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      About Us  
     

    Conformance to Standard

    Standard : All the Motors Conform to Relevant Standard & Specification .

    • IS – 996 : Performance of 1 PH Induction Motors.
    • IS – 325  : Performance of 3 PH Induction Motors.
    • IS – 1231 :  Dimension of 3 PH Induction Motors.
    • IS – 2223  : Dimension of Flange Mounted A.C. Induction Motors.
    • IS - 4691 :  Degree of Protection Provided by Enclosure of Rotating Electrical Machines.
    • IS - 6362 : Designation of methods of cooling for rotating Electrical Machines.
    • IS - 8789 : Value of Performance Characteristics for 3 PH Induction Motors.
    • IS -12065 : Permissible Limit of Noise Levels    for Rotating Electrical Machines.
    • IS -12075 : Mechanical Vibration Of Rotating Electrical Machines, Measurement, Evolution & Limit Of Vibration Severity.
    • IS -7538 : Low Voltage Motors For agriculture Application.
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    Methods Of Starting
    All the Motors upto & Excluding 2.2 KW is Connected star internally & Three Treminals are Provided out in the Terminal Box. For D.O.L. Starting Motors 2.2 KW & above are Designed for Continuos Operation in Delta Connection & Six Terminals are provided Out in the Terminal Box for Star - Delta Starting.

    SPECIFICATION

    • Range  :  0.25 to 25 HP
    • Frame Size :  63 to 160 L ( 2 / 4 / 6 / 8 / 10 / 12  Pole ), B3 / B35, B5/ B14, B34
    • SYN. RPM : 500, 600, 750, 1000, 1500, 3000
    • Duty :  S1, S2 , S3 & S4
    • Insulation :  F , H ( Optional )
    • Protection : IP 44 , IP 54 , IP 55, IP 56
    • Supply Cond : 415 V +/- 6 %, 50 HZ +/- 3%
    • Ambient Temp : 45 Degree C
    • Mounting  : Foot , Flange & Face
     
     
     
     
     

    CONTACT US MOBILE
    NATIONAL MOTOR MFG.CO.
    2, Clipwala Comp., Opp.Nucleus Chambers, Near L And T, Saki-Vihar Road, Powai
    Andheri (E), Mumbai-400072 (Maha)
    Phone No. -
    Contact - Ashok Amin
    Mobile -  Send Massage
    Contact via E-mail: Website : www.goldenpages.in/nationalmotor  

     
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