Open Drip Proof Motors

Product catalog summary

Overview: This document is a technical data sheet for Marelli Motori's open drip proof three-phase squirrel cage induction marine motors. It includes specifications, performance data, and dimensions for various motor models.

Specifications: The data sheet provides detailed specifications for motors with 4 and 6 poles at 400 V. Key parameters include rated output (kW), rated speed (rpm), torque (Nm), current (A), efficiency (%), power factor, and moment of inertia (kg m²). The motors are designed for both 50 Hz and 60 Hz operations.

Performance Data: The document lists performance metrics such as breakdown torque, starting current, and efficiency at rated output. It also notes that a 10% derating is required for motors fed by a frequency converter.

Dimensions: Dimensions for mounting flange and shaft extension are provided for frame sizes ranging from 315 to 500. Key measurements include frame size, mounting dimensions, and shaft details.

Contact Information: The document includes contact details for Marelli Motori's headquarters in Italy and its overseas companies in Great Britain, Central Europe, USA, Asia Pacific, and South Africa, as well as Italian branches in Milan and Florence.

Notes: Marelli Motori reserves the right to change technical data and dimensions without prior notice to update or improve its products.

Catalog excerpts

Three Phase Open Drip Proof Marino Motors

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Open Drip Proof three phase squirrel cage induction marine motors DATA SHEET MOTORS Note: for motor fed by frequency converter, 10% derating to be applied MARELLI MOTORI S.p.A. reserves the righ to change the techinical data and dimensions in order to update or improve its products, without prior notice.

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TECHNICAL CHARACTERISTICS Low voltage, main supply Vn=400 V Temperature rise class: B CONSTRUCTION MATERIALS • Frame - Steel; • Endshields - Cast Iron; • Terminal box - Cast Iron, Steel Mounting Flange Shaft Extension MARELLI MOTORI S.p.A. reserves the righ to change the techinical data and dimensions in order to update or improve its products, without prior notice.

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ITALIAN BRANCHES Via Sabbionara, 1 36071 Arzignano (VI) - Italy (T) +39 0444 479.711 (F) +39 0444 479.888 www.marellimotori.com [email protected] Via Cesare Cantù, 29 20092 Cinisello Balsamo (MI) - Italy (T) +39 02 660.131.66 (F) +39 02 660.134.83 [email protected] Florence Via Panciatichi, 37/2 50127 Firenze - Italy (T) +39 055 431.838 (F) +39 055 433.351 [email protected] MARELLI MOTORI OVERSEAS COMPANIES: GREAT BRITAIN CENTRAL EUROPE ASIA PACIFIC SOUTH AFRICA Marelli Central Europe Gmbh Marelli Asia Pacific Sdn Bhd Marelli Electrical Machines South Africa (Pty) Ltd Meadow...

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