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Three Phase Induction Motors(0.25 to 60.0 HP). - 36 Pages

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Three Phase Induction Motors(0.25 to 60.0 HP).
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Catalog excerpts

Energy-efficient Cast Iron Three Phase Induction Motors DATA BOOKLET Pumps • Motors

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ABOUT US Lubi Electricals Ltd. is a part of Lubi Group which is one of the fastest growing group of engineering companies manufacturing and marketing pumps, electric motors and providing Industrial Automation Solutions for all kinds of manufacturing industries in India. All products manufactured by the Lubi Group are sold in the “Lubi” brand name. There are a total of 10 state of the art manufacturing facilities spread over a total manufacturing space of 300,000 square meters and employing more than 2000 people and producing more than 4500 different models of products for a wide range of application...

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Manufacturing Process Cast Iron Foundry Aluminum Rotor Die Casting Progressive Stamping of Laminations Automatic Winding Dynamometer Testing CNC Machining Rotor Balancing Finished Product IE 1 / IE 2 /

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS FEATURES AND BENEFITS Page 7 BENEFITS OF ENERGY EFFICIENT MOTORS Page 7 STANDARDS FOR MOTORS Page 8 INTERNATIONAL STANDARDS FOR MOTOR EFFICIENCY Page 9 NOMINAL EFFICIENCY OF MOTORS & EFFICIENCY CLASS COMPARISON Page 10 MATERIAL OF CONSTRUCTION Page 12 MOUNTING ARRANGEMENTS Page 13 DEGREE OF PROTECTION (INGRESS PROTECTION - IP) Page 14 INSULATION CLASS Page 15 EFFECTS OF VARIATION OF VOLTAGE AND FREQUENCY Page 15 INSTALLATION CONDITIONS Page 16 INSTALLATION AT ALTITUDES OF MORE THAN 1000 M ABOVE SEA LEVEL Page 16 NUMBERS OF STARTS/HOUR Page...

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS : AC three-phase squirrel cage induction motor Foot, Flange and Face □ Combined variation : 10% (Absolute sum) : Should be lower than 1000 metres above sea level : Up to 2.2 kW-Star connection with 3 leads & above 2.2 kW-Delta connection with 6 leads □ Direction of rotation : Anticlockwise or clockwise as seen from the Driver end side □ Insulation class : Class 'F' and temperature rise limited to class 'B' □ Cooling method : IC411 / Shaft mounted fan.

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□ Flour mills, rolling mills, mixers □ Textile and plastic machineries □ Printing, packaging and wood working machineries □ Agricultural, food processing machinery □ Material handling equipments □ Cranes, hoists and lifts □ Motors are fitted with dynamically balanced aluminium die cast squirrel cage rotors. □ Motors are fitted with pre-lubricated antifriction ball bearings up to 132 frame. □ Motors are free from moisture and dust particles. □ Minimum electricity consumption because of special grade electrical steel used in an energy efficient optimized design. □ Balanced three-dimensional heat...

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS All motors are complying with following Indian and International standards:

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS LMT INTERNATIONAL STANDARDS FOR MOTOR EFFICIENCY The efficiency factor defines the efficiency of motors when transforming electrical energy into mechanical energy. The International Electrotechnical Commission (IEC), in order to harmonize the energy consumption regulations aimed to reduce the CO2 emissions and the impact of industrial operations on the environment, has established the standard IEC 60034-30:2008 which defines energy efficiency classes for low-voltage, three-phase, 50Hz and 60Hz squirrel cage induction motors. For many years...

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For industrial motors according to IS 325 / IEC 60034-1, certain tolerances must be allowed on guaranteed values, taking into consideration the necessary tolerances for the manufacture of such motors and the materials used. The standard includes the following □ It is not intended that guarantees necessarily have to be given for all or any of the items involved. Quotations including guaranteed values subject to tolerances should say so, and the tolerances should be in accordance □ Attention is drawn to the different interpretation of the term guarantee. In some countries a distinction is made between...

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS Type range induction motor Shaft centre height Frame length S = Mechanical dimensions (short) M = Mechanical dimensions (medium] L = Mechanical dimensions (long) Mounting arrangements Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Mounting code Efficiency class

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS MOUNTING ARRANGEMENTS Mounting arrangements for rotating electrical machines are designated according to the IS 2253 / IEC 60034-7 standard. Our motors are available with the mounting arrangements as per details below, depending on design and frame size. Horizontal shaft mounting Vertical shaft mounting Mounting arrangement Code I Code II Frame size Mounting arrangement Code I Code II Frame size foot down foot, Driver foot left (viewed from foot, Driver foot right (viewed from foot, foot down; with additional foot, foot down with additional foot,...

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As per IS 4691 / IEC 60034-5 standard, the Degree of protection of a rotating electrical machine is designated with the letters IP (Ingress Protection) followed by two characteristic numbers, with the following manner: □ First characteristic numeral: Describes to protection against access to hazardous parts and ingress of solids & foreign bodies. □ Second characteristic numeral: Describes to protection against ingress of water. □ All our motors shown in this catalog are IP 55.

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ENERGY-EFFICIENT CAST IRON THREE PHASE INDUCTION MOTORS INSULATION CLASS Motors are manufactured with class 'F' insulation as a standard and temperature rise limited to class 'B'. This allows for about 25°C reserve thermal capacity in the motor. The reserve thermal capacity is what helps maintain the integrity of the insulation and lengthen motor life. Temperature rise and maximum temperatures at the hottest points of the winding according to the temperature classes of IS 325 / IEC 60034-1. Maximum winding temperature = 105°C Maximum winding temperature = 120°C Maximum winding temperature = 130°C Maximum...

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