5.0 METRIC IEC STANDARD MOTORS

1 American METRIC Corporation 65 INDUSTRIAL IEC STANDARD MOTORST hree-Phase Aluminum FrameSingle Phase MotorsBrake MotorsSlip Ring MotorsSquirrel Cage with Air/Air ExchangerFlame Proof MotorsIncreased Safety MotorsDrip Proof MotorsAmetric Page 1 MOTORS IEC Techinical 09/26/16G = B5 Flange unless otherwise American METRIC CorporationINDUSTRIAL RANGEThe present catalog deals with TEFC, three-phase, squirrelcage induction MOTORS (Series BF) with shaft heights from 71up to 400 mm, in the following up to 500 kW - 3000 up to 500 kW - 1500 up to 400 kW - 1000 up to 315 kW - 750 rpmFor either higher output and larger size MOTORS and/or otherspeeds or voltages, please contact our Special DIMENSIONAL STANDARDSThe main dimensions of our BF series TEFC MOTORS areaccording to IEC 72-1 (1991) that refers:- the dimensions of foot-mounted MOTORS ,- the dimensions of mounting flanges,- the shaft extension dimensions,- the preferred output values.

2 INTERCHANGEABILITY STANDARDSBF series TEFC MOTORS are in accordance with CENELEC harmonization document HD 231 and also with most nationalinterchangeability standards. QUALITY STANDARDSThe rating and performance of BF series TEFC MOTORS meetthe standards laid down in IEC 34-1 (1983). Their perfor-mances are also in accordance with most national standardsspecifically VDE 0530, NBN C 51-101, NF C 51-111. Ifrequired, the performances of BF MOTORS may be changed andthereby adapted to special requirements or other CHARACTERISTICSThe characteristics listed below are the STANDARD ones. Ifrequested, others may be available. MECHANICAL PROTECTIONThe STANDARD degree of mechanical protection for MOTORS ,series BF4, is IP 54 and for MOTORS , series BF5 and BF6, isIP 55 according to IEC 34-5 (1991).

3 VOLTAGE AND FREQUENCYMOTORS WITH FRAME SIZE UP TO 160 These MOTORS are wound to work at either 50 Hz or 60 Hz, in thefollowing voltage ranges:For any voltage value in these ranges, a variation of -5% to+6% is allowed according to the majority of the electrical characteristics detailed in this catalog apply tothe STANDARD voltages/frequencies shown above. Strictlyspeaking, these values will vary slightly with actual voltageand frequency, but the variations will generally remain withinthe tolerances given in IEC 34-1 (1983). MOTORS WITH FRAME SIZES 180 AND ABOVET hese MOTORS are wound for operation only at one of theabove-mentioned voltages and frequencies. INSULATIONAll the models referred to in this catalog are class F insulated.

4 TEMPERATURE RISEA lthough the maximum temperature rise allowed for class Finsulation will be 105 K, in general, the temperature rise of BFmotors is below 80 K measured by resistance variationaccording to IEC 34-1 (1983). NOISE LEVELBF series TEFC MOTORS meet IEC 34-9 (1990) concerningnoise limits. DYNAMIC BALANCINGBF series TEFC MOTORS are dynamically balanced with a halfkey according to IEC 34-14 (1982). CASINGIn sizes up to 160 the stator frame, the IM 1001 drive-endendshield, the non-drive and endshield, and the terminal boxare high-pressure die-cast in aluminum alloy. However, theendshields have integral cast iron liners forming the bearinghousings. Flange endshields are in cast iron. In sizes 180 upto 225, the stator frame and the terminal box are low pressuredie-cast also in aluminum alloy, the endshields being in castiron.

5 In sizes 250 and above, all of these parts are in cast ENCLOSED FAN-COOLEDTHREE-PHASE, SQUIRREL-CAGE MOTORSLOW VOLTAGE}For outputs up to3 kWFor the remaining 220-240/250-280 V 50/60 HzY 380-415/440-480 V 50/60 380-415/440-480 V 50/60 HzAmetric Page 2 MOTORS IEC Techinical 09/26/16G = B5 Flange unless otherwise METRIC Corporation 67 INDUSTRIAL MOTORS EARTH CONNECTIONAll MOTORS are equipped with an earth screw or an earth barinside the terminal box. Earth bars are used on size 250 andabove. All MOTORS size 112 and above have a second earthscrew or earth bar on one foot or on the flange as the case maybe. BEARINGS AND LUBRICATIONThe MOTORS of series BF5 are equipped on both sides withdeep groove ball bearings greased for life and pre-loaded byan axial spring washer.

6 The MOTORS of series BF4 are equip-ped with a roller bearing on one side and a deep groove ballbearing on the other side. Grease nipples and grease valvesare provided on both sides. The MOTORS of series BF6 areequipped on both sides with deep groove ball bearings andpre-loaded by an axial spring washer. Grease nipples andgrease valves are provided on both STANDARD drive end bearing will be replaced by a rollerone when belt transmission is used or by an angular contactbearing when the mounting form is vertical. The bearingtypes for the MOTORS referred to in this catalog are as follows: In IP55 MOTORS the following V-Ring joints are used: FAN AND FAN COVERUp to shaft height 160, the MOTORS are equipped with a poly-propylene fan, radially protected by a cover in aluminum alloythat is an integral part of the endshield, and axially protectedby a polypropylene of shaft height 180 and above are equipped with fansthat can be made from polypropylene, aluminum alloy orwelded construction.

7 The fan covers are in stamped steel orwelded constructed. SQUIRREL CAGEThe squirrel cages are in die-cast aluminum, the casting beingby high-pressure or by centrifugation. However, the cages ofthe MOTORS BF6 400, or 1000 and 750 rpm, are formed bycopper bars brazed to copper end-rings using mediumfrequency technology. TERMINAL BOXOn MOTORS up to size 225 the terminal box is an integral partof the frame. MOTORS , sizes 250 and above, have a conven-tional terminal box that can rotate 180 . As STANDARD in thisrange the terminal box entries are on the right side of themotor viewed from shaft end. By rotating the terminal box,these entries can be transferred to the left side. Below are thestandard terminal arrangements and terminal box 71BF5 80BF5 90BF5 100BF5 112BF5 132BF5 160BF5 180BF5 200BF5 225BF4 250BF4 280BF4 280BF4 315BF4 315BF6 315BF6 315BF6 355BF6 355BF6 400BF6 400 AllAllAllAllAllAllAllAllAllAllAll3000 Other3000 Other3000 Other3000 Other3000 Other6202 2Z C36204 2Z C36205 2Z C36206 2Z C36206 2Z C36208 2Z C36209 2Z C36210 2Z C36212 2Z C36213 2Z C3NU 3146314 C3NU 3166314 C3NU 3176219 C36220 C36219 C36222 C36219 C36224 C36202 2Z C36202 2Z C36204 2Z C36205 2Z C36205 2Z C36208 2Z C36209 2Z C36210 2Z C36212 2Z C36212 2Z C36314 C3NU 3146314 C3NU 3166314 C36219 C36219 C36219 C36219 C36219 C36219 C3 MotorTypeSpeed(rpm)

8 Drive EndNon-Drive EndBearing ReferenceBF5 71BF5 80BF5 90BF5 100BF5 112BF5 132BF5 160BF5 180BF5 200BF5 225BF6 315BF6 315BF6 355BF6 355BF6 400BF6 400 AllAllAllAllAllAllAllAllAllAll3000 Other3000 Other3000 OtherV-14 AV-18 AV-25 AV-30 AV-30 AV-40 AV-45 AV-50 AV-60 AV-65 AV-95 AV-100 AV-95 AV-110 AV-95 AV-120 AMotorTypeSpeed(rpm)Drive EndNon-Drive EndV-Ring ReferenceV-14 AV-14 AV-18 AV-25 AV-25 AV-40 AV-45 AV-50 AV-60 AV-60 AV-95 AV-95 AV-95 AV-95 AV-95 AV-95 AQuantities and SizesTerminalsTerminal Box EntriesMotor TypesBF5 71 up to BF5 90BF5 100 and BF5 112BF5 132BF5 160BF5 180BF5 200 and BF5 225BF4 250 and BF4 280BF4 315BF6 315 up to BF6 4006 x M46 x M46 x M66 x M66 x M86 x M86 x M106 x M106 x M122 x (1)4 x (2)4 x (2)4 x 37(2)4 x 37(2)4 x 47(2)2 x Pg 42 (3)2 x Pg 48 (3)2 x Pg 48 (3)(1) One entry on each side(2) Two entries on each side(3)

9 Two entries on the right side that can be transferred to the left sideAmetric Page 3 MOTORS IEC Techinical 09/26/16G = B5 Flange unless otherwise American METRIC CorporationINDUSTRIAL DATA NOMENCLATURE KEY OUTPUT DERATING CONDITIONSThe outputs presented in the tables concern normal workingconditions according to IEC 34-1 (1983). Environmental andelectrical site conditions (altitude, atmosphere temperature,form and symmetry of voltage, and voltage variation duringthe operation) must be maintained within certain limits inorder to get the nominal output from the motor. If these limitsare not respected, then a reduction of output will occur asstated below:VoltageThese MOTORS can supply this nominal output only if thevoltage variation is less than 5%.

10 If a greater deviationoccurs, then the output must be reduced to avoid dangerousoverheating. The figures below should be observed:Ambient TemperatureThese MOTORS can supply their nominal output if the atmo-sphere temperature is no more than 40 C. If a higher atmo-sphere temperature is expected, then the output must bereduced to avoid dangerous overheating. The figures belowshould be observed:AltitudeThese MOTORS were designed to operate at an altitude notexceeding 1000 m above sea level. If site conditions exceedthis altitude, the following output reduction must be made: DIRECTION OF ROTATIONThe MOTORS up to a shaft height of 355 are equipped with a bi-directional fan so that they can turn in both directions.