6
Direction of rotation Clockwise, viewed toward rotor
Degree of protection IP55
Insulation class "F"
Ambient temperature note Occasional start-up between -40°C and -25°C is permissible.|For continuous operation at temperatures below -25°C (e.g. refrigeration applications) we recommend our fan design with special low-temperature bearings.
Moisture (F) / Environmental (H) protection class H1
Max. permitted ambient temp. for motor (transport/storage) +80 °C
Min. permitted ambient temp. for motor (transport/storage) -40 °C
Installation position See product drawing
Condensation drainage holes On rotor side
Mode S1
Motor bearing Ball bearing
Technical features - Output 10 VDC, max. 10 mA - Operation and alarm display - Alarm relay - Integrated PID controller - Power limiter - Motor current limitation - PFC, active - RS-485 MODBUS-RTU - Soft start - Control input 0-10 VDC / PWM - Control interface with SELV potential safely disconnected from supply - Thermal overload protection for electronics/motor - Line undervoltage / phase failure detection
Touch current according to IEC 60990 (measuring circuit Fig. 4, TN system) <= 3,5 mA
Motor protection Thermal overload protector (TOP) internally connected
with cable Variable
Protection class I (with customer connection of protective earth)
Conformity with standards EN 61800-5-1; EN 60335-1 / CE
Approval EAC / CSA C22.2 No. 77 + CAN/CSA-E60730-1 / CCC / UL 1004-7 + 60730-1
 

Data according to ErP directive

Installation category A
Efficiency category static
Closed-loop speed control ja
Specific ratio* 1
*Specific ratio = 1 + psf / 100 000
    Actual Request 2015
Overall efficiency ηe   64,1 50,3
Efficiency grade N   75,8 62
Power input Pe KW 0,76  
Airflow qV m3/h 4110  
Pressure increase total Pa 392  
Speed n min-1 1440  
Data established at point of optimum efficiency
 

Nominal data

Phase   1~
Type of voltage   AC
Nominal voltage in V 230
Nominal voltage range in V 200 .. 277
Frequency in Hz 50/60
Type of data definition   maximum load
Speed in min-1 1440
Power input in W 750
Current draw in A 3,3
Min. ambient temperature in °C -40
Max. ambient temperature in °C 60

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