Description
70x70x25mm 4000rpm – 6000rpm 12V 24V 48V 7025 PWM compact Brushless DC Cooling fans
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Product Overview
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Norminal Voltage :
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DC5V( 4.0 – 5.5 VDC) ;
DC12V( 6 – 13.8 VDC) ;
DC24V (12 – 27.6VDC);
DC48V(24 – 56VDC) ;
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EC(115V ,230V ),AC 115V 230V
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Dimensions :
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70mmx 70mmx 25mm
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Norminal Diameter Ranges :
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25mm – 254mm ;
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Specifications options :
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AS,RD,FG,PWM,Temperature Control ,IP56,IP68
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Materials :
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Frame : Plastic ( UL94-VO)
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Impeller : Plastic ( UL94-VO)
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Mainly Applications ：
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· Electronic cabinet cooling
· Ventilation cooling system
· AutoMotive
·Server CCTV
· Air Cooling system · Pharmaceutical/biological control systems · Computer room air conditioning (CRAC) systems
-etc
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Speed Control : PWM VSP Temperature control fix speed with pressure intermittent ;
Out Signal : FG RD LD
Insulation Resistance : 10 MΩ/500V DC ;
Dielectric Strength : 2Min/500V AC /5mA
A: The frequency shall be able to accept 25 KHz ;B: At 0% duty cycle , the rotor will spin stop ;
C:At 100% duty cycle , the rotor will spin at Maximum speed ;
D: With control signal lead disconnected ,the fan will spin at Maximum speed .
C:At 100% duty cycle , the rotor will spin at Maximum speed ;
D: With control signal lead disconnected ,the fan will spin at Maximum speed .
LONGWELL is a manufacturer of HVAC fans, blowers , motors and components ,such as centrifugal fans, axial fans, cross flow fans, single/double forward curved fans ,AC/BLDC/ECM motors as well as industrial fan blowers ，established in 1990 ,equipped with high advanced testing and production facilities ，automatic welding machines , CNC machining centers ,injection machines . with over than 28 years manufacturing experiences , LONGWELL is very skilled in designing, developing and manufacturing ,and exporting to over 30 countries including many Fortune Global 500 customers in HVACR application . and products passed CCC，CE ,ETL and UL .
