NATIONAL MOTOR MFG.CO.

Saki Vihar, Mumbai, Maharashtra

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.

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