rohs compliant 31 orion fans information and data is subject to change without prior notification. knight electronics, inc. 10557 metric drive dallas, texas 75243 214-340-0265 od4020 series dc fan - 5, 12, 24v 40x20mm (1.58x 0.79) frame & impeller pbt, ul94v-o plastic available options: sleeve bearing sealed sleeve bearing tachometer alarm thermal control life expectancy (l10) ball - 60,000 hrs (45c) sleeve - 30,000 hrs (45c) operating temperature ball: -20 ~ 80c connection 2x lead wires 26awg motor brushless dc, auto restart, impedance and polarity protected bearing system ball bearing insulation resistance 10m ohm between leadwire and frame (500vdc) dielectric strength 1 second at 500 vac, max leakage - 500 microamp storage temperature -30c ~ +90c model number speed (rpm) airflow (cfm) noise (db) volts dc voltage range (vdc) amps max. static pressure (h2o) od4020-05hb 7800 9 32 5 4~7 0.25 0.30 od4020-05mb 6900 8 28 5 4~7 0.16 0.24 od4020-05lb 6200 7 24 5 4~7 0.14 0.19 od4020-12hb 7800 9 32 12 7 ~ 14 0.10 0.30 od4020-12mb 6900 8 28 12 7 ~ 14 0.08 0.24 od4020-12lb 6200 7 24 12 7 ~ 14 0.07 0.19 od4020-24hb 7800 9 32 24 10 ~ 27 0.07 0.30 od4020-24mb 6900 8 28 24 10 ~ 27 0.06 0.24 od4020-24lb 6200 7 24 24 10 ~ 27 0.05 0.19 to indicate sleeve bearing replace b suffix with s in part number (25,000 hrs life expectancy) to indicate sealed sleeve bearing replace b with ss in part number (45,000 hrs life expectancy) m1 77282 2009_fan_cat sec 2:layout 1 7/28/09 11:11 am page 31
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