70x70x25mm - Professional Cooling Fan Manufacturer

70x70x25mm

General Specifications

Material……Frame:Plastic(Flammability:UL94V-0),Impeller:Plastic(Flammability:UL94V-0)
Expected life……(ball bearing 50000 hours, sleeve bearing 30000 hours) continuous running under the condition of 40℃ , 15~65 % humidity
Motor protection function……Looked rotor burnout protection, Reverse polarity protection
Dielectric strength……50/60Hz,500VAC,for 1minute
Insulation resistance……≥ 10 MΩ ,

(Through applying 500VDC between impeller hub center and lead wire (+) )

Sound pressure level(SPL)……At 1m away from the air inlet
Storage temperature……-30 to +70°C(Non-condensing)
Lead Wire…… +Red -Black Yellow（sensor）Brown (Control)

(For models without PWM control function,there is no speed control wiring.)

Mass……68.50g

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Specification
Characteristics Curves
Dimensions(unit:mm)

Item No.	Operating Voltage	Maximum Air Flow		Maximum Air Pressure		Rotational Speed	Rate Current	Input Power	Noise
Item No.	(V)	(CMM)	(CFM)	(mmAq)	(inchAq)	(RPM)	(A)	(W)	dB(A)
CHA7012BL-C25（d）	12	0.73	25.79	2.77	0.11	2800	0.18	2.16	27.55
CHA7012BM-C25（d）	12	0.96	34.00	4.59	0.18	3600	0.25	3.00	34.54
CHA7012BH-C25（d）	12	1.08	38.25	5.75	0.23	4200	0.35	4.20	40.30
CHA7012BX-C25（d）	12	1.24	43.78	7.43	0.29	4600	0.52	6.24	44.14
CHA7024BL-C25（d）	24	0.73	25.79	2.77	0.11	2800	0.10	2.40	27.55
CHA7024BM-C25（d）	24	0.96	34.00	4.59	0.18	3600	0.15	3.60	34.54
CHA7024BH-C25（d）	24	1.08	38.25	5.75	0.23	4200	0.20	4.80	40.30
CHA7024BX-C25（d）	24	1.24	43.78	7.43	0.29	4600	0.30	7.20	44.14
CHA7012RL-C25（d）	12	0.73	25.79	2.77	0.11	2800	0.18	2.16	27.55
CHA7012RM-C25（d）	12	0.96	34.00	4.59	0.18	3600	0.25	3.00	34.54
CHA7012RH-C25（d）	12	1.08	38.25	5.75	0.23	4200	0.35	4.20	40.30
CHA7012RX-C25（d）	12	1.24	43.78	7.43	0.29	4600	0.52	6.24	44.14
CHA7024RL-C25（d）	24	0.73	25.79	2.77	0.11	2800	0.10	2.40	27.55
CHA7024RM-C25（d）	24	0.96	34.00	4.59	0.18	3600	0.15	3.60	34.54
CHA7024RH-C25（d）	24	1.08	38.25	5.75	0.23	4200	0.20	4.80	40.30
CHA7024RX-C25（d）	24	1.24	43.78	7.43	0.29	4600	0.30	7.20	44.14

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