Oil Immersed Auto Transformer Starter

• Fully automatic auto transformer starters upto 600 HP 550V (275 HP Type Tested from ERDA Vadodara.
• Manual auto transformer starters upto 200 HP 550V
• Any other voltage can be supplied on request.
  

Features Oil Immersed Auto Transformer Starter

• Case and lid are of MS sheet thus suitable for use in places demanding a robust apparatus.
• In case thermal overload rely is required it can be supplied on request.
  
• Adjustable magnetic type overload protection with oil dash-pot type time lag device provides insurance against motor burnout.
  
• Are designed for ordinary duty
  
• Standard trappings' are provided at 50%, 60% and 80% of the line voltage
  
• Correct sequence device rendering it impossible to put the handle into the "Running" position without going through the "Start" position.
  
• Tripping by push button fitted on the unit.
  
• Remote stopping is possible by push button station or any other tripping device—for which the no-volt terminals are brought out.
  
• Provision for fitting an isolator — interlocked with the unit—so that opening of the unit is not possible till the isolator is made "Off".
  
• Padlocking arrangement for isolator.
  
• Cable sealing boxes can be supplied for under-
  
• Ground paper insulated cables hence suitable for PVC cable entry.
  
• Can be mounted on unit type bus bar chambers to form a switchboard.
  
• SM AT 50 units can be wall-mounting as well as floor-mounting types. AX-45 is floor-mounting type only.
  
• The unit has the provision for fitting one instrument directly on itself. For more than one unit, an instrument panel is provided.
  
• Floor stand can be supplied as an optional item.