MB Series AC Centrifugal Blowers Impeller Diameter 6.3 in. dia. ( 16 mm) SAFETY STD. AC INPUT Specifications c Materials Motor Case: Casing: Impeller: Aluminum Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) F Single-Phase 1 5 2.6 26 275 283 8. 1.97 49 76 MB1665-B Single-Phase 1 6 3.7 36 31 318 9. 2.76 686 8 4 Single-Phase 11 6 3.7 38 32 318 9. 2.76 686 8 Single-Phase 115 6 3.7 4 32 318 9. 2.76 686 8 Single-Phase 2 5 1.3 245 27 272 7.7 1.97 49 75 Single-Phase 2 6 1.8 34 3 297 8.4 2.76 686 76 MB1665-D Single-Phase 22 6 1.8 36 315 37 8.7 2.76 686 77 8. Single-Phase 23 5 1.3 27 275 283 8. 1.97 49 75 Single-Phase 23 6 1.8 37 315 314 8.9 2.76 686 77 Three-Phase 2 5 1.8 28 275 283 8. 1.97 49 76 MB1665-T Three-Phase 2 6 1.8 36 31 318 9. 2.76 686 8 Three-Phase 23 6 1.8 4 32 318 9. 2.76 686 8 Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. A thermal protector is installed. If the fan heats up, the thermal protector goes into operation and the fan stops. Once the fan temperature drops, it will automatically restart. Perform inspection work after turning off the power source. Fans bearing the CE mark should only be used with class1equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. Standards specifications are listed on page D-2. See page D-4 for VDE certified products. Air Flow Characteristics Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side [r/min] 35 3 25 2 15 1 5 [in H2O] 3. 2.5 2. 1.5 1..5 [Pa] 7 6 5 4 3 2 1 5Hz 6Hz 5Hz Static Pressure 6Hz 2. 4. 6. 8. 1. 12. 14. Air Flow [m 3 /min] Noise Level(dB) 9 8 7 6 5 4 3 6Hz 5Hz 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band Center Frequency [Hz] 1 2 3 4 Air Flow [CFM] C-72 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass): 11 lb. (5kg) 4.76 DIA. ( 121) 4.45(113) 8.74(222) (2) 3.94(1).39(1) AIR FLOW 3.27(83) 2.99(76) 8.98(228) 3.66(93) 1.57(4) PROTECTIVE EARTHING TERMINAL M4 8mm PROTECTIVE EARTHING MARK.39 DIA.( 1) UNPAINTED.98 (25) ROTATION 22.5.96(24.5) 8.94(227) 5.2 DIA.( 132) 3.54( 9) 1.18 (3) 3-LEADS 11.81(3) UL Style 3271, AWG2.51(13).28(7) 2.99(76) A 5.2 DIA. ( 132).17DIA ( 4.3) (2).24(6).16(4) C Panel Cut-Out Scale1/4, Unit inch (mm) ( and capacitor cap are provided with the blower.) 3.66(93) B B+.59(15).28(7).39 (1) R.39(1) Intake side Outlet side MB1665-B MB1665-D Dimensions inch (mm) Weight (Mass) A B C oz. (g) CH4CFAUL 2.28 (58) 1.61 (41) 2.28 (58) 6.7 (19) CH8BFAUL 2.28 (58) 1.14 (29) 1.61 (41) 5.3 (15) Wiring Diagrams MB1665-B, D Line Black Red White Accessories (Sold separately) Item Page Mounting PAS5A C-18 MB1665-T U Line V W Black Red White Mounting 2-21 ORIENTAL MOTOR GENERAL CATALOG C-73
MB Series AC Centrifugal Blowers Impeller Diameter 4.72 in. dia. ( 12 mm) SAFETY STD. AC INPUT Specifications MB1255-B c Materials Motor Case: Casing: Impeller: Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) F Single-Phase 1 5 1.3 11 285 155 4.4 1.24 39 67 Single-Phase 1 6 1.6 15 33 18 5.1 1.77 441 71 Single-Phase 11 6 1.6 15 33 18 5.1 1.77 441 71 Aluminum Single-Phase 115 6 1.6 15 33 18 5.1 1.77 441 72 Single-Phase 2 5.6 11 285 155 4.4 1.26 314 67 Single-Phase 2 6.8 145 32 173 4.9 1.81 451 69 MB1255-D Single-Phase 22 6.8 145 33 18 5.1 1.81 451 71 2. Single-Phase 23 5.6 11 29 159 4.5 1.26 314 67 Single-Phase 23 6.8 15 33 184 5.2 1.81 451 71 Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. A thermal protector is installed. If the fan heats up, the thermal protector goes into operation and the fan stops. Once the fan temperature drops, it will automatically restart. Perform inspection work after turning off the power source. Fans bearing the CE mark should only be used with class1equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. For protection, use the optional finger guard. Standards specifications are listed on page D-2. See page D-4 for VDE certified products. 1 Air Flow Characteristics Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side [r/min] 45 4 35 3 25 2 15 1 5 [in H2O] 1.6 1.4 1.2 1..8.6.4.2 [Pa] 45 4 35 3 25 2 15 1 5 5Hz 6Hz 5Hz Static Pressure 6Hz 1. 2. 3. 4. 5. 6. 7. Air Flow [m 3 /min] Noise Level(dB) 8 7 6 5 4 3 2 6Hz 5Hz 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band Center Frequency [Hz] 5 1 15 2 Air Flow [CFM] C-74 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass): 8.8 lb. (4kg) PROTECTIVE EARTHING MARK.39 DIA.( 1) UNPAINTED.98 (25) PROTECTIVE EARTHING TERMINAL M4 8mm 7.5(179).26(6.5) 2.56(65).8(2) 2.28(58).39(1) 6.85(174) 3.54(9) 3.9(78.5) AIR FLOW 3.35(85) 1.18 (3) 4.2 DIA.( 12) 3.78 DIA.( 96) 6.93(176).59 (15) 22.5 3.31 DIA. ( 84) ROTATION.51(13) 3-LEADS 11.81(3) UL Style 3271, AWG2.71 (18) Panel Cut-Out Scale1/4, Unit inch (mm) 2.3(58.5) ( and capacitor cap are provided with the blower.) A 3.9(78.5) 3.78 DIA. ( 96).17DIA. ( 4.3) (2) B.18(4.5) B+.39(1).39 (1).24(6) Outlet side Intake side.16(4) C MB1255-B MB1255-D CH1CFAUL Dimensions inch (mm) Weight (Mass) A B C oz. (g) 1.89 (48).89 (22.5) 1.24 (31.5) 1.4 (4) CH2BFAUL 1.89 (48).75 (19) 1.14 (29) 1.4 (4) Wiring Diagram Black Red White Line Accessories (Sold separately) Item Page Finger Guard FGB12 C-1 Filter FLB12 C-13 Mounting PAS6A C-18 Duct Joint FD12 C-19 Filter Duct Joint Mounting A finger guard can be installed in place of the filter. 2-21 ORIENTAL MOTOR GENERAL CATALOG C-75
MB Series AC Centrifugal Blowers Impeller Diameter 3.94 in. dia. ( 1 mm) SAFETY STD. AC INPUT Specifications MB14-B c Materials Motor Case: Casing: Impeller: Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) F Single-Phase 1 5.5 45 275 81.2 2.3.83 26 6 Single-Phase 1 6.55 55 35 91.8 2.6 1.14 284 63 Single-Phase 11 6.55 55 32 91.8 2.6 1.14 284 64 Aluminum Single-Phase 115 6.55 55 32 91.8 2.6 1.14 284 64 Single-Phase 2 5.25 4 275 81.2 2.3.83 26 61 Single-Phase 2 6.3 5 31 91.8 2.6 1.22 34 64 MB14-D Single-Phase 22 6.3 55 32 95.3 2.7 1.22 34 65 1.2 Single-Phase 23 5.3 5 275 84.8 2.4.83 26 61 Single-Phase 23 6.3 55 325 95.3 2.7 1.22 34 65 Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. A thermal protector is installed. If the fan heats up, the thermal protector goes into operation and the fan stops. Once the fan temperature drops, it will automatically restart. Perform inspection work after turning off the power source. Fans bearing the CE mark should only be used with class 1 equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. For protection, use the optional finger guard. Standards specifications are listed on page D-2. See page D-4 for VDE certified products. 3. Air Flow Characteristics Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side [r/min] 4 35 [in H2O] 1.2 [Pa] 28 1. 3 24 25.8 2 2.6 16 15 12.4 1 8.2 5 4.4.8 Static Pressure 1.2 5Hz 6Hz 5Hz 6Hz 1.6 2. 2.4 2.8 Air Flow [m 3 /min] 2 4 6 8 Air Flow [CFM] Noise Level(dB) 8 7 6 5 4 3 2 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band 6Hz 5Hz Center Frequency [Hz] C-76 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass): 4.4 lb. (2kg) PROTECTIVE EARTHING MARK.39 DIA.( 1) UNPAINTED.98 (25) PROTECTIVE EARTHING TERMINAL M4 8mm 1.81 (3) 3.11 DIA.( 79) 5.28(134).18(4.5) 1.97(5).8(2) 1.75(44.5).39(1) 2.72(69) 3.39 DIA ( 86) AIR FLOW 6.14(156) 2.95(75).59 (15) 22.5 5.83(148) 2.91(74) 2.91 DIA. ( 74) ROTATION.39(1) 3-LEADS 11.81(3) UL Style 3266, AWG2.47 (12) Panel Cut-Out Scale1/4, Unit inch (mm) 1.75(44.5) ( and capacitor cap are provided with the blower.) A 2.72(69) 3.39 DIA. ( 86).17DIA. ( 4.3) (2) B.18(4.5) B+.39(1).39 (1).24(6) Outlet side Intake side.16(4) C MB14-B MB14-D Dimensions inch (mm) Weight (Mass) A B C oz. (g) CH3BFAUL 2.28 (58).83 (21) 1.22 (31) 1.8 (5) CH12BFAUL 1.46 (37).71 (18) 1.6 (27) 1.1 (3) Wiring Diagram Black Red White Line Accessories (Sold separately) Item Page Finger Guard FGB1 C-1 Filter FLB1 C-13 Mounting PAS4B C-18 Duct Joint FD1 C-19 Filter Duct Joint Mounting A finger guard can be installed in place of the filter. 2-21 ORIENTAL MOTOR GENERAL CATALOG C-77
MB Series AC Centrifugal Blowers Impeller Diameter 3.15 in. dia. ( 8 mm) SAFETY STD. AC INPUT Specifications MB84-B c Materials Motor Case: Casing: Impeller: Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) F Single-Phase 1 5.29 28 28 56.5 1.6.61 152 55 Single-Phase 1 6.37 32 315 63.6 1.8.89 221 58 Single-Phase 11 6.37 35 33 63.6 1.8.91 226 59 Aluminum Single-Phase 115 6.37 36 335 63.6 1.8.91 226 59 Single-Phase 2 5.14 28 28 56.5 1.6.61 152 55 Single-Phase 2 6.18 32 32 63.6 1.8.89 221 58 MB84-D Single-Phase 22 6.18 35 335 63.6 1.8.91 226 59 2.5 Single-Phase 23 5.15 35 285 56.5 1.6.63 157 55 Single-Phase 23 6.18 36 335 63.6 1.8.91 226 59 Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. A thermal protector is installed. If the fan heats up, the thermal protector goes into operation and the fan stops. Once the fan temperature drops, it will automatically restart. Perform inspection work after turning off the power source. The MB84 is protected with impedance protection that prevents the temperature from rising to the temperature at which the thermal protector is triggered even if the fan is locked due to the usage voltage or ambient temperature. Fans bearing the CE mark should only be used with class 1 equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. For protection, use the optional finger guard. Standards specifications are listed on page D-2. See page D-4 for VDE certified products. 1.5 Air Flow - Characteristics [r/min] 4 35 3 25 2 15 1 5 [inh2o] 1.2 1..8.6.4.2 [Pa] 28 24 2 16 12 8 4.4.8 5Hz 1.2 5Hz 6Hz Static Pressure 6Hz 1.6 2. 2.4 2.8 Air Flow [m 3 /min] 2 4 6 8 Air Flow [CFM] Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side Noise Level(dB) 6 5 4 3 2 1 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band 6Hz 5Hz Center Frequency [Hz] C-78 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass): 2.9 lb. (1.3kg) PROTECTIVE EARTHING MARK.39DIA. UNPAINTED.98 (25) PROTECTIVE EARTHING TERMINAL M4 8mm 4.49(114) 1.97(5) 1.73(44).8(2).39(1) 2.36(6) 4.8(122) 1.81 (3) 3.15DIA.( 8) 2.13 (54) 2.99DIA.( 76) AIR FLOW 5.4(128).55(14) 2.36(6) 22.5 2.52DIA. ( 64) ROTATION.22.51(13) (5.5) 3-LEADS 11.81(3) UL Style 3266, AWG2.39(1) Panel Cut-Out Scale1/4, Unit inch (mm) 1.73(44) ( and capacitor cap are provided with the blower.) A 2.13(54) 2.99 DIA. ( 76).17DIA. ( 4.3) (2) B.18(4.5) B+.39(1).39 (1).24(6) Outlet side Intake side.16(4) C MB84-B MB84-D CH15FAUL Dimensions inch (mm) Weight (Mass) A B C oz. (g) 1.22 (31).57 (14.5).93 (23.5) 1.2 (35) CH25FAUL 1.22 (31).67 (17) 1.6 (27) 1.4 (4) Wiring Diagram Black Red White Line Accessories (Sold separately) Item Page Finger Guard FGB8 C-1 Filter FLB8 C-13 Mounting PAS4B C-18 Duct Joint FD8 C-19 Filter Duct Joint Mounting A finger guard can be installed in place of the filter. 2-21 ORIENTAL MOTOR GENERAL CATALOG C-79
MB Series AC Centrifugal Blowers Impeller Diameter 2.36 in. dia. ( 6 mm) SAFETY STD. AC INPUT Specifications c Materials Motor Case: Casing: Impeller: Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) Single-Phase 1 5.11 8. 23 15.5.44.21 53 37 MB63-B Single-Phase 1 6.11 8. 19 12.7.36.3 76 33 Single-Phase 11 6.12 9.5 23 15.9.45.31 77 38 Single-Phase 115 6.12 1. 25 17.3.49.31 79 4 Single-Phase 2 5.8 12. 25 17.3.49.224 56 38 Single-Phase 2 6.8 11. 26 17.7.5.334 83 39 MB63-D Single-Phase 22 6.8 13. 29 19.4.55.334 83 42 Single-Phase 23 5.9 16. 26 17.7.5.224 56 39 Single-Phase 23 6.8 14. 29 19.4.55.334 83 43 Aluminum Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. These products are impedance protected. Fans bearing the CE mark should only be used with class1equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. Standards specifications are listed on page D-2. Air Flow - Characteristics Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side [r/min] 4 8.3 35 7 3 25 2 15 1 5 [in H2O].25.2.15.1.5 [Pa] 6 5 4 3 2 1 5Hz 5Hz 6Hz Static Pressure 6Hz Noise Level(dB) 6 5 4 3 2 1 6Hz 5Hz 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band Center Frequency [Hz].1.2.3.4.5.6.7 Air Flow [m 3 /min] 5 1 15 2 Air Flow [CFM] C-8 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass): 1.1 lb. (.5kg) PROTECTIVE EARTHING MARK.39DIA.( 1) UNPAINTED.59 PROTECTIVE (15) EARTHING TERMINAL M4 8mm (2) 2.36DIA. ( 6) 1.42(36) 2.95(75) 1.57(4) 1.38 (35).4(1).24(6) 1.89DIA. ( 48).35(9).4(1) AIR FLOW 2.64DIA. ( 67) 3.54(9).39(1) 1.57(4) 3.54(9) 1.81(46).31(8) 22.5 3-M3P.5 1.65DIA. ( 42).28DIA. ( 7) ROTATION 2-LEADS 11.81(3) UL Style 3266, AWG2 Panel Cut-Out Scale1/4, Unit inch (mm) 1.38 (35) 1.42 (36).14 DIA. 3 HOLES ( 3.5) 1.89 DIA. ( 48) 12 2.64 DIA. ( 67) Outlet side Intake side Wiring Diagram Line Accessories (Sold separately) Item Page Mounting PAS2B C-18 Mounting 2-21 ORIENTAL MOTOR GENERAL CATALOG C-81
MB Series AC Centrifugal Blowers Impeller Diameter 1.97 in. dia. ( 5 mm) SAFETY STD. AC INPUT Specifications c Materials Motor Case: Casing: Impeller: Voltage Frequency Current Input Power Max. Air Flow Max. Noise level V Hz A W r/min CFM m 3 /min in H2O Pa db(a) Single-Phase 1 5.11 8 26 7.4.21.149 37 33 MB52-B Single-Phase 1 6.1 7 3 8.5.24.212 53 37 Single-Phase 11 6.11 8.5 32 8.8.25.22 55 38 Single-Phase 115 6.11 9 32 8.8.25.22 55 38 Single-Phase 2 5.9 11 265 7.8.22.153 38 33 Single-Phase 2 6.8 1 32 9.5.27.232 58 38 MB52-D Single-Phase 22 6.9 12 33 9.5.27.24 6 38 Single-Phase 23 5.1 16 275 8.1.23.161 4 33 Single-Phase 23 6.9 13 33 9.5.27.24 6 38 Aluminum Values for maximum air flow and maximum static pressure are measured by the double-chamber method. Noise level is measured in the A range, at a distance of 3.3 feet from the fan intake side. These products are impedance protected. Fans bearing the CE mark should only be used with class1equipment. When installing into the equipment, either ground the fan or ensure that there is no contact with bare hands. Standards specifications are listed on page D-2. Air Flow - Characteristics Audible Noise Frequency Analysis Measure at a distance of 3.3 feet from the fan intake side [r/min] 4 8.3 35 7 3 25 2 15 1 5 [in H2O].25.2.15.1.5 [Pa] 6 5 4 3 2 1 5Hz 5Hz 6Hz Static Pressure 6Hz Noise Level(dB) 6 5 4 3 2 1 6Hz 5Hz 31.5 63 125 25 5 1K 2K 4K 8K 16K 1/3 Octave Band Center Frequency [Hz].4.8.12.16.2.24.28 Air Flow [m 3 /min] 2. 4. 6. 8. Air Flow [CFM] C-82 2-21 ORIENTAL MOTOR GENERAL CATALOG
Dimensions Scale1/4, Unit inch (mm) Weight (Mass):.66 lb. (.3kg) PROTECTIVE EARTHING MARK.39DIA. ( 1) UNPAINTED.39(1) PROTECTIVE EARTHING TERMINAL M4 8mm (2) 2.36DIA. ( 6) 2.26(57.5).98 (25) 1.42 (36).2(.5).16(4).81(2.5) 1.57.DIA ( 4).31(8).2(.5) 2.2DIA. ( 56) AIR FLOW 3.7(78) 1.57(4).16(4).31 (8) 1.57(4) 3.7(78) 22.5 3-M3P.5 1.42DIA. ( 36).28DIA. ( 7) ROTATION 2-LEADS 11.81(3) UL Style 3266, AWG2 Panel Cut-Out Scale1/4, Unit inch (mm).81(2.5) 12 1.42(36).14 DIA. 3 HOLES ( 3.5) 1.57 DIA. ( 4) 2.2 DIA. ( 56) Outlet side Intake side Wiring Diagram Line Accessories (Sold separately) Item Page Mounting PAS2B C-18 Mounting 2-21 ORIENTAL MOTOR GENERAL CATALOG C-83