3 phase Electric Motors

La description

Three phase A.C. induction electric motor
RANGE
Standard 3 Phase Induction motors with rating 0.*2 KW to *5 KW are available from frame sizes *3 to **5 with standard
speeds and various types of construction.
STANDARDS
Performance conforms to IS : **5 and dimensions according to IS : ***1 and IS : ***3
RATINGS
Motors are rated for continuous duty type S1 at an ambient of *0 Deg. C and site altitudes of upto ***0 M above mean
sea level.
VOLTAGE AND FREQUENCY
Motors designed are for a rated voltage of **0V +/**0%, 3 Phase, *0 Hz +/*5% supply. Motors with special designs of
Voltage/Frequency can be offered on request.
PAINT
Standard synthetic enamel paint is provided which is suitable for tropical conditions. However, special paint can be
provided on request.
CONSTRUCTION
Standard motors with single shaft extension are for horizontal foot mounting (B3 as per IS : ***1) and vertical flange
/ face mounting (B5 & B*4 as per IS : ***3). Other types of construction as shown below can be offered on request.
INSULATION SYSTEM
COOLING & VENTILATION
Type of cooling is as per IS ***2. All motors have an external bidirectional centrifugal fan.
TERMINAL BOX
All motors are provided with terminal box on the right hand side as seen from the drive end or on the top of the motor
body. Terminal box can be rotated in steps of *0 deg.
NOISE
BEARING SYSTEM
All motors are equipped with pre lubricated bearings. Regreasing facility can be provided on request.
EARTHING TERMINALS
TYPES OF CONSTRUCTION ( Symbol as per IS: ***3)
B3 B3 / B5 B5 B6 B7 B8 B*4 V1 V3 V5 V6