Centrifugal Fan

• Material: Plastic
• Usage: for Air Conditioner
• Flow Direction: Centrifugal
• Pressure: High Pressure
• Certification: RoHS, ISO, UL, CE, CCC
• Transport Package: Export Standard Package
• Model NO.: 250mm
• Specification: 175mm, 225mm, 250mm
• Trademark: DBS
• Origin: China
• HS Code: 84145199
• Production Capacity: 550 Units Per Day

Product Description

Product Specification

Product type: EC centrifugal fan
Product no.:  100081
 

Technical feature:
Items	Unit
Size	[mm]	250
Operation mode		S1
Direction of rotation		Clockwise, seen on rotor
Insulation class		B
Cable exit		Variable
Bearing type		Ball bearing (NSK or NMB)
Mass	[kg]	1.5
Material of impeller		PA66
Motor protection		Reverse polarity and locked-rotor protection
Number of blades		11
Material of impeller		Plastic PA66
Type of protection		IP44

 Air flow

Air flow	[M3/h]	1650
Back pressure	[Pa]	0

Motor:

Motor Data:
Items	Unit
Nominal voltage	[VDC]	48
Nominal voltage range	[VDC]	36….57
Speed	[Rpm]	2800
Power input	[W] +/-10%	125
Current	[A] +/-10%	2.6
Min. ambient temperature	[ºC]	-25
Max. ambient temperature	[ºC]	+65
Ambient humidity	%	<= 95
Leakage current	mA	<= 0.25
Noise	db(A)	<= 73
Start method		Soft start
Protection 1		Locked rotor
Protection 2		Current limit
Protection 3		Reverse polarity
Stator housing material		Aluminum
Rotor housing material		Aluminum
Technical features		- Control input 0-10VDC/PWM - Tech output - Motor current limit - Soft start
Max.permissible ambient motor temp.(transp./storage)	[ºC]	80
Min.permissible ambient motor temp.(transp./storage)	[ºC]	-40
Product confirming standard		GB12350-2009
Approve		CCC

 Expected life at rated voltage continuous operation

Life time at 40 ºC	[h]	70,000	Reference only
Life time at 60 ºC	[h]	40,000

Connection screen:
 

Colour	Signal
Red	Un +48VDC Supplier
Yellow	0-10 VDC /PWM Speed control
White	Speed monitoring output, 3 pulses per rotation, Isink max = 10 mA
Blue	GND

Product drawing:
 

1	Connection wire with 0.5 ^2 mm
2	Depth of screw max. 6 mm

Charts: Air flow