Products .......    
  ELGI Electric and Industries Ltd., Coimbatore
 
  ELGI ELECTRIC AC MOTORS
   
  ELGI ELECTRIC, a part of the Elgi group, offers 'EC Series' of 3 phase energy efficient TEFC Squirrel Cage AC Induction motors. EC series has been designed and engineered in compliance with the latest technical knowledge and manufacturing processes. These AC Motors are manufactured in their most modern factory at Pollachi in Tamilnadu.
   
  STANDARD
  The machines confirm to the following national and international standards
   
 
    IS IEC
  Performance 325 34-1
 

Dimensions

1231

72-1
2223 72-1
 

Protection

4691

34-5

 

Insulation

1271

85

 

Terminal Markings

4728

34-8

 

Mounting

2253

34-7

SALIENT FEATURES

RATED POWER OUTPUT

• Suitable for 415 V + /-1 0%, 50 Hz +/- 5% and combined
  variation of +/- 10%
• Non-hygroscopic class F insulation ^j, Design ambient - 45
  deg C
• Use of cold rolled silicon steel for laminations
• Larger terminal boxes to suit even aluminum cables
• Terminal box rotation in steps of 90 Deg.
• IP 55 enclosure
• Better dynamic response
• Dynamically balanced
• High efficiency & power factor
• Standardization of mounting dimensions for interchangeability
  and ease of maintenance.
• Designed for Indian tropical environment.
   
The rated outputs of EC Series Motors are based on continuous
running duty SI with an ambient temperature not exceeding 45
Deg C an altitude not exceeding 1000 M above mean sea level
and relative humidity up to 100%.
 
APPLICATIONS
 
EC Series motors are suitable for wide applications like:
• Pumps
• Compressors
• Machine Tools
• Textiles
• Fans
• Crushers
• Material Handling
• Cranes
   

MOUNTING ARRANGEMENT

The Standard motors are designed for foot mounting (B3). These are also suitable for B6, B7, B8, V5 & V6 mounting without any change. Motors can also be supplied in flange mounting (B5 & Bl 4).

 
TERMINAL BOX
The spacious terminal box can be located on LHS or RHS looking from the drive end. Terminals of accessories if required such as space heaters and thermistors are accommodated in the main terminal box itself.
METHOD OF COOLING
The motors are cooled by an external metal fan conforming to IC 411 as per IS 6362. Fans of all motors are bi- directional.
OPTIONS
• Flange or foot cum flange • Double shaft extension
       
• Suitable for 220/380/400/440V • Suitable for 60 Hz frequency
       
• Multi speed • Dual voltage
       
• Thermistors and space heaters • Brake motors
       
• V/F application    
       
FINISH
All exposed surfaces are cleaned and sprayed with corrosion inhibiting coating. The motors are epoxy painted as a standard execution. All the exposed surface of motor components are cleaned and suitably treated to withstand corrosions and then painted with epoxy based paint.

 

 
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