Water Jacket Motors Catalogue
10Pages

Water Jacket Three Phase Squirrel Cage Induction Motors B4J - B5J SERIES 355 - 560 FRAME SIZES

WATER COOLED ASYNCHRONOUS This series of water cooled motors was designed by MarelliMotori for heavy duty applications where space and natural ventilation is limited. The integral water jacket coolers provide an excellent power output for the compact motor size as compared to traditional heat exchanger designs. These motors, originally designed for tight shipboard applications as main propulsion drives and auxiliary bow thrusters, now find themselves in heavy industry for compressors, pumps, rollers and other rotating equipment. MarelliMotori has a tradition dating back to 1891 when Ercole...

GENERAL FEATURES Robust construction designed for heavy, arduous and continuous duty in conned spaces. Standards Fresh water Sound Pressure The motors are designed and built in accordance with marine regester rules specications and comply with: ABS, BV, CCS, DNV, GL, KR, LR, NK, RINA, RS. Low noise level Bearings Mountings Vertical or horizontal Feet and/or ange mountings Construction Steel frame Cast iron or steel terminal boxes and shields Protection degree IP55 Windings impregnated with VPI system (Vacuum Pressure Impregnation) Insulation class F Anti-corrosion and rust frame treatment...

TECHNICAL FEATURES DUTY TYPE The power outputs given in this catalogue refer to S1 duty type. The table below shows the correction factors to calculate the outputs for S2 duty. S2 – 30’ Frame size Motors are normally provided with IP55 enclosure. A higher degree of protection is available on request. Durability and reliability determine the choice of materials. Fabricated steel frames and cast iron shields are designed for reduced weight. ENVIROMENTAL CONDITIONS Terminal boxes for frame sizes up to 400LB are in cast iron and from 400LC to 560 frame size in fabricated steel. Electrical...

SOUND LEVELS The electric tables show the sound pressure levels (Lp(A)) measured at no load conditions at one metre distance from the machine according to standard ISO R 1680 with tolerances of 3dB(A). The values do not depend on the supply frequency. BEARINGS D-end Frame size On request high load congurations are also available: roller or sleeve bearings. DERATING FOR INVERTER SUPPLY The B4J and B5J series have been designed to satisfy the requirements of speed control by frequency converter supply. MarelliMotori therefore provides various solutions to obtain the best performances. To...

TECHNICAL DATA / LOW VOLTAGE 690V Performances at rated outputs Rated output 50 Hz kW Rated speed Power factor Breakdown Sound Moment of pressure inertia torque level Lpa Tmax/Tn J dB(A) p.u. kg m2 Approx. Weight

STANDARD CONFIGURATION AND OPTIONS Frame Size Description 355 Vibration Grade - D-end roller bearing Sleeve bearings Regreasing device Drain holes Second shaft extension Drain Holes Shaft 127 Space heaters with terminals placed in auxiliary box Windings Protections - Insulated bearing Enhanced insulation for use with lter Enhanced insulation for use without lter S: Standard conguration O: Option NA: Not Applicable *: Contact MarelliMotori

Frame size Terminal Block Maximum conductor cross section Cable entrance Flat coppers bars Undrilled gland plate Flat coppers bars Undrilled gland plate Flat coppers bars Undrilled gland plate

Dimensions in mm Frame Size Frame Length

ITALIAN BRANCHES Marelli Motori S.p.A. Via Sabbionara, 1 36071 Arzignano (VI) - Italy (T) +39 0444 479.711 (F) +39 0444 479.888 www.marellimotori.com sales@marellimotori.com Milan Via Cesare Cantù, 29 20092 Cinisello Balsamo (MI) - Italy (T) +39 02 660.131.66 (F) +39 02 660.134.83 milan@marellimotori.com Florence Via Panciatichi, 37/2 50127 Firenze - Italy (T) +39 055 431.838 (F) +39 055 433.351 orence@marellimotori.com GREAT BRITAIN SOUTH AFRICA Marelli UK, Ltd Meadow Lane - Loughborough Leicester LE111NB UK Marelli Central Europe Gmbh Heilswannenweg 50 31008 Elze Germany Marelli USA, Inc...