TEFC low medium voltage
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Squirrel Cage Three Phase Induction Motors B5C - B5H SERIES 355 - 500 SIZES

TEFC ASYNCHRONOUS MOTORS 355, 400, 450, 500 FRAME SIZES MarelliMotori has a tradition dating back to 1891 when Ercole Marelli founded the company. With over 100 years of manufacturing excellence and experience, MarelliMotori is recognised as a leading supplier to Industrial, Petrochemical and Marine Industries offering a complete range of Low and Medium Voltage Motors and Generators. These quality products are backed up by an organisation of skilled people providing sales, service and technical support to the high standards demanded by customers. Our close and continuous relationship with...

GENERAL FEATURES Robust construction designed for heavy, arduous and continuous duty in extreme environments. Standards • IEC 60034 • IEC 60072 Mountings • Vertical or Horizontal • Feet and/or flange mounting Construction • Cast Iron frames and shields • Cast Iron or steel terminal boxes • IP55 • Windings impregnated with VPI system (Vacuum Pressure Impregnation) • Insulation class F • Vibration grade R • Anti-corrosion treatment • Stainless steel nameplate • Simple hearthing • Drainage hole • PTCs in windings with terminals in auxiliary terminal box Supply • Low or Medium Voltage •...

TECHNICAL FEATURES Duty type The tables shown in this catalogue refer to S1 duty type. Please contact MarelliMotori for other duty types. Degree of Protection Motors are normally provided with IP55 enclosure. A higher degree of protection is available on request. Environment Conditions Motors are designed for operation in a maximum ambient temperature environment of 40°C and at a maximum altitude of 1000 meters above sea level. If a motor is to be operated in higher ambient temperatures, it should normally be derated according to the table below. Ambient Temperature [°C] 30 Insulation All...

Lubrification Intervals [hours] 1200 1500 1000 N-end Poles Frame size LA-LE LA-LF LA-LC LA-LB LC-LD LA-LC LA-LC LA-LC LA-LC Above values are valid for horizontal mounted motors. Terminal box 355-500 - Medium Voltage (DIN 42962) Frame size Terminal block Maximum conductor cross section Flot Copper bars Undrilled gloud plate Flot Copper bars Undrilled gloud plate Undrilled gloud plate Cable entrance DERATING FOR INVERTER SUPPLY The B5 series have been designed to satisfy the requirements of speed control by frequency converter. MarelliMotori therefore provides various solutions to obtain the...

TECHNICAL DATA / LOW VOLTAGE (400V - 50Hz) Breakdown Torque Motor Type Rated Output Sound Pressure Level LpA dB(A) Rated Speed Performance at rated outputs Current Efficiency Power Factor D.O.L. Starting Current Torque Weight Approx. Is : Starting Current; Ts: Starting Torque. * : Supply 690V. # : Temperature Rise class F.

TECHNICAL DATA / LOW VOLTAGE (400V - 50Hz) Breakdown Torque Motor Type Rated Output Sound Pressure Level LpA dB(A) Rated Speed Performance at rated outputs Current Efficiency Power Factor D.O.L. Starting Current Torque Weight Approx. Is : Starting Current; Ts: Starting Torque. * : Supply 690V. # : Temperature Rise class F.

TECHNICAL DATA / MEDIUM VOLTAGE (3000V - 50Hz) Breakdown Torque Sound Pressure Level LpA dB(A) Motor Type Rated Output Rated Speed Performance at rated outputs Current Efficiency Power Factor D.O.L. Starting Current Torque Weight Approx. Is : Starting Current; Ts: Starting Torque.

TECHNICAL DATA / MEDIUM VOLTAGE (6000V - 50Hz) Breakdown Torque Sound Pressure Level LpA dB(A) Motor Type Rated Output Rated Speed Performance at rated outputs Current Efficiency Power Factor D.O.L. Starting Current Torque Weight Approx. Is : Starting Current; Ts: Starting Torque.

STANDARD CONFIGURATION AND OPTIONS Degree of Protection Protective Treatments Epoxy-vinyl paint Epoxy-vinyl + polyacrylic paint 1: Option for 2 poles machines Vibration Grade (IEC 60034-14) R Bearings Ball Roller D-end Regreasing system Drainage Hole Space Heaters Supply 220V - 240V Winding Protections PTC (one series of 3 PTC in windings) Inverter Supply Insulated bearings Enhanced insulation for use with filter Enhanced insulation for use without filter Second shaft Extension Double speed Stainless steel Nameplate S: Standard configuration; O: Option; A: Terminals in auxiliary terminal box.

Low Voltage Low and Medium Voltage Medium Voltage Shaft extension FRAME SIZE # : Medium Voltage Only Low Voltage POLES FRAME SIZE Medium Voltage POLES FRAME SIZE

MarelliMotori HEADQUARTERS 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 ITALIAN BRANCHES 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 florence@marellimotori.com SOUTH AFRICA Marelli UK, Ltd Meadow Lane - Loughborough Leicester LE111NB UK Marelli Central Europe GmbH Heilswannenweg 50 31008 Elze Germany...