BESTFLOW MOTOR CO.,LTD

　

DC Brushless Fan: K4020

　

FAN PHOTO:

GENERAL FEATURES

	Impeller	:	PBT UL94V-O Non-Flammability Reinforced Plastic
	Casing	:	PBT UL94V-O Non-Flammability Reinforced Plastic
	Insulation Resistance	:	10MΩ or over with a DC500V Megger
	Dielectric Withstand Voltage	:	AC700V 1s
	Bearing System	:	Ball Bearing
	Lead Wire	:	UL 1007#24AWG, +Red, -Black.
	Operating Temperature	:	-10°C~+80°C
	storage Temperature	:	-40°C~+85°C
	Expected Life	:	Ball Bearing System	:	45ºC 50,000 Hours.
	Expected Life	:	Sleeve Bearing System	:	45ºC 35,000 Hours.
	Above measurements apply	:	20°C±5°C
	reiutive humidity	:	65%±15%.
	Motor	:	Pantented single-coil DC brushless Motor.
	Motor Protection	:	Auto restart. Polarity Protection.

MODEL:K4020

Model	Rated Voltage	Operating Voltage	Current	Watt	Speed	AirFlow	Static Pressure	Noise
Model	(VDC)	(VDC)	(AMP)	(W)	(RPM)	(CFM)	(Pa)	(dBA)
K4020D5B10	5	4 ~6	0.07	0.35	4500	4.90	20	20
K4020D5B20	5	4 ~6	0.12	0.60	5500	5.95	30	22
K4020D5B30	5	4 ~6	0.18	0.90	6500	7.35	42	25
K4020D5B40	5	4 ~6	0.26	1.30	7500	8.40	55	29
K4020D5B50	5	4 ~6	0.38	1.90	8500	9.45	69	33
K4020D1B10	12	10 ~14	0.05	0.60	4500	4.90	20	20
K4020D1B20	12	10 ~14	0.07	0.84	5500	5.95	30	22
K4020D1B30	12	10 ~14	0.09	1.08	6500	7.35	42	25
K4020D1B40	12	10 ~14	0.11	1.32	7500	8.40	55	29
K4020D1B50	12	10 ~14	0.13	1.56	8500	9.45	69	33
K4020D2B10	24	20 ~26	0.04	0.96	4500	4.90	20	20
K4020D2B20	24	20 ~26	0.05	1.20	5500	5.95	39	22
K4020D2B30	24	20 ~26	0.06	1.44	6500	7.35	42	25
K4020D2B40	24	20 ~26	0.07	1.60	7500	8.40	55	29
K4020D2B50	24	20 ~26	0.08	1.92	8500	9.45	69	33
*Rotation: Clockwise as seen from the label.
*Special Design is available on request.

　

MECHANICAL DRAWINGS			CHARACTERISTIC CURVES

　

　☆☆☆☆☆ COPYRIGHT © 2002-2004 BESTFLOW MOTOR CO.,LTD. ALL RIGHTS RESERVED. ☆☆☆☆☆
January.2002Year