DC Fans Model 276 Size: 40 mm x 10 mm (1.57 x 0.4) Part Number Bearings Voltage Voltage Range Current(mA) Input(watts) Noise(dBA) Speed(rpm) Airflow(cfm) Air Pressure (In H20) 276DH-1LP11-000 Ball 12 9.5-13.8 90 1.08 35 6600 5.7 0.19 276DM-5LP11-000 Ball 5 4.5-5.5 80 0.40 28 5500 4.6 0.17 276DM-1LP11-000 Ball 12 9.5-13.8 70 0.84 28 5500 4.6 0.17 276DL-5LP11-000 Ball 5 4.5-5.5 60 0.30 25 4400 3.9 0.08 276DL-1LP11-000 Ball 12 9.5-13.8 50 0.60 25 4400 3.9 0.08 Optional frequency generator or rotation detector versions available. Consult factory. 276DL/DM Performance Curve 276DH Performance Curve ETRI, Inc., 1503 Rocky River Road North Monroe, NC 28110 Tel. 704.289.5423 Fax 704.283.7170 14ETRI Model 276 DC FANS Size: 40 mm x 10 mm (1.57 x 0.4) ELECTRICAL SPECIFICATIONS Item Specification Conditions/Tolerances Motor type DC brushless Input current at nominal voltage 10% Input power at nominal voltage 10% Max air flow / Back pressure All tested in submerged orifice chamber 4% cfm/8% pressure Dielectric strength 5 mA leakage 500 VAC, 60 hz. 1 minute between frame and (+) terminal Electrical connection UL 1007 awg 28 305 mm (12), (+) red (-) black Speed at nominal voltage 4% MECHANICAL SPECIFICATIONS Item Specification Conditions/Tolerances Life expectancy 50,000 hours continuous operation 25C, 65% relative humidity Bearing ball bearing top and bottom Airflow direction air intake over impeller Housing material PBT plastic - 30% glass fiber UL 94V-0 Mounting type rib Impeller PBT plastic - 20% glass fiber UL 94V-0 Weight .020 kg (0.71 oz.) Rotation clockwise viewed from nameplate ENVIRONMENTAL SPECIFICATIONS Item Specification Conditions/Tolerances Operating temperature - 10 to + 70C Storage temperature - 40 to + 75C Drop test one drop ea. 3 faces 30 cm height onto 10 mm thick wooden board Shock test 50 g peak acceleration duration - 11 ms Vibration test x,y,z direction, 1 hour frequency - 10-55-10 Hz, amplitude - 0.75 mm Acoustical anechoic chamber at free air microphone - 1 meter away PROTECTION Item Specification Conditions/Tolerances Locked rotor impedance protected 72 hours rated voltage Polarity protected will withstand pos and neg lead reversal Insulation class UL class A Auto restart automatic restart by timer locked rotor condition Agency approvals UL, CSA, VDE, CE Warranty 3 years ETRI fans are available with a wide range PANEL CUT-OUT ACCESSORIES of accessories, from finger guards to filter assemblies to special termination. Request our accessories brochure or call your nearest distributor for complete details. 1503, Rocky River Road North 9-11, rue de Moulin des Bruyres Monroe, NC 28110 USA 92400 Courbevoie FRANCE Tel: 704.289.5423 Tel: (33-1) 49 04 92 00 Fax: 704.283.7170 Fax: (33-1) 47 89 09 38 Website: