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1 Common Common Vibration Test:... Conforms to JIS C , Amplitude: 1.5mm, Frequency 10 to 55 Hz, 1 hour in each of the X, Y and Z directions. Shock Test:...Conforms to JIS C , Acceleration rate: 981 m/s2*, Application time: 6ms once each in the X, Y and Z directions. Note: For the BM4515, BM5115, BM5125 and BM6015 series, the conditions of the shock test are as follows: Acceleration rate 500 m/s2, Application time: 11ms once each in the X, Y and Z directions. Locked Rotor Protection :..The motor is protected from burnout in the locked rotor condition for 72 hours, at the rated voltage. Polarity Protection :... The fans are Reverse Polarity protected at the rated voltage. Insulation Class :...E class (UL: Class A) Auto Restart:...Most fan models provide current shut-down/auto restart function under locked rotor conditions. Notes: Additional performance requirements can be determined between manufacturer and customer, based on customer s request. Ball bearing fans and blowers may be installed in a horizontal, vertical or angled position BM Part Numbering System BM W B 3 0 L Series BM Series 2. Size 45: 45mm 51: 51mm 60: 60mm 3. Thickness 15: 15mm 25: 25mm 4. Input Voltage O: Standard Current C: Special Current D~Z: Special Current (A.B.O. are not used) 1: 5V 2: 6V 3: 9V 5: 24V 6: 36V 7: 48V 4: 12V 9: Other 5. Termination Lead Wire 6. Bearing B: Ball Beaing S: Sleeve Bearing 7. Speed 1<2<3<4<5 low high 8. Special Control Function 0: Standard Type 9: Sensor Type 8: 2-Speed Type 7: Temperature Detecting Variable Speed Type/PWM Control Type 6: Temperature Detecting Variable Speed Type/Sensor Type 5: 2-Speed Type/Sensor Type 9. Classification L Standard Model/Rib Type T Value Model/Rib Type 10. Individual Standard Type 00: Standard 01~99: Custom Sensor Type 00: Locked Rotor Alarm Signal (Standard Type) 01~49: Locked Rotor Alarm Signal (Custom Type) 50: Tachometer Signal (Standard Type) 51~99: Tachometer Signal (Custom Type) BG Part Numbering System BG B Series BG Series 2. Size 07: 75mm 08: 80mm 09: 95mm 10: 100mm 12: 120mm 3. Thickness 01: 18mm 02: 25mm 03: 30~33mm 4. Bearing B: Ball Bearing S: Sleeve Bearing 5. Input Voltage O: Standard Current C: Special Current D~Z: Special Current (A.B.O. are not used) 1: 5V 2: 6V 3: 9V 4: 12V 5: 24V 6: 36V 7: 48V 9: Other 6. Speed 1<2<3<4<5 low high 7. Special Control Function A B C A: Special Control Function O: Fix Speed Type 2 : 2-Speed Type V: Temperature Detecting Variable Speed Type P: PWM Control Type B: Thermistor Mounting Position O: No Thermistor T : Thermistor On PCB C: Output Signal O: No Signal L : Locked Rotor Alarm Signal S: Tachometer Signal 8. Number 00 : Standard 01~ : Customized Standard T0 : Standard Value T1~ : Customized Value 2.1

2 FLOW General -10 C ~ +60 C (Operating) (non-condensing environment) 25 C 50,000 Hours (L00) Lead Wire : UL1061, AWG26, +Red, -Black BM5020 (Ø 53 X 20 L ) In H2O (Pa) B20 P-Q Curve Speed Curve B30 B40 B20 B30 B Speed (m 3 /min) CFM 1.97 (50) ( ) (20) (18) (20) ( ) ( ) ( ) THROUGH HOLE (29).74 ( ) ( 27.5) (24.9).91 (23).78 (20) 1.69 ( ) 2.08 (53).039 ( ).039 ( ).098 (2.5).394 ( ).23 (6) NO SOLDR 7.88 min BM W-B30- L ~ BM W-B20- L ~ BM W-B30- L ~ BM W-B40- L ~ BM W-B40- L ~ Rotation: Counterclockwise *1: Average Values in Free Air

3 General -10 C ~ +70 C (Operating) 25 C 70,000 Hours (00) Lead Wire : UL1007, AWG26, +Red, -Black (non-condensing environment) BG0703 (Ø 75 X 30 L ) In H2O (Pa) B043/B053 B042/B052 B041/B051 0 (m 3 /min) CFM B044/B (37.9) ROTATION 2.98 (75.7).95 (24.1) 1.37 ( ) 1.18 (30 0.5).96 (24.5).078 (2 0.3).177 PASS THROUGH 2 ( ) LOT 1.57 ( ) 1.21 ( ) 1.43 ( ) 2.98 (75.7) NAME PLATE.85 ( ) 7.87 (200) min BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ BG0703-B X ~ Rotation: Counterclockwise *1: Average Values in Free Air 2.3

4 General -10 C ~ +60 C (Operating) (non-condensing environment) 25 C 100,000 Hours (00) Lead Wire : UL1007, AWG26, +Red, -Black BG0903 (Ø 95 X 33 L ) (Pa) B040 B047 B044/B054 B043/B053 B042/B (m 3 /min) ROTATION THROUGH HOLE ( 4.5 ± 0.3 ) 1.3 (33 ± 0.5) 3.82 (97.0) (27.0) (39.0 ± 0.3) (50.0 ± 0.3) LOT DIE-CAV.98 (25.0) 2.28 (58.0 ±0.5) ± 2.09 (53.0) 1.54 (39.0 ± 0.3) NAME PLATE 3.68 (93.5) 11.8 (300) min 1.26 (32.0 ± 0.3) 1.26 (32.0 ± 0.3) 2.4 ** ** BG0903-B ~ BG0903-B ~ BG0903-B ~ BG0903-B ~ BG0903-B ~ BG0903-B ~ HIGH SPEED BG0903-B ~ BG0903-B ~ Rotation: Counterclockwise *1: Average Values in Free Air Contact NMB for availability **

5 General -10 C ~ +60 C (Operating) (non-condensing environment) 25 C 100,000 Hours (00) Lead Wire : UL1007, AWG26, +Red, -Black BG1203 (Ø 120 X 32 L ) (Pa) B045/B055 B044/B054 B043/B053 B042/B (m 3 /min) ROTATION 11.8 (300) min 1.26 (32 ± 0.5).08 (2 ± 0.2).30.87(22).59 (15) LOT DIE-CAV 4.72 (120 ± 1) 2.4 (61 ± 0.5) 2.16 (55) 4.13 (105 ± 0.3) 3.62 (92 ± 0.3) NAME PLATE 2.56 (65 ± 0.3) (105 ± 0.3) 4.72 (120 ± 1) (92 ± 0.3) 3.46 (88 ± 0.3) 3.54 (90 ± 0.3) 3.46 (88 ± 0.3) THROUGH HOLE ( 4.3 ± 0.3) BG1203-B ~ BG1203-B ~ BG1203-B ~ BG1203-B ~ BG1203-B ~ BG1203-B ~ BG1203-B ~ BG1203-B ~ Rotation: Counterclockwise *1: Average Values in Free Air 2.5

6 Notes Notes 2.6